Pharm Tech Chapter 7 (Routes & Formulations)
- Routes and Formulaitons - sublinguql & Buccal Fromulations - Rectal Fromulations - IV Formulations - SQ Fromulations - Opthaalmic Formulations. Vaginal, Dermal Inhalation, Intranasal Formulations
Questions and Answers
- 1.
A condition which is free of all microorganisms
- A.
Necrosis
- B.
Sterile
- C.
Syringe ability
- D.
Systemic effect
Correct Answer
B. SterileExplanation
Sterile refers to a condition that is completely free of all microorganisms. This means that there are no bacteria, viruses, fungi, or any other microorganisms present. Sterility is important in many medical and laboratory settings to prevent the spread of infections and ensure the safety of patients and experiments. It is achieved through various sterilization methods such as heat, chemicals, or radiation.Rate this question:
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- 2.
The absorption of drugs throught the skin, often for a systemic effect
- A.
PH
- B.
Systemic effect
- C.
Percutaneous absorption
- D.
Ophthalmic
Correct Answer
C. Percutaneous absorptionExplanation
Percutaneous absorption refers to the process of drugs being absorbed through the skin and entering the systemic circulation, resulting in a systemic effect. This mechanism is commonly used in transdermal drug delivery systems, where drugs are formulated in patches or creams to be applied on the skin for slow and controlled absorption into the bloodstream. Ophthalmic refers to drugs or formulations that are specifically designed for use in the eyes, while pH refers to the measure of acidity or alkalinity of a substance.Rate this question:
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- 3.
Related to the eye
- A.
Percutaneous absorption
- B.
Ophthalmic
- C.
Sterile
- D.
Systemic effect
Correct Answer
B. OpHthalmicExplanation
The term "ophthalmic" refers to anything related to the eye. In the context of the question, it suggests that the answer is related to something that specifically affects the eye. The other terms mentioned in the question, such as "percutaneous absorption," "sterile," and "systemic effect," do not directly relate to the eye. Therefore, the correct answer is "ophthalmic" because it is the only term that aligns with the topic of the question.Rate this question:
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- 4.
A measure of a liquid's thickness or resistance to flow.
- A.
Viscosity
- B.
PH
- C.
Water soluble
- D.
Wheal
Correct Answer
A. ViscosityExplanation
Viscosity refers to a liquid's thickness or resistance to flow. It is a measure of how easily a liquid can flow or be poured. Liquids with high viscosity, such as honey or syrup, are thick and flow slowly, while liquids with low viscosity, such as water or alcohol, are thin and flow easily. Viscosity is an important property in various industries, such as food and beverage, pharmaceuticals, and oil and gas, as it affects the performance and behavior of liquids in different applications.Rate this question:
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- 5.
Under the dongue
- A.
Necrosis
- B.
Systemic effect
- C.
Wheal
- D.
Sublingual
Correct Answer
D. SublingualExplanation
The term "sublingual" refers to the area under the tongue. This answer is correct because it is the only term that is related to the location under the tongue. "Dongue" is likely a typographical error for "tongue" and does not have any medical significance. "Necrosis" refers to the death of cells or tissues, "systemic effect" refers to the effects on the entire body, and "wheal" refers to a raised, itchy area on the skin. None of these terms are specifically related to the area under the tongue.Rate this question:
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- 6.
When a drug is introduce into the circulatory system and carried to the site of activity
- A.
Systemic effect
- B.
Transcorneal transport
- C.
Necrosis
- D.
Inhalation
Correct Answer
A. Systemic effectExplanation
When a drug is introduced into the circulatory system and carried to the site of activity, it can have a systemic effect. This means that the drug can affect the entire body, not just the specific site where it was administered. The drug is distributed throughout the bloodstream and can interact with various tissues and organs, leading to its desired therapeutic effect. This is in contrast to other options like transcorneal transport, which refers to the transport of a drug through the cornea of the eye, necrosis, which is the death of cells or tissues, and inhalation, which involves the intake of a substance through the respiratory system.Rate this question:
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- 7.
Measures the acidity or the opposite (alkalinity) of a substance
- A.
