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 come into contact with various surfaces and objects that may be contaminated with infectious agents. By washing hands thoroughly and regularly with soap and water, the risk of transferring these pathogens to oneself or others is significantly reduced. Wearing a mask, cleaning spills, and burning waste are also important infection control measures, but they are not as crucial as proper hand hygiene 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
After drawing blood from a patient, the phlebotomist should dispose of the needle by depositing it in an approved "sharps container". This is the correct answer because sharps containers are specifically designed to safely collect and store used needles and other sharp medical instruments. By disposing of the needle in a sharps container, the phlebotomist ensures that it is properly contained and reduces the risk of accidental needlestick injuries to healthcare workers and others. Additionally, sharps containers are typically puncture-resistant and leak-proof, further preventing any potential contamination or harm.
3.
Negligence by a professional person is called __________.
Correct Answer
C. Malpractice
Explanation
Malpractice refers to the negligence or misconduct by a professional person, such as a doctor or lawyer, in the course of their work. It typically involves a breach of duty or standard of care that results in harm or injury to a client or patient. This term is commonly used in the context of medical malpractice, where a healthcare professional fails to provide proper treatment or care, leading to adverse consequences for the patient.
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 these viruses are primarily transmitted through contact with infected blood. While HIV can also be found in other body fluids like semen, vaginal fluids, and breast milk, the concentration of the virus in blood is higher, making it a more significant source of transmission. Saliva and pleural fluid do not typically contain high enough levels of the viruses to pose a significant risk of transmission, unlike blood.
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. The cardiovascular system is responsible for circulating blood throughout the body, delivering oxygen and nutrients to cells, and removing waste products. This system includes the heart, which pumps blood, the blood vessels, which transport blood throughout the body, and the lymphatic organs, such as the spleen and lymph nodes, which help to filter and produce immune cells. The respiratory system is responsible for breathing and the exchange of gases, the digestive system is responsible for processing and absorbing nutrients from food, and the urinary system is responsible for filtering and excreting waste products from the body.
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 to ensure proper cleaning and disinfection. This technique helps to remove any dirt or bacteria from the site, reducing the risk of infection. Cleaning in a circular motion also helps to spread the cleansing solution evenly across the site, ensuring thorough cleansing.
7.
Within the capillaries, blood cells __________.
Correct Answer
A. Give away oxygen
Explanation
Within the capillaries, blood cells give away oxygen. This is because capillaries are the smallest blood vessels where the exchange of gases, nutrients, and waste products occurs between the bloodstream and the surrounding tissues. Oxygen-rich blood enters the capillaries, and as the blood cells pass through, they release oxygen to the surrounding tissues. This oxygen is essential for cellular respiration and energy production.
8.
Which is not an infection control method?
Correct Answer
C. SpHygmomanometers
Explanation
Sphygmomanometers are not an infection control method. They are medical devices used to measure blood pressure and do not directly contribute to preventing the spread of infections. In contrast, protective clothing, biohazard containers, and hand washing are all infection control methods commonly used in healthcare settings.
9.
Safe working conditions for employees are regulated by __________.
Correct Answer
B. OSHA
Explanation
Safe working conditions for employees are regulated by OSHA, which stands for the Occupational Safety and Health Administration. OSHA is a federal agency that sets and enforces standards to ensure safe and healthy working conditions for employees in the United States. They provide guidelines and regulations that employers must follow to prevent workplace hazards, such as unsafe machinery, hazardous chemicals, and inadequate safety measures. OSHA also conducts inspections and investigations to ensure compliance with these standards and takes enforcement actions when violations are found.
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. It is used to restrict blood flow in order to make veins more visible and easier to access for blood collection. Velcro and blood pressure cuff are not types of tourniquets used in specimen collection.
11.
The color of normal serum is usually __________.
Correct Answer
A. Straw to yellow
Explanation
Normal serum typically has a color that ranges from straw to yellow. This color is due to the presence of various substances, such as proteins and lipids, in the serum. The specific shade of yellow can vary depending on the individual's hydration status and diet. A milky white color is not characteristic of normal serum and may indicate the presence of lipids or other abnormal substances. Clear red and hazy brown colors are also not typical for normal serum and may suggest the presence of blood or other pathological conditions.
12.
Which of the following is NOT a standard precaution to follow during a phlebotomy procedure?
