1.
What are the classes of antibiotics?
Explanation
The classes of antibiotics include sulfonamides, macrolides, penicillins, cephalosporins, aminoglycosides, quinolones, and tetracyclines. These classes are groups of antibiotics that have similar chemical structures or mechanisms of action. Each class targets specific types of bacteria or inhibits bacterial growth in different ways. Sulfonamides, for example, work by blocking the production of folic acid in bacteria, while macrolides interfere with protein synthesis. Penicillins and cephalosporins both target the cell wall of bacteria, while aminoglycosides disrupt protein synthesis. Quinolones inhibit DNA replication, and tetracyclines interfere with protein synthesis.
2.
Empiric Therapy is:
Correct Answer(s)
B. Treatment of an infection before specific culture info has been reported
C. Broad spectrum
Explanation
Empiric therapy refers to the treatment of an infection before specific culture information has been reported. This means that the treatment is initiated based on the healthcare provider's best guess or estimation of the likely causative organism. Empiric therapy is often broad spectrum, meaning it covers a wide range of potential pathogens, in order to increase the chances of effectively treating the infection until more specific information is available. This approach is commonly used in situations where waiting for culture results could lead to a delay in treatment and potentially worsen the patient's condition.
3.
List 4 Antibiotic mechanisms of actions.
Is interference with:
Correct Answer(s)
cell wall synthesis, DNA replication, protein synthesis, and acts as a metabolite to dirupt critical metabolic reactions inside the bacterial cell wall
Explanation
Antibiotics can work in various ways to inhibit the growth and survival of bacteria. One mechanism is by interfering with cell wall synthesis, which weakens the bacterial cell and makes it more susceptible to destruction. Another mechanism is by targeting DNA replication, preventing bacteria from reproducing and spreading. Antibiotics can also disrupt protein synthesis in bacteria, inhibiting the production of essential proteins needed for their survival. Lastly, some antibiotics act as metabolites, disrupting critical metabolic reactions inside the bacterial cell wall, leading to cell death.
4.
Bacteriostatic is:
Correct Answer
C. Inhibits growth of bacteria
Explanation
The term "bacteriostatic" refers to a substance or agent that inhibits the growth of bacteria. Unlike bactericidal agents that kill bacteria, bacteriostatic agents prevent the further growth and reproduction of bacteria without necessarily eliminating them completely. This allows the body's immune system to effectively control and eliminate the bacteria over time.
5.
Sulfonamides are:
Correct Answer
B. Bacteriostatic
Explanation
Sulfonamides are classified as bacteriostatic, meaning they inhibit the growth and reproduction of bacteria without directly killing them. This is achieved by interfering with the synthesis of folic acid, an essential nutrient for bacterial growth. By inhibiting folic acid production, sulfonamides prevent the bacteria from multiplying and spreading. However, they do not have the ability to kill bacteria directly, which is why they are classified as bacteriostatic rather than bactericidal.
6.
Sulfonamide indications are:
Correct Answer(s)
A. UTIs
B. Upper respiratory infections
Explanation
The correct answer is UTIs and upper respiratory infections. Sulfonamides are a class of antibiotics commonly used to treat urinary tract infections (UTIs) caused by bacteria. They work by inhibiting the growth of bacteria and preventing them from multiplying. Sulfonamides are also effective against certain upper respiratory infections, such as sinusitis and bronchitis, caused by susceptible bacteria. However, they may not be as effective in treating lower respiratory infections, such as pneumonia.
7.
Sulfonamides side effects include:
Correct Answer(s)
rash, photosensitivity, nausea, vomiting, diarrhea, pancreatitis
Explanation
Sulfonamides are a class of drugs that can cause various side effects. These include a skin rash, increased sensitivity to sunlight (photosensitivity), and gastrointestinal symptoms such as nausea, vomiting, and diarrhea. In some cases, sulfonamides can also lead to pancreatitis, which is inflammation of the pancreas. Therefore, the correct answer includes all of these potential side effects of sulfonamides.
8.