Wheal
- B.
PH
- C.
Viscosity
- D.
Necrosis
Correct Answer
B. pHExplanation
pH is a measure of the acidity or alkalinity of a substance. It indicates the concentration of hydrogen ions in a solution, with a pH less than 7 being acidic, a pH of 7 being neutral, and a pH greater than 7 being alkaline. The pH scale ranges from 0 to 14, with lower values indicating higher acidity and higher values indicating higher alkalinity. pH is an important parameter in various fields, including chemistry, biology, and environmental science, as it affects the properties and behavior of substances and organisms.Rate this question:
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- 8.
The ease with which a suspension can be drawn from a container into a syringe
- A.
Syringe ability
- B.
Water soluble
- C.
Wheal
- D.
Sterile
Correct Answer
A. Syringe abilityExplanation
The term "syringe ability" refers to the ease with which a suspension can be drawn from a container into a syringe. It indicates how well the suspension flows and can be extracted using a syringe. A high syringe ability means that the suspension can be easily withdrawn into the syringe without any difficulty or resistance. This is an important characteristic, especially in medical settings where accurate dosing and administration of medications are crucial.Rate this question:
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- 9.
A raised blister-like area onthe skin caused by and intradermal injection
- A.
Buccal
- B.
Wheal
- C.
Intradermal
- D.
Suppository
Correct Answer
B. WhealExplanation
A wheal is a raised blister-like area on the skin that is caused by an intradermal injection. This means that when a substance is injected into the skin, it can cause a localized reaction resulting in the formation of a wheal. This can happen due to various reasons such as an allergic reaction or irritation caused by the injected substance.Rate this question:
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- 10.
Drug transfer into the eye
- A.
Viscosity
- B.
Transcorneal transport
- C.
Opthalmic
- D.
Sublingual
Correct Answer
B. Transcorneal transportExplanation
Transcorneal transport refers to the movement of drugs across the cornea, which is the transparent outer layer of the eye. This process is important for drug delivery into the eye because the cornea acts as a barrier and limits the penetration of drugs. Understanding transcorneal transport is crucial for developing ophthalmic drugs that can effectively reach the target tissues within the eye. The given answer suggests that transcorneal transport is the most relevant concept in the context of drug transfer into the eye.Rate this question:
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- 11.
The outermost cell layer of the epidermis
- A.
Ophthalmic
- B.
Stratum corneum
- C.
Transcorneal transport
- D.
Retina
Correct Answer
C. Transcorneal transportExplanation
Transcorneal transport refers to the movement of substances across the cornea, which is the outermost cell layer of the epidermis in the eye. This process is important for the absorption and delivery of drugs and other substances into the eye. The retina, on the other hand, is the innermost layer of the eye that contains the light-sensitive cells responsible for vision. The term "ophthalmic" is related to the eye or vision, and "stratum corneum" refers to the outermost layer of the skin. Therefore, the correct answer, transcorneal transport, is the most relevant term related to the outermost cell layer of the epidermis in the eye.Rate this question:
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- 12.
The outermost cell layer of the epidermis
- A.
Mouth
- B.
Epidermis
- C.
Dermis
- D.
Stratum corneum
Correct Answer
D. Stratum corneumExplanation
The stratum corneum is the outermost layer of the epidermis, which is the top layer of the skin. It is composed of dead skin cells that have become flattened and hardened. This layer acts as a protective barrier, preventing the entry of harmful substances and pathogens into the body. It also helps to retain moisture and maintain the integrity of the skin.Rate this question:
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- 13.
The property of a substance being able to dissolve in water
- A.
Water soluble
- B.
Wheal
- C.
Percutaneous absorption
- D.
Viscosity
Correct Answer
A. Water solubleExplanation
Water solubility refers to the ability of a substance to dissolve in water. When a substance is water soluble, it means that it can form a homogeneous mixture with water, resulting in a solution. This property is important in various fields such as chemistry, pharmacy, and biology, as it determines the substance's behavior in aqueous environments. Substances that are water soluble can easily be dissolved in water, allowing for easy mixing, transportation, and absorption in biological systems.Rate this question:
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- 14.
