1.
The single, most important way to prevent the spread of infection while performing phlebotomy is by __________.
Correct Answer
C. Washing hands
Explanation
The single, most important way to prevent the spread of infection while performing phlebotomy is by washing hands. This is because hands can easily come into contact with pathogens during the procedure, and washing them thoroughly with soap and water can help remove these pathogens and reduce the risk of transmission. Wearing a mask may provide some protection, but it is not as effective as proper hand hygiene. Cleaning spills and burning waste are important infection control measures, but they are not the most crucial in preventing the spread of infection during phlebotomy.
2.
After drawing blood from a patient, the phlebotomist should dispose of the needle by __________.
Correct Answer
B. Depositing it in an approved "sharps container"
Explanation
The correct answer is depositing it in an approved "sharps container". After drawing blood from a patient, it is important for the phlebotomist to dispose of the needle safely and appropriately. Depositing the needle in an approved "sharps container" ensures that it is properly contained and prevents any potential harm or injury to others. This method of disposal is in accordance with standard safety protocols and helps to minimize the risk of needlestick injuries and the spread of infectious diseases.
3.
Negligence by a professional person is called __________.
Correct Answer
C. Malpractice
Explanation
Negligence by a professional person is commonly referred to as malpractice. This term is specifically used when a professional, such as a doctor or lawyer, fails to provide the standard of care expected in their field, resulting in harm or injury to their client or patient. Malpractice can have serious consequences and may involve legal action to hold the professional accountable for their negligent actions.
4.
Which of the following is the single most common source of HIV and HBV in the workplace?
Correct Answer
D. Blood
Explanation
Blood is the single most common source of HIV and HBV in the workplace because both viruses can be present in high concentrations in blood and can easily be transmitted through contact with infected blood. Semen, saliva, and pleural fluid may also contain the viruses, but they are not as commonly found or as infectious as blood. Therefore, blood poses the highest risk for transmission of HIV and HBV in the workplace.
5.
The heart, lymphatic organs, and blood vessels are in the __________.
Correct Answer
B. Cardiovascular system
Explanation
The heart, lymphatic organs, and blood vessels are all part of the cardiovascular system. This system is responsible for circulating blood throughout the body, delivering oxygen and nutrients to the cells and removing waste products. The heart acts as the pump, while the blood vessels carry the blood and the lymphatic organs help to maintain fluid balance and immune function. Therefore, the correct answer is the cardiovascular system.
6.
The venipuncture site should be cleansed in a circular motion from the center to the __________.
Correct Answer
A. PeripHery
Explanation
The venipuncture site should be cleansed in a circular motion from the center to the periphery. This means that the cleansing should start at the center of the site and move outward towards the edges. This technique helps to ensure that the area is thoroughly cleansed and reduces the risk of contamination. Cleansing in the opposite direction or at the injection point would not be effective in properly preparing the site for venipuncture.
7.
Within the capillaries, blood cells __________.
Correct Answer
A. Give away oxygen
Explanation
Within the capillaries, blood cells release oxygen to the surrounding tissues. This is because capillaries are the smallest blood vessels and their thin walls allow for the exchange of gases, nutrients, and waste products between the blood and the surrounding cells. Oxygen is transported by red blood cells, and as they pass through the capillaries, they release oxygen to the tissues that are in need of it. Therefore, the correct answer is "give away oxygen."
8.
Which is not an infection control method?
Correct Answer
C. SpHygmomanometers
Explanation
Sphygmomanometers are not an infection control method because they are used for measuring blood pressure and do not directly prevent the spread of infections. Protective clothing, biohazard containers, and hand washing are all effective infection control methods as they help to minimize the transmission of pathogens and maintain a clean and safe environment.
9.
Safe working conditions for employees are regulated by __________.