Sulfonamide interactions include:
Correct Answer(s)
A. SulpHonylureas
B. Warfarin
D. pHenytoin
Explanation
Sulfonamide interactions refer to the potential interactions between sulfonamide drugs and other medications. In this case, the correct answer includes sulphonylureas, warfarin, and phenytoin. These drugs are known to interact with sulfonamides, possibly leading to increased or decreased effectiveness, altered drug levels in the body, or increased risk of side effects. It is important for healthcare professionals to be aware of these interactions and closely monitor patients when these medications are used together to ensure safe and effective treatment.
9.
Macrolides are a wide spectrum.
Correct Answer
B. False
Explanation
Macrolides are not a wide spectrum.
10.
Macrolides are used for UTIs.
Correct Answer
B. False
Explanation
Used for infections of upper & lower resp. tract, skin & soft tissue
11.
Macrolide are used for:
Correct Answer(s)
A. Gonorrhea
B. Chlamydia
C. Lyme Disease
D. Strep infection
Explanation
Macrolides are a class of antibiotics that are effective against a wide range of bacteria. They are commonly used to treat infections caused by gonorrhea, chlamydia, Lyme disease, and strep infections. Macrolides work by inhibiting the growth of bacteria and preventing them from multiplying. They are also used to treat serious infections in cases where other antibiotics may not be effective.
12.
What are potential drug interactions with Macrolides?
Correct Answer(s)
Digoxin, Warfarin, Antihistamine, penicillins, & anticoagulants
Explanation
Macrolides are a type of antibiotic that can interact with other medications, potentially leading to adverse effects or reduced effectiveness. Digoxin is a medication used to treat heart conditions, and the interaction with macrolides can increase digoxin levels in the blood, leading to toxicity. Warfarin is an anticoagulant, and when taken with macrolides, it can increase the risk of bleeding. Antihistamines, penicillins, and other anticoagulants can also interact with macrolides, although the specific interactions and effects may vary. It is important for healthcare professionals to be aware of these potential interactions to ensure safe and effective treatment.
13.
What is the therapeutic effect of antibiotic use?
Correct Answer(s)
decrease in WBC count
Explanation
The therapeutic effect of antibiotic use is a decrease in WBC count. Antibiotics are medications that are used to treat bacterial infections. When an infection occurs, the body's immune system responds by increasing the production of white blood cells (WBCs) to fight off the infection. Antibiotics work by targeting and killing the bacteria causing the infection, which leads to a decrease in the number of WBCs needed to fight the infection. Therefore, a decrease in WBC count is a beneficial therapeutic effect of antibiotic use.
14.
What is the mechanism of action of penicillin?
Correct Answer(s)
enters the bacteria via the cell wall and binds with penicillin-binding protein which disrupts the normal cell wall synthesis
Explanation
Penicillin works by entering the bacteria through the cell wall and binding with penicillin-binding proteins. This binding disrupts the normal synthesis of the cell wall, which is essential for the bacteria's survival and growth. As a result, the bacteria are unable to maintain the integrity of their cell wall and eventually die. This mechanism of action makes penicillin effective in treating bacterial infections.
15.
Penicillin is used for:
Correct Answer
A. Gram + and streptococcus bacteria
Explanation
Penicillin is a type of antibiotic that is effective against Gram-positive bacteria and streptococcus bacteria. Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, which makes them susceptible to the action of penicillin. Streptococcus bacteria are a type of Gram-positive bacteria that can cause various infections, such as strep throat and skin infections. Therefore, penicillin is commonly used to treat infections caused by Gram-positive bacteria, including streptococcus bacteria. It is not effective against Gram-negative bacteria or staphylococcus bacteria.
16.
Nursing implications for the use of penicillin:
Correct Answer
monitor for 30min after administration for allergic reaction, do not give with caffeine, citrus fruit, cola beverages, fruit juices or tomato juice, and give 1h before or 2h after meals
Explanation
This answer provides the correct nursing implications for the use of penicillin. It states that the patient should be monitored for 30 minutes after administration for any allergic reactions. It also advises against giving penicillin with certain substances such as caffeine, citrus fruit, cola beverages, fruit juices, or tomato juice. Additionally, it suggests administering penicillin 1 hour before or 2 hours after meals. These precautions are important to ensure the safety and effectiveness of the medication.
17.
Binds with Ca+, Mg+, & Al+ ions to form insoluble complexes.