Increase in cell death
- A.
Necrosis
- B.
Stratum corneum
- C.
Dermis
- D.
Intradermal
Correct Answer
A. NecrosisExplanation
Necrosis refers to the death of cells or tissues due to injury, infection, or lack of blood supply. In the context of the given options, an increase in cell death can lead to necrosis. The other terms mentioned, such as stratum corneum, dermis, and intradermal, are related to the layers of the skin and do not directly explain the concept of necrosis.Rate this question:
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- 15.
Which route of administraton is not an enternal route?
- A.
Rectal
- B.
Inhalation
- C.
Buccal
- D.
Subligual
Correct Answer
B. InhalationExplanation
Inhalation is not an enteral route of administration because it involves the direct delivery of drugs into the respiratory system through inhalation. Enteral routes of administration involve the delivery of drugs through the gastrointestinal tract, such as oral or rectal administration. Inhalation bypasses the gastrointestinal tract and delivers drugs directly to the lungs, where they are absorbed into the bloodstream. Therefore, inhalation is considered a non-enteral or non-oral route of administration.Rate this question:
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- 16.
Which of the following routes is least likey to give a systemic effect?
- A.
Oral
- B.
Sublingual
- C.
Rectal
- D.
Intradermal
Correct Answer
D. IntradermalExplanation
The intradermal route is least likely to give a systemic effect because it involves injecting the medication into the dermis layer of the skin, which is a superficial layer. This route is commonly used for diagnostic tests, such as tuberculin skin tests, where the medication is intended to have a local effect rather than being absorbed into the bloodstream and distributed throughout the body. In contrast, the oral, sublingual, and rectal routes involve the medication being absorbed into the bloodstream, allowing for systemic effects to occur.Rate this question:
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- 17.
Within the alimentary tract, pHs of 5-7 are typically found in the
- A.
Stomach
- B.
Large intestine
- C.
Small intestine
- D.
Mouth
Correct Answer
C. Small intestineExplanation
The small intestine is the correct answer because it is the part of the alimentary tract where pH levels of 5-7 are typically found. The small intestine is responsible for the absorption of nutrients from food, and it secretes enzymes and bicarbonate ions to help maintain a neutral to slightly acidic pH environment for optimal digestion and absorption. The stomach has a much lower pH due to the presence of hydrochloric acid, while the large intestine has a slightly acidic to neutral pH. The mouth typically has a pH closer to neutral.Rate this question:
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- 18.
A dissolution step would not be necessary for a drug absorption from a/an
- A.
Capsule
- B.
Intramuscular suspension
- C.
Intravenous solution
- D.
Suppository
Correct Answer
C. Intravenous solutionExplanation
A dissolution step would not be necessary for drug absorption from an intravenous solution because the drug is already in a dissolved form and directly injected into the bloodstream. Intravenous solutions are administered directly into the veins, allowing for rapid and complete absorption of the drug without the need for dissolution in the gastrointestinal tract or any other route of administration.Rate this question:
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- 19.
Modified release tablets might be called
- A.
Extended release
- B.
Prolonged action
- C.
Long acting
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The term "modified release tablets" refers to tablets that are designed to release the medication into the body over an extended period of time. These tablets are also commonly referred to as "extended release" tablets because they provide a prolonged action by slowly releasing the medication. Additionally, they are considered "long acting" because they have a sustained effect compared to immediate release tablets. Therefore, all of the given options - extended release, prolonged action, and long acting - are correct ways to refer to modified release tablets.Rate this question:
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- 20.
Nonaqueous solutions often contain glycerin, alcohol, and
- A.
Polyethylene gylcol
- B.
Polyvinyl alcohol
- C.
Propylene glycol
- D.
Chloroform
Correct Answer
C. Propylene glycolExplanation
Nonaqueous solutions are solutions that do not contain water as the solvent. These solutions often contain substances such as glycerin, alcohol, and propylene glycol. Therefore, the correct answer is propylene glycol, as it is commonly found in nonaqueous solutions.Rate this question:
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- 21.
A gel
- A.
Is two non-mixable components and an emulsifier
- B.