Correct Answer
B. OSHA
Explanation
OSHA, which stands for Occupational Safety and Health Administration, is responsible for regulating and enforcing safe working conditions for employees. OSHA sets standards and guidelines to protect workers from hazards in the workplace, such as exposure to harmful substances, physical dangers, and ergonomic issues. They conduct inspections, provide training, and enforce compliance to ensure that employers maintain a safe and healthy environment for their employees.
10.
Which of the following are types of tourniquets used in specimen collection?
Correct Answer
C. Pliable strap
Explanation
A pliable strap is a type of tourniquet used in specimen collection. Tourniquets are used to restrict blood flow to a specific area, such as the arm, to make veins more visible and easier to access for blood collection. Velcro and blood pressure cuffs are not specifically mentioned as types of tourniquets used in specimen collection, so they are not correct answers. Therefore, the correct answer is pliable strap.
11.
The color of normal serum is usually __________.
Correct Answer
A. Straw to yellow
Explanation
Normal serum is typically straw to yellow in color. This is because serum is the liquid portion of blood after it has clotted and the red blood cells have been removed. The color of serum is influenced by various factors, including the presence of certain proteins and pigments. In a healthy individual, the serum is usually a pale yellow color, resembling straw. This color can vary slightly depending on the individual's hydration status and diet.
12.
Which of the following conditions would stop a phlebotomist from drawing blood from a patient's vein?
Correct Answer
C. IV in the opposite arm
Explanation
The presence of an IV in the opposite arm would prevent a phlebotomist from drawing blood from a patient's vein. This is because the IV can cause damage to the vein and may interfere with the accuracy of the blood sample. It is important to avoid drawing blood from an arm with an IV to ensure the safety and well-being of the patient.
13.
Chemicals that precent blood from clotting are called __________.
Correct Answer
C. Anticoagulants
Explanation
Anticoagulants are chemicals that prevent blood from clotting. They work by inhibiting the formation of blood clots, which can be beneficial in medical procedures or conditions where clotting is undesirable, such as during surgeries or in patients with certain cardiovascular disorders. Preservatives are substances used to prevent spoilage or decay, activators are compounds that initiate or enhance a chemical reaction, and adhesives are substances used to bind or stick things together. Therefore, anticoagulants are the correct answer in this context.
14.
Red and white blood cell counts are examples of __________ tests.
Correct Answer
C. Hematology
Explanation
Red and white blood cell counts are examples of hematology tests because hematology is the branch of medicine that deals with the study of blood, blood-forming organs, and blood diseases. Red and white blood cell counts specifically measure the number of red and white blood cells in the blood, which are important indicators of overall health and can help diagnose various conditions and diseases.
15.
Treating all specimens as if they are hazardous and infectionsis the basis for __________.
Correct Answer
C. Universal precautions
Explanation
Treating all specimens as if they are hazardous and infections is the basis for universal precautions. This means that healthcare workers should take the same precautions for every patient, regardless of their perceived infection status. Universal precautions include practices such as wearing gloves, masks, and gowns, as well as properly disposing of any potentially contaminated materials. This approach helps to prevent the transmission of infections and ensures the safety of both healthcare workers and patients.
16.
Drugs used to destroy or kill bacteria that cause disease, are called __________.
Correct Answer
D. Anitbiotics
Explanation
Antibiotics are drugs that are specifically designed to destroy or kill bacteria that cause disease. They work by targeting the specific mechanisms or structures of bacteria, inhibiting their growth or killing them outright. Disinfectants, germicides, and sterilizers are all different types of substances used to kill or inhibit the growth of microorganisms, but they are not specifically designed to target bacteria. Therefore, the correct answer is antibiotics.
17.
When the heart is contracting, the pressure is highest. This pressure is called the __________.
Correct Answer
A. Systolic pressure
Explanation
When the heart is contracting, it is pushing blood out into the arteries, causing the highest pressure in the arteries. This pressure is known as systolic pressure. Diastolic pressure, on the other hand, refers to the pressure in the arteries when the heart is at rest and filling with blood. Heart pressure and arterial pressure are not specific terms used to describe the pressure during contraction.
18.