Correct Answer
B. Tetracyclines
Explanation
Tetracyclines are a group of antibiotics that have the ability to bind with calcium (Ca+), magnesium (Mg+), and aluminum (Al+) ions. When they bind with these ions, they form insoluble complexes. This means that the tetracyclines become unable to dissolve in water or bodily fluids, which can affect their absorption and effectiveness. This property of tetracyclines is important to consider when prescribing or administering these antibiotics, as it can impact their bioavailability and therapeutic activity.
18.
Tetracycline are used for:
Correct Answer(s)
A. Treatment of acne
B. Pleural & pericardial effusions
C. Chlamydia & Lyme disease
Explanation
Tetracycline is a broad-spectrum antibiotic that is commonly used for the treatment of various infections. It is effective in treating acne as it helps to reduce the growth of bacteria on the skin. Tetracycline is also used for the treatment of pleural and pericardial effusions, which are conditions characterized by the accumulation of fluid around the lungs and heart respectively. Additionally, it is effective against Chlamydia and Lyme disease, which are bacterial infections transmitted through sexual contact and tick bites respectively.
19.
Side effects of tetracycline are:
Correct Answer(s)
discoloration of teeth, retard fetal skeletal development, photosensitivity, alteration in intestinal flora
Explanation
Tetracycline is known to cause discoloration of teeth, as it can bind to calcium ions and accumulate in developing teeth, leading to a yellow or brown color. It can also retard fetal skeletal development if taken during pregnancy, as it can inhibit bone growth in the fetus. Tetracycline can make the skin more sensitive to sunlight, resulting in photosensitivity reactions. Additionally, it can alter the balance of bacteria in the intestines, leading to digestive disturbances and potential antibiotic-associated diarrhea.
20.
Poor oral absorption:
Correct Answer
A. Aminoglycosides
Explanation
Aminoglycosides have poor oral absorption, meaning they are not effectively absorbed into the bloodstream when taken orally. This is due to their chemical properties and the way they interact with the gastrointestinal tract. As a result, aminoglycosides are typically administered through other routes such as intravenous or intramuscular injection to ensure adequate absorption and therapeutic effect.
21.
Tetracyclines are used for serious infections.
Correct Answer
B. False
Explanation
Aminoglycosides are used for serious infections and should be monitored frequently to prevent serious toxicity
22.
What was the first oral antibiotic effective against gram - bacteria?
Correct Answer
Quinolones
Explanation
Quinolones were the first oral antibiotics that were effective against gram-negative bacteria. They were able to target and kill these types of bacteria, making them a significant advancement in the treatment of infections caused by gram-negative bacteria. Quinolones work by inhibiting the DNA replication process in bacteria, ultimately leading to their death. This class of antibiotics has been widely used to treat a variety of infections, including urinary tract infections, respiratory tract infections, and gastrointestinal infections caused by gram-negative bacteria.
23.
Quinolones mechanism of action:
Correct Answer
Alters DNA of bacteria
Explanation
Quinolones are a class of antibiotics that work by inhibiting the activity of bacterial enzymes called DNA gyrase and topoisomerase IV. These enzymes are responsible for unwinding and rewinding the bacterial DNA during replication and transcription. By inhibiting these enzymes, quinolones disrupt the normal DNA structure and prevent the bacteria from replicating and dividing properly. This ultimately leads to the death of the bacteria. Therefore, the statement "Alters DNA of bacteria" accurately describes the mechanism of action of quinolones.
24.
Quinolones are used for bone & joint infections.
Correct Answer
A. True
Explanation
Quinolones are a class of antibiotics that are commonly used to treat bone and joint infections. These infections can be caused by bacteria, and quinolones are effective in fighting against these bacterial infections. Therefore, it is true that quinolones are used for bone and joint infections.
25.
Quinolones are used for upper respiratory tract infections.
Correct Answer
B. False
Explanation
Lower respiratory tract infections
26.
Quinolones are used for UTIs
Correct Answer
A. True
Explanation
Quinolones are a class of antibiotics that are commonly used to treat urinary tract infections (UTIs). They work by inhibiting the growth of bacteria in the urinary tract, helping to alleviate the symptoms and eradicate the infection. Due to their broad spectrum of activity against different types of bacteria, quinolones are effective in treating both complicated and uncomplicated UTIs. Therefore, the statement that quinolones are used for UTIs is true.