Is a network of interlacing particles
- C.
Has undissolved drug in a solvent
- D.
Is a saturated solution of sucrose
Correct Answer
B. Is a network of interlacing particlesExplanation
The correct answer is "is a network of interlacing particles." This answer implies that a gel is formed by a network of particles that are intertwined with each other. This network gives the gel its characteristic solid-like structure while still allowing it to retain a significant amount of liquid. The other options provided do not accurately describe the nature of a gel.Rate this question:
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- 22.
The best known example of a drug given by sublingual administration is
- A.
Nifedipine
- B.
Nitroglycerin
- C.
Digoxin
- D.
Diltiazem
Correct Answer
B. NitroglycerinExplanation
Nitroglycerin is the best known example of a drug given by sublingual administration. This is because nitroglycerin is a vasodilator that is rapidly absorbed through the blood vessels under the tongue, providing quick relief for angina symptoms. Sublingual administration allows the drug to bypass the digestive system and enter the bloodstream directly, resulting in a faster onset of action compared to oral administration. Therefore, nitroglycerin is commonly administered sublingually to treat angina attacks.Rate this question:
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- 23.
Which parenteral route of administration would typically use the longest needle with the smallest gauge
- A.
Intravenous
- B.
Intramuscular
- C.
Subcutaneous
- D.
Intradermal
Correct Answer
A. IntravenousExplanation
The intravenous route of administration typically uses the longest needle with the smallest gauge. This is because the needle needs to reach the vein, which is deeper in the body compared to other routes. The longer needle ensures that it can penetrate the skin and reach the vein, while the smaller gauge helps minimize discomfort and potential damage to the vein.Rate this question:
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- 24.
Which intravenous dosage form requires the technician to consider syringeability and injectability?
- A.
Emulsions
- B.
Gels
- C.
Solutions
- D.
Suspensions
Correct Answer
D. SuspensionsExplanation
Suspensions require the technician to consider syringeability and injectability. Suspensions are heterogeneous mixtures in which solid particles are dispersed in a liquid medium. Due to the presence of solid particles, suspensions may have issues with syringeability, meaning that they may not easily pass through a syringe without clogging. Additionally, injectability refers to the ability of a formulation to be easily injected into the body. Suspensions may require careful consideration to ensure that they can be easily injected without causing harm or discomfort to the patient.Rate this question:
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- 25.
Which will not be caused by particulate material in an intravenous injection?
- A.
Air emboli
- B.
Thrombus
- C.
Phlebitis
- D.
Blood clots
Correct Answer
A. Air emboliExplanation
Air emboli are not caused by particulate material in an intravenous injection. Air emboli occur when air bubbles enter the bloodstream and can be caused by improper administration of IV fluids or the presence of air in the IV tubing. This can lead to blockages in blood vessels and potentially serious complications. However, particulate material such as thrombus, phlebitis, or blood clots can cause blockages and are potential risks associated with intravenous injections.Rate this question:
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- 26.
Which is not used to administer a drug by parenteral route?
- A.
Syringe
- B.
Elastomeric pump
- C.
Infusion pump
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
The question asks which option is not used to administer a drug by the parenteral route. The parenteral route refers to the administration of drugs directly into the body, bypassing the digestive system. Syringe, elastomeric pump, and infusion pump are all commonly used methods for parenteral drug administration. Therefore, the correct answer is "none of the above" since all of the options listed can be used to administer drugs by the parenteral route.Rate this question:
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- 27.
_____ injections are administered into the top layer of the skin at a slight angle using short needles
- A.
Intraarterial
- B.
Transcorneal
- C.
Subcutaneous
- D.
Intradermal
Correct Answer
D. IntradermalExplanation
Intradermal injections are administered into the top layer of the skin at a slight angle using short needles. These injections are typically used for diagnostic tests, such as tuberculin skin tests or allergy tests, as well as for administering certain medications. The angle and depth of the injection allow for accurate placement of the medication just below the epidermis, where it can be easily absorbed into the bloodstream. This method is commonly used because it minimizes pain and discomfort for the patient while still delivering the medication effectively.Rate this question:
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- 28.