The process by which an object or area becomes unclean is known as __________.
Correct Answer
A. Contamination
Explanation
Contamination refers to the process of making an object or area dirty or impure. It involves the introduction of harmful substances, pollutants, or microorganisms that can compromise the cleanliness or safety of the object or area. This can occur through various means such as physical contact, exposure to chemicals, or the presence of infectious agents. Contamination is a common concern in industries such as food processing, healthcare, and environmental management, where maintaining cleanliness and preventing the spread of harmful substances or pathogens is crucial.
19.
The health care worker is protected by law if it can be determined that he or she acted as expected when compared with fellow workers. This is called __________.
Correct Answer
B. Reasonable care
Explanation
The correct answer is "reasonable care". In the context of the question, "reasonable care" refers to the standard of care that is expected from a health care worker when compared to their fellow workers. If the health care worker can demonstrate that they acted in accordance with this standard, they are protected by law. This means that as long as the health care worker acted reasonably and did not deviate from what is considered acceptable within their profession, they will be protected from legal liability.
20.
Which of the following is not known to transmit HIV?
Correct Answer
D. Sweat
Explanation
Sweat is not known to transmit HIV because the virus is not present in sufficient quantities in sweat to cause infection. HIV is primarily transmitted through specific body fluids, such as blood, semen, vaginal secretions, and breast milk, which contain higher concentrations of the virus. Sweat, on the other hand, does not typically contain enough HIV to transmit the infection, making it a low-risk fluid for transmission.
21.
Consent to treament based upon full understanging of all possible risks of unpreventable results of treatment is called __________.
Correct Answer
C. Assumption of risk
Explanation
Assumption of risk refers to the consent to treatment given by a patient who fully understands and accepts all the potential risks and unavoidable outcomes of the treatment. It implies that the patient acknowledges the risks involved and willingly proceeds with the treatment despite being aware of the potential negative consequences. This concept is often used in legal contexts to determine the liability of healthcare providers in case of any adverse outcomes.
22.
Infections that can be spread from person to person are called __________.
Correct Answer
B. Communicable
Explanation
Infections that can be spread from person to person are called communicable. This term refers to diseases or illnesses that can be transmitted through direct contact, such as touching, coughing, or sneezing. Communicable diseases can also be spread through indirect contact, such as sharing contaminated objects or surfaces. This term is used to distinguish these types of infections from those caused by environmental factors or transmitted through vectors, such as mosquitoes or ticks.
23.
A tube adapter that has been visibly contaminated with blood should be disposed of in __________.
Correct Answer
C. A biohazardous waste container
Explanation
A tube adapter that has been visibly contaminated with blood should be disposed of in a biohazardous waste container because blood can potentially carry infectious pathogens. By disposing of the contaminated adapter in a biohazardous waste container, it ensures that proper protocols are followed to prevent the spread of any potential infections or diseases. This container is specifically designed to safely store and dispose of biohazardous materials, including items contaminated with blood, to protect both the environment and individuals from potential harm.
24.
A violation of a person's right to have his or her name, photograph, or private affairs made public without giving consent is called __________.
Correct Answer
C. Invasion of privacy
Explanation
Invasion of privacy refers to the violation of an individual's right to keep their personal information, such as their name, photograph, or private affairs, private without their consent. It involves the unauthorized public disclosure of private and personal information, which can cause harm or distress to the person affected. This can include situations where someone's private information is shared without their permission, such as through the publication of personal photos or the dissemination of sensitive information.
25.
OSHA requires training and educational information on bloodborne pathogens to be given to employees __________.
Correct Answer
B. At no cost
Explanation
OSHA requires training and educational information on bloodborne pathogens to be given to employees at no cost. This means that employers are obligated to provide this training and educational material to their employees without charging them any fees. This requirement ensures that employees have access to important information about bloodborne pathogens, which is crucial for their safety and well-being in the workplace. By providing this training at no cost, employers are promoting a safe and healthy work environment for their employees.
26.
Characteristics of capillaries include __________.