27.
What other indications are there for Quinolone?
Correct Answer
Anthrax, STDs, infectious diarrhea, skin infections
Explanation
Quinolone is a type of antibiotic that is commonly used to treat a variety of infections caused by bacteria. It is effective against anthrax, sexually transmitted diseases (STDs), infectious diarrhea, and skin infections. These indications suggest that quinolone can be used to treat these specific types of infections, providing relief and helping to eliminate the bacteria causing the illness.
28.
Should limit the intake of what during Quinolone treatment?
Correct Answer(s)
A. Peanuts
C. Vegetables
E. Milk
F. Tums
Explanation
During Quinolone treatment, it is recommended to limit the intake of peanuts, vegetables, milk, and Tums. This is because these foods and medications can interfere with the absorption of Quinolone antibiotics in the body. Peanuts contain magnesium, which can bind to Quinolone antibiotics and reduce their effectiveness. Similarly, vegetables that are high in minerals like calcium and iron, as well as dairy products like milk, can also interfere with the absorption of Quinolone antibiotics. Tums, which contain calcium carbonate, can have a similar effect. Therefore, it is advised to avoid or limit the intake of these foods and medications during Quinolone treatment.
29.
What are the properties of NSAIDS?
Correct Answer(s)
anti-inflammatory, analgesic, antipyretic, and antirheumatic
Explanation
NSAIDs, or nonsteroidal anti-inflammatory drugs, are a class of medications that possess several properties. Firstly, they have anti-inflammatory effects, which means they can reduce inflammation and swelling in the body. Secondly, they are analgesic, meaning they can relieve pain. Additionally, NSAIDs have antipyretic properties, meaning they can reduce fever. Lastly, they are antirheumatic, which means they can help manage symptoms of rheumatic conditions such as rheumatoid arthritis. Overall, NSAIDs are versatile medications that can provide relief from inflammation, pain, fever, and rheumatic conditions.
30.
NSAIDS are used for mild pain only.
Correct Answer
B. False
Explanation
mild to moderate pain
31.
What are the categories of NSAIDS?
Correct Answer
ASA, Indomethacin, Ibuprofen, Ketorolac, Celecoxib
Explanation
The given list consists of different medications that belong to the category of NSAIDs (nonsteroidal anti-inflammatory drugs). NSAIDs are a class of drugs commonly used to reduce pain, inflammation, and fever. The medications listed, including ASA (aspirin), Indomethacin, Ibuprofen, Ketorolac, and Celecoxib, are all examples of NSAIDs that work by inhibiting the production of certain chemicals in the body that cause inflammation and pain.
32.
ASA is used for:
Correct Answer(s)
A. Anti-inflammatory
B. Antipyretic
C. Analgesic
D. Antithombotic
Explanation
ASA, also known as aspirin, is a medication that is used for its anti-inflammatory, antipyretic, analgesic, and antithrombotic properties. As an anti-inflammatory, it helps reduce inflammation in the body, which can relieve pain and swelling. As an antipyretic, it helps to reduce fever by acting on the hypothalamus, which regulates body temperature. As an analgesic, it helps to relieve pain by inhibiting the production of certain chemicals in the body. Finally, as an antithrombotic, it helps to prevent the formation of blood clots, which can reduce the risk of heart attacks and strokes.
33.
Non ASA first generation NSAIDS cause:
Correct Answer(s)
GI bleeding and ulceration, renal impairment
Explanation
Non ASA first generation NSAIDs (Nonsteroidal anti-inflammatory drugs) are known to cause GI bleeding and ulceration as well as renal impairment. These drugs inhibit the production of prostaglandins, which are responsible for protecting the stomach lining and promoting blood flow to the kidneys. Without sufficient prostaglandins, the stomach lining becomes vulnerable to damage, leading to bleeding and ulceration. Additionally, the decrease in blood flow to the kidneys can result in renal impairment. Therefore, the use of these NSAIDs should be closely monitored, especially in individuals with a history of gastrointestinal or renal issues.
34.