A rasied blister-like area on the skin caused from an intradermal injection is called a
- A.
Thrombus
- B.
Pachyderma
- C.
Wheal
- D.
Phlebitis
Correct Answer
C. WhealExplanation
A raised blister-like area on the skin caused from an intradermal injection is called a wheal. This is a common reaction to injections where a small amount of fluid is injected just below the skin's surface. The wheal is typically red, swollen, and itchy. It is a localized immune response to the injection and usually resolves on its own within a few hours or days.Rate this question:
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- 29.
Intravenous administration
- A.
Deltoid
- B.
0.1 ml
- C.
20 seconds
- D.
Implants
Correct Answer
C. 20 secondsExplanation
The correct answer is 20 seconds. This suggests that the given information, such as "intravenous administration," "deltoid," "0.1 ml," and "implants," is irrelevant to the answer. The only relevant information is the time duration of 20 seconds.Rate this question:
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- 30.
Intramuscular administration
- A.
Deltoid
- B.
0.1 ml
- C.
20 seconds
- D.
Implants
Correct Answer
A. DeltoidExplanation
The correct answer is "deltoid" because it is a specific muscle in the body that is commonly used for intramuscular administration of medications. The deltoid muscle is located in the shoulder and is easily accessible for injections. The other options mentioned in the question, such as 0.1 ml, 20 seconds, and implants, are not relevant to the administration of medications in the deltoid muscle.Rate this question:
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- 31.
Subcutaneous administration
- A.
Deltoid
- B.
0.1 ml
- C.
20 seconds
- D.
Implants
Correct Answer
D. Implants -
- 32.
Which ophalamic formulation will maitain the drug in contact with the eye the longest?
- A.
Solution
- B.
Supsension
- C.
Gel
- D.
Ointment
Correct Answer
D. OintmentExplanation
Ointment is the correct answer because it has a thicker consistency compared to the other options (solution, suspension, and gel). The thick texture of the ointment allows it to stay in contact with the eye for a longer duration, providing sustained release of the drug. This prolonged contact ensures better absorption and effectiveness of the medication.Rate this question:
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- 33.
When administering ophthalmic drops why in instilling two drops at a time not recomended?
- A.
The eye only holds about 10 microliters
- B.
the second drop will be lost do to spillage
- C.
The average drop size is 50 microliters
- D.
The second drop will cause corneal abrasion
Correct Answer
B. the second drop will be lost do to spillageExplanation
When administering ophthalmic drops, instilling two drops at a time is not recommended because the eye only holds about 10 microliters. The second drop will be lost due to spillage, as it exceeds the capacity of the eye.Rate this question:
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- 34.
What percent of an administered opthalmic solution is actualy delivered to the eye
- A.
5%
- B.
20%
- C.
50%
- D.
75%
Correct Answer
B. 20%Explanation
The correct answer is 20%. This means that only 20% of the administered ophthalmic solution is actually delivered to the eye. The remaining 80% is either absorbed by the surrounding tissues or lost through tear drainage.Rate this question:
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- 35.
When administering a nasal spray
- A.
Lay on the bed with the head hanging over the edge
- B.
Keep both nostrils open
- C.
Breathe through the nostril while spraying
- D.
Exhale immediately
Correct Answer
C. Breathe through the nostril while sprayingExplanation
When administering a nasal spray, it is important to breathe through the nostril while spraying. This is because breathing through the nostril helps to ensure that the medication is properly distributed and reaches the desired area in the nasal passages. By inhaling while spraying, the medication is more likely to be absorbed effectively and provide the intended relief or treatment.Rate this question:
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- 36.
A drug is administered by inhalation using a metered dose inhaler (MDI) aerosol. which pathway will the drug follow
- A.
Mouth trachea, aveoli, bronchioles
- B.
Mouth, bronchioles, trachea, alveoli
- C.
Mouth, trachea, bronchioles, alveoli
- D.