Correct Answer
D. All of the above
Explanation
Capillaries are small blood vessels that connect arterioles (small arteries) with venules (small veins). They have thin walls, which allows for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. Capillaries also form microscopic pathways throughout the body, ensuring that every cell is supplied with blood. Therefore, all of the given characteristics are true for capillaries.
27.
Arterioles, the smallest arteries, subdivide into __________.
Correct Answer
C. Venules
Explanation
Arterioles, the smallest arteries, subdivide into venules. Venules are small blood vessels that collect blood from the capillaries and carry it back to the veins. This process allows for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
28.
The branch of study of moral issues, questions and problems arising in the practice of medicine and biomedical research is called __________.
Correct Answer
C. Bioethics
Explanation
Bioethics is the correct answer because it refers to the branch of study that deals with moral issues and questions that arise in the practice of medicine and biomedical research. It involves ethical considerations and principles in areas such as patient care, medical research, and healthcare policies. Philosophy, litigation, and morals do not specifically encompass the study of ethical issues in medicine and biomedical research.
29.
If tests require serim rather than a plasma, a tube with what color top should be drawn?
Correct Answer
A. Red
Explanation
If tests require serum rather than plasma, a tube with a red top should be drawn. This is because a red top tube contains a clot activator and a gel separator, which helps in separating the serum from the blood cells. The clot activator promotes blood clotting, allowing the serum to be separated from the clot. Therefore, drawing blood into a red top tube would be appropriate for tests that require serum.
30.
When using evacuated tubes for blood collection, it is crucial to remember to __________.
Correct Answer
D. All of the above
Explanation
When using evacuated tubes for blood collection, it is crucial to remember to never under fill tubes that contain anticoagulant, never use tubes past their stated expiration date, and immediately invert any tubes that contain additives. These precautions are necessary to ensure accurate and reliable test results, as under filling the tubes may lead to improper blood-to-additive ratio, expired tubes may affect the integrity of the blood sample, and failure to invert tubes with additives may result in inadequate mixing of the blood with the additive. Therefore, all of the above options should be followed to maintain the quality of blood samples collected using evacuated tubes.
31.
The rubber sleve (at the end opposite the needle tip) on an evacuated tube needle makes it possible for use with __________.
Correct Answer
B. Sterile technique
Explanation
The rubber sleeve on an evacuated tube needle allows for the use of sterile technique. Sterile technique is important in medical procedures to prevent the introduction of bacteria or other contaminants into the patient's body. The rubber sleeve helps to maintain the sterility of the needle during the procedure, ensuring that the patient is not at risk of infection.
32.
Because bacteria and other microorganisms can be found anywhere, all health care personnel should maintain sterility when handling __________.
Correct Answer
D. All of the above
Explanation
All healthcare personnel should maintain sterility when handling IV supplies, catheters, and instruments because bacteria and other microorganisms can be found anywhere. Sterility is crucial to prevent the transmission of infections and ensure the safety of patients. By maintaining sterility, healthcare personnel can minimize the risk of introducing harmful microorganisms into the patient's body during medical procedures or treatments. Therefore, it is important for healthcare personnel to follow proper sterilization protocols and handle all these items with care.
33.
When entering a room marked with isolation signs, __________.
Correct Answer
D. Read isolation signs to deternine what PPE is appropriate
Explanation
When entering a room marked with isolation signs, it is important to read the isolation signs to determine what personal protective equipment (PPE) is appropriate. This is crucial in order to ensure the safety of both the individual entering the room and the patient inside. Different isolation signs may indicate different levels of precautions necessary, such as wearing a gown, mask, or gloves. Therefore, reading the isolation signs helps in understanding and following the required protocols for entering the room safely.
34.
What information must be included if the phlebotomist must manually label a blood collection tube from an outpatient?
Correct Answer
D. All of the above
Explanation
The phlebotomist must manually label a blood collection tube from an outpatient with the patient's full name and phlebotomist initials, the date of the patient's birth and/or social security number, as well as the date and time of the draw. All of this information is necessary to ensure accurate identification and tracking of the blood sample.