Indomethacin is:
Correct Answer(s)
B. Potent
C. Prescription only
E. PO
F. PR
Explanation
Indomethacin is a potent medication that is only available with a prescription. It can be taken orally (PO) or administered rectally (PR). This suggests that the drug is not available over-the-counter (OTC) and requires a doctor's authorization for use. The term "topical" is not applicable to indomethacin based on the given options.
35.
Ibuprofen has safe side effects.
Correct Answer
A. True
Explanation
Ibuprofen is a commonly used nonsteroidal anti-inflammatory drug (NSAID) that is known to have relatively safe side effects when used as directed. It is generally well-tolerated by most individuals and can effectively reduce pain, inflammation, and fever. However, like any medication, ibuprofen can cause side effects in some people, such as stomach upset, heartburn, and dizziness. These side effects are usually mild and temporary. It is important to follow the recommended dosage and consult a healthcare professional if any concerning side effects occur.
36.
Ketorolac is:
Correct Answer
B. Anti-inflammatory
Explanation
Ketorolac is classified as an anti-inflammatory drug. It works by inhibiting the production of certain chemicals in the body that cause inflammation and pain. This makes it effective in reducing pain, swelling, and inflammation associated with various conditions such as arthritis, injuries, and surgeries. Unlike antipyretics that specifically target fever reduction or analgesics that primarily alleviate pain, ketorolac's main mechanism of action is its anti-inflammatory properties. Therefore, it is categorized as an anti-inflammatory drug.
37.
Ketorolac is used for mild to moderate pain.
Correct Answer
B. False
Explanation
moderate to severe
38.
Celecoxib is a first-generation NSAID.
Correct Answer
B. False
Explanation
second generation
39.
Celecoxib is:
Correct Answer
B. Anti-inflammatory
Explanation
Celecoxib is classified as an anti-inflammatory drug. This means that it is primarily used to reduce inflammation in the body. It works by inhibiting the production of certain chemicals in the body that are responsible for causing inflammation and pain. Although it may also have some analgesic (pain-relieving) properties, its main therapeutic effect is its ability to reduce inflammation. It is commonly prescribed for conditions such as arthritis, menstrual pain, and other inflammatory disorders.
40.
Celecoxib has platelet effects and GI effects
Correct Answer
B. False
Explanation
Less then the previous NSAIDS
41.
Glucocorticoids inhibit or control inflammatory response by:
Correct Answer(s)
B. Decreasing capillar permeability to inflammatory cells
D. Decrease migration of WBCs
F. Lowers fever
G. Stabilizes cell membranes of lysosomes
Explanation
Glucocorticoids inhibit or control the inflammatory response by decreasing capillary permeability to inflammatory cells, which helps to reduce the accumulation of these cells at the site of inflammation. They also decrease the migration of white blood cells (WBCs), which further reduces inflammation. Glucocorticoids lower fever by inhibiting the production of inflammatory mediators that can cause fever. Additionally, they stabilize the cell membranes of lysosomes, which helps to prevent the release of enzymes that can cause tissue damage during inflammation.
42.
Prevents nausea and vomiting during chemotherapy
Correct Answer
C. Dexamthasone
Explanation
Dexamethasone is a corticosteroid that is commonly used to prevent nausea and vomiting during chemotherapy. Chemotherapy drugs can cause these side effects, and dexamethasone helps to reduce inflammation and suppress the body's immune response, which can alleviate these symptoms. It is often given in combination with other anti-nausea medications to provide effective relief for patients undergoing chemotherapy.
43.
Acetaminophen is:
Correct Answer(s)
A. Antipyretic
C. Analgesic
Explanation
Acetaminophen is classified as an antipyretic and analgesic. As an antipyretic, it helps to reduce fever by acting on the hypothalamus, which controls body temperature. As an analgesic, it works by inhibiting the production of certain chemicals in the body that cause pain. Acetaminophen is commonly used to relieve pain and reduce fever in conditions such as headaches, muscle aches, and colds.
44.
Maximum dose of acetaminophen is:
Correct Answer(s)
4000mg
4g
Explanation
The maximum dose of acetaminophen is 4000mg or 4g. This means that individuals should not exceed this dosage within a 24-hour period to avoid potential overdose or liver damage. It is important to follow the recommended dosage instructions and consult a healthcare professional if unsure about the appropriate amount to take.