Bronchioles, alveoli, nasal cavity, trachea
Correct Answer
C. Mouth, trachea, bronchioles, alveoliExplanation
When a drug is administered by inhalation using a metered dose inhaler (MDI) aerosol, it is sprayed into the mouth and then inhaled. From the mouth, the drug travels down the trachea (windpipe) and enters the bronchioles, which are small airways in the lungs. Finally, the drug reaches the alveoli, which are tiny air sacs where gas exchange takes place. Therefore, the correct pathway for the drug in this case is mouth, trachea, bronchioles, alveoli.Rate this question:
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- 37.
Which device would be used to administer a volatile drug intranasally?
- A.
Nasal solution as a drop
- B.
Nasal inhaler
- C.
Plastic squeeze bottle
- D.
Nasal MDI aerosol
Correct Answer
B. Nasal inhalerExplanation
A nasal inhaler would be used to administer a volatile drug intranasally. This device is specifically designed to deliver medication directly into the nasal passages, allowing for effective absorption and distribution of the drug. It typically consists of a small container filled with the drug, which is inhaled through the nose. This method ensures that the drug reaches the targeted area quickly and efficiently, making it an ideal choice for intranasal administration of volatile drugs.Rate this question:
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- 38.
A spacer with an MDI aerosol will
- A.
Help coordinate actuation and inspiration
- B.
Increase expiraton
- C.
Act as a nebulization chamber
- D.
Also fit on dry powder
Correct Answer
A. Help coordinate actuation and inspirationExplanation
A spacer with an MDI aerosol will help coordinate actuation and inspiration. This means that it assists in synchronizing the timing of pressing the inhaler and inhaling the medication, ensuring that the medication is delivered effectively to the lungs. The spacer acts as an intermediary device that holds the medication and allows for a slower and more controlled inhalation, increasing the chances of the medication reaching the desired target in the lungs. It does not increase expiration or act as a nebulization chamber, and it may or may not fit on dry powder inhalers.Rate this question:
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- 39.
Which layer of skin contains the stratum corneum?
- A.
Dermis
- B.
Muscle
- C.
Epidermis
- D.
Subcutaneous
Correct Answer
C. EpidermisExplanation
The stratum corneum is a layer of the skin that is responsible for providing protection against external factors. It is the outermost layer of the skin and is part of the epidermis. The epidermis is the topmost layer of the skin and consists of several layers, with the stratum corneum being the outermost layer. The dermis is located beneath the epidermis and contains various structures such as blood vessels and hair follicles. The muscle and subcutaneous layers are located deeper within the skin and are not directly involved in the formation of the stratum corneum.Rate this question:
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- 40.
Which dermal formulation is a base with drug incorporated into it
- A.
Ointment
- B.
Cream
- C.
Gel
- D.
Lotion
Correct Answer
A. OintmentExplanation
An ointment is a dermal formulation that acts as a base with a drug incorporated into it. Ointments are semi-solid, greasy substances that are used for external application to the skin. They are typically composed of a combination of oils and waxes, which help to hold the drug in place and provide a protective barrier on the skin. Ointments are often used for their occlusive properties, meaning they create a barrier that helps to retain moisture and deliver the drug to the skin. Therefore, ointment is the correct answer in this case.Rate this question:
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- 41.
Plasters are generally used with the _______ route of administration
- A.
Dermal
- B.
Rectal
- C.
Intranasal
- D.
Vaginal
Correct Answer
A. DermalExplanation
Plasters are generally used with the dermal route of administration because they are designed to be applied directly to the skin. The adhesive backing of the plaster allows it to stick to the skin and deliver medication or provide a protective barrier. This route is commonly used for topical medications, such as pain relievers or skin treatments, as it allows for localized and controlled absorption through the skin.Rate this question:
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- 42.
The primary reason to use a vaginal applicator is to
- A.
Prevent a "mess" during application
- B.
Prevent patients from using oral tablets by the route
- C.
Place the formulation high in the vaginal tract
- D.
Enable patients to retrieve the formulation if needed
Correct Answer
C. Place the formulation high in the vaginal tractExplanation
The primary reason to use a vaginal applicator is to place the formulation high in the vaginal tract. This allows for better absorption and effectiveness of the medication. By placing the formulation high in the vaginal tract, it ensures that the medication reaches the desired area and can provide the intended therapeutic effects.Rate this question:
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- 43.