35.
The study of blood is called __________.
Correct Answer
A. Hematology
Explanation
Hematology is the correct answer because it is the study of blood. It involves the examination of blood cells, blood clotting mechanisms, and blood diseases. Hematoxins are toxins that affect the blood, hemoglobin is a protein in red blood cells that carries oxygen, and hemolysis is the destruction of red blood cells. However, only hematology specifically refers to the study of blood.
36.
The term asepsis literally means __________.
Correct Answer
D. Without bacteria
Explanation
The term asepsis literally means without bacteria. Asepsis refers to the state of being free from bacteria or other microorganisms that can cause infection or disease. It is a key concept in healthcare settings, where maintaining a sterile environment is crucial to prevent the spread of infections. Aseptic techniques are used to ensure that medical procedures and equipment are free from harmful bacteria, reducing the risk of infection for patients. Therefore, the term asepsis accurately describes the absence of bacteria.
37.
The use if a chemical procedure to destory all microbial life including highly resistant bacterial endospores is called __________.
Correct Answer
C. Sterilization
Explanation
Sterilization refers to the use of a chemical procedure to destroy all microbial life, including highly resistant bacterial endospores. This process ensures the complete elimination of all microorganisms, making the object or area completely free from any viable organisms. Disinfection, on the other hand, refers to the reduction of microbial populations to a level that is considered safe for public health. Detoxification is the process of removing or neutralizing toxins. Acid washing involves using acidic solutions to clean or remove substances from a surface.
38.
Capillary blood sampling may be used if the laboratory tests require __________.
Correct Answer
B. Very little blood
Explanation
Capillary blood sampling may be used if the laboratory tests require very little blood. Capillary blood sampling involves obtaining a small amount of blood from the capillaries, which are the smallest blood vessels in the body. This method is commonly used when only a small volume of blood is needed for testing purposes, such as in glucose monitoring or for certain point-of-care tests. It is a less invasive and more convenient method compared to venous blood sampling, which requires a larger volume of blood to be drawn from a vein.
39.
The tube to collect whole blood with an EDTA additive in it has a __________ stopper.
Correct Answer
C. Green
Explanation
The tube to collect whole blood with an EDTA additive in it has a green stopper. EDTA is an anticoagulant that is commonly used to prevent blood from clotting. The green stopper indicates that the tube contains EDTA and is used for collecting whole blood samples. The other options, red, lavender, and yellow, are commonly used for different types of blood collection tubes with different additives or purposes.
40.
Diastolic pressure is __________.
Correct Answer
A. The bottom number of blood pressure readings
Explanation
Diastolic pressure refers to the bottom number of blood pressure readings. Blood pressure is measured using two numbers, with the top number representing systolic pressure (the pressure when the heart contracts) and the bottom number representing diastolic pressure (the pressure when the heart is at rest between beats). Therefore, the correct answer is "the bottom number of blood pressure readings."
41.
Do not draw blood __________ an intravenous infusion.
Correct Answer
B. During
Explanation
During an intravenous infusion, it is important not to draw blood because it can disrupt the flow of the infusion and cause complications. Drawing blood during the infusion can lead to a loss of medication or fluid, and it can also introduce air into the bloodstream, which can be dangerous. Therefore, it is best to avoid drawing blood while the infusion is taking place to ensure the safety and effectiveness of the procedure.
42.
Which of the following legally enforces the Bloodborne Pathogen Standard?
Correct Answer
B. OSHA
Explanation
The correct answer is OSHA. OSHA, which stands for the Occupational Safety and Health Administration, is responsible for enforcing the Bloodborne Pathogen Standard. This standard aims to protect workers from occupational exposure to bloodborne pathogens, such as HIV and hepatitis B, by implementing various safety measures and training requirements. OSHA ensures that employers comply with these regulations to maintain a safe and healthy work environment. The FDA (Food and Drug Administration) focuses on regulating food, drugs, and medical devices, while the CDC (Centers for Disease Control and Prevention) provides guidance and recommendations for preventing and controlling the spread of diseases. The Joint Commission is an independent organization that accredits and certifies healthcare organizations.