Absorbs water
- A.
Buccal
- B.
Buffer system
- C.
Diluent
- D.
Hydates
Correct Answer
D. Hydates -
- 44.
Indredients in a formulation designed to control the pH
- A.
Buffer system
- B.
Colloids
- C.
Depot
- D.
Dissolution
Correct Answer
A. Buffer systemExplanation
A buffer system is a combination of a weak acid and its conjugate base (or a weak base and its conjugate acid) that helps maintain the pH of a solution. In the context of a formulation designed to control pH, a buffer system would be included to prevent drastic changes in pH when external factors, such as the addition of acids or bases, occur. This ensures that the pH remains stable and within the desired range, which is important for the effectiveness and stability of the formulation.Rate this question:
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- 45.
Mixture of two non-miscible liquids where one is dispersed throughout the other as tiny droplets
- A.
hemmorrhoid
- B.
Depot
- C.
Emulsion
- D.
Hydrates
Correct Answer
C. EmulsionExplanation
An emulsion is a mixture of two non-miscible liquids where one liquid is dispersed throughout the other as tiny droplets. In this case, the given description perfectly matches the definition of an emulsion. The other options, hemorrhoid, depot, and hydrates, do not fit the given description and are unrelated to the concept of a mixture of non-miscible liquids.Rate this question:
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- 46.
Water based
- A.
Aqueous
- B.
Buccal
- C.
Diluent
- D.
Lacrimal gland
Correct Answer
A. AqueousExplanation
The term "aqueous" refers to something that is water-based. In this context, it is likely referring to a liquid or solution that is composed primarily of water. The other options listed - buccal, diluent, and lacrimal gland - do not relate to being water-based. Therefore, the correct answer is "aqueous".Rate this question:
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- 47.
When drug activity is at the site of administration
- A.
Nasal cavity
- B.
Systematic effect
- C.
Local effect
- D.
Lacrimal glands
Correct Answer
C. Local effectExplanation
When drug activity is at the site of administration, it refers to the drug's effects being localized or confined to the specific area where it was applied or administered. In this case, the drug's activity is limited to the nasal cavity, indicating a local effect. This means that the drug is primarily acting on the tissues and cells within the nasal cavity, without causing any significant systemic effects or affecting other parts of the body.Rate this question:
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- 48.
Pouch between the teeth and cheek in the mouth
- A.
Buccal
- B.
Colloids
- C.
Nasal mucosa
- D.
All the above
Correct Answer
A. BuccalExplanation
The term "buccal" refers to the area or pouch between the teeth and cheek in the mouth. It is a specific anatomical location within the oral cavity. The other options, "colloids" and "nasal mucosa," do not relate to the description provided. Therefore, the correct answer is "buccal."Rate this question:
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- 49.
PAINFUL SWOLLEN VEINS IN THE ANAL/RECTAL AREA, GENERALLY CAUSED BY STRAINED BOWEL MOVEMENTS FROM HARD STOOLS.
- A.
Hydrates
- B.
Buccal
- C.
Hemorrhoid
- D.
Disintegration
Correct Answer
C. HemorrhoidExplanation
A hemorrhoid is a painful swollen vein in the anal/rectal area, typically caused by strained bowel movements from hard stools. This condition is characterized by swollen blood vessels in the rectum or anus, which can cause discomfort, pain, and itching. Hydrates, buccal, and disintegration are unrelated to this medical condition.Rate this question:
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- 50.
A solvent that dissolves a freeze-dried powder or dilutes a solution
- A.
Diluent
- B.
Inspiration
- C.
Aqueous
- D.
Dissolution
Correct Answer
A. DiluentExplanation
A diluent is a substance that is used to dissolve a freeze-dried powder or to dilute a solution. It helps to make the substance more liquid and easier to handle or administer. It is commonly used in pharmaceuticals and laboratory settings to prepare solutions of desired concentrations.Rate this question:
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Mar 19, 2023Quiz Edited by
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Nov 28, 2011Quiz Created by
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