43.
Common syptoms of shock include all of the following except __________.
Correct Answer
C. Temperature
Explanation
Shock is a life-threatening condition that occurs when there is not enough blood flow to the body's organs. Common symptoms of shock include pale skin, increased shallow breathing rate, and a weak pulse. However, temperature is not typically considered a common symptom of shock.
44.
Which of the following causes AIDS?
Correct Answer
B. HIV
Explanation
HIV causes AIDS. HIV, or Human Immunodeficiency Virus, is a retrovirus that attacks the immune system, specifically the CD4 cells (T cells), which are crucial for fighting off infections. Over time, HIV weakens the immune system, making the person more susceptible to various opportunistic infections and diseases. If left untreated, HIV can progress to Acquired Immunodeficiency Syndrome (AIDS), a condition where the immune system is severely damaged, leading to life-threatening illnesses. HBV (Hepatitis B Virus), CMV (Cytomegalovirus), and RSV (Respiratory Syncytial Virus) are not known to cause AIDS.
45.
Eating and drinking are permissible in a laboratory setting __________.
Correct Answer
B. Only in designated clean areas
Explanation
Eating and drinking in a laboratory setting can introduce contaminants and pose safety risks. Therefore, it is necessary to limit these activities to designated clean areas where the risk of contamination is minimized. This helps maintain a safe and controlled environment for conducting experiments and handling hazardous materials.
46.
In health care, when all evaluated services and results compate within acceptable standards, principles of __________ are being used.
Correct Answer
A. Quality assurance
Explanation
Quality assurance refers to the systematic process of ensuring that all evaluated services and results in healthcare meet acceptable standards. It involves monitoring and evaluating the quality of healthcare services to identify and address any deficiencies or areas for improvement. By implementing quality assurance principles, healthcare organizations can ensure that they are providing safe, effective, and high-quality care to their patients. This includes adhering to evidence-based practices, implementing quality improvement initiatives, and continuously monitoring and evaluating outcomes.
47.
The tissue that covers and protects the body is __________.
Correct Answer
A. Epithelial
Explanation
Epithelial tissue covers and protects the body. It forms the outer layer of the skin and lines the internal organs, blood vessels, and cavities. Epithelial tissue acts as a barrier, preventing the entry of pathogens and regulating the exchange of substances between the body and its environment. It also aids in the absorption, secretion, and sensation processes.
48.
A possible cause of tube breakage during centrifugation might be __________.
Correct Answer
B. Unbalanced centrifuge
Explanation
An unbalanced centrifuge can cause tube breakage during centrifugation. When the centrifuge is unbalanced, the tubes inside may not rotate evenly, leading to excessive vibration and stress on the tubes. This can result in the tubes breaking and potentially causing damage to the centrifuge or the samples being centrifuged. Therefore, it is important to properly balance the centrifuge before starting the process to prevent tube breakage.
49.
A tube containing sodium citrate as an additive is the __________.
Correct Answer
C. Blue tube top
Explanation
The blue tube top is used when sodium citrate is added as an additive. This is because different colored tube tops are used to indicate different types of additives or anticoagulants present in the tube. Sodium citrate is commonly used as an anticoagulant in blood collection tubes for coagulation tests. Therefore, the blue tube top is the correct choice for a tube containing sodium citrate as an additive.
50.
Lack of physical or mental fitness is __________.
Correct Answer
D. Incompetence
Explanation
Incompetence refers to the lack of ability or skill to perform a task or job effectively. In the context of the question, if someone lacks physical or mental fitness, they may not be able to perform tasks or jobs adequately, indicating incompetence. The other options, malpractice, obesity, and negligence, do not directly relate to the lack of physical or mental fitness.