Correct Answer
C. Recapping needles before disposal
Explanation
Recapping needles before disposal is not recommended because it increases the risk of accidental needle sticks, which can lead to the transmission of infections such as HIV, hepatitis B, or hepatitis C. Instead, used needles should be immediately discarded in a designated sharps container without recapping. Proper disposal and handling of needles is a critical part of infection control. On the other hand, wearing gloves, cleaning the puncture site with antiseptic, and using a sharps container are all standard precautions in phlebotomy to ensure both patient and healthcare worker safety.
13.
Chemicals that prevent 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 potentially dangerous and lead to various health issues. Unlike preservatives, which are substances used to prevent decay or spoilage, or activators, which initiate or enhance a chemical reaction, anticoagulants specifically target the clotting process in the blood. Adhesives, on the other hand, are substances used to stick things together and are not related to blood clotting. Therefore, the correct answer is anticoagulants.
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 and blood disorders. It involves the analysis of blood samples to determine the number and types of blood cells present. This information is crucial in diagnosing and monitoring various conditions such as anemia, infections, and blood cancers. Chemistry, blood banking, and microbiology are not specifically focused on the study of blood cells, making them incorrect choices.
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. Universal precautions refer to the practice of assuming that all patients and specimens may potentially be infectious, regardless of their known infection status. This approach ensures that healthcare workers take appropriate precautions to prevent the transmission of infections, such as wearing personal protective equipment and following proper hygiene practices, regardless of the perceived risk level. By implementing universal precautions, healthcare facilities can minimize the risk of spreading infections and maintain a safe environment for both patients and healthcare workers.
16.
Drugs used to destroy or kill bacteria that cause disease, are called __________.
Correct Answer
D. Anitbiotics
Explanation
Antibiotics are drugs used to destroy or kill bacteria that cause disease. They are specifically designed to target and inhibit the growth of bacteria, helping to treat bacterial infections. Disinfectants are used to kill or inactivate microorganisms on surfaces, while germicides are substances that destroy germs. Sterilizers, on the other hand, are used to completely eliminate all forms of life, including bacteria, viruses, and spores. Therefore, antibiotics are the correct answer in this case.
17.
When the heart is contracting, the pressure is highest. This pressure is called the __________.
Correct Answer
A. Systolic pressure
Explanation
During the contraction phase of the heart, known as systole, the pressure exerted on the walls of the arteries is at its highest. This pressure is referred to as systolic pressure. Therefore, systolic pressure is the correct term to describe the highest pressure when the heart is contracting.
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 unclean. It involves the introduction of harmful substances, such as dirt, germs, or pollutants, into a previously clean or sterile environment. This can occur through direct contact, airborne particles, or contaminated surfaces. Contamination can pose health risks and may require cleaning or disinfection to remove or reduce the presence of harmful agents. In contrast, infection refers specifically to the invasion and multiplication of harmful microorganisms in a host organism, sterilization refers to the process of eliminating all microorganisms, and colonization refers to the establishment and growth of microorganisms in a particular environment.
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 concept of "reasonable care" refers to the legal standard that determines whether a person has acted responsibly and prudently in a given situation. In the context of the question, it means that a health care worker is protected by law if it can be proven that they acted in a manner that is considered reasonable when compared to their colleagues. This standard helps to ensure that health care workers are not held liable for actions that are considered acceptable within their profession.
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 cannot survive outside the human body for long. HIV is primarily transmitted through specific bodily fluids such as blood, semen, vaginal secretions, and breast milk, which contain a high concentration of the virus. However, sweat does not typically contain enough HIV to transmit the infection, making it an unlikely mode of 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 given by a patient for a medical treatment, fully understanding and accepting all the potential risks and unpreventable outcomes that may arise from the treatment. It implies that the patient acknowledges and takes responsibility for the risks involved and agrees to proceed with the treatment despite them. This concept is important in medical ethics and legal matters, as it ensures that patients are fully informed and have the autonomy to make decisions about their own healthcare.
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 respiratory droplets, bodily fluids, or skin-to-skin contact. Communicable diseases can also be spread indirectly through contaminated objects or surfaces. This term is commonly used in the field of public health to describe the transmission of infectious diseases within a community or population.
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 is considered a biohazardous material. Biohazardous waste containers are specifically designed to safely contain and dispose of materials that may pose a risk to human health or the environment. By disposing of the contaminated tube adapter in a biohazardous waste container, it ensures proper handling and prevents the potential spread of infectious diseases.
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 act of violating someone's right to keep their personal information, such as their name, photograph, or private affairs, private without their consent. This can include unauthorized publication or dissemination of personal information, intrusion into someone's private space, or public disclosure of private facts without permission. It is a breach of an individual's right to privacy and can lead to legal consequences.
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 information without charging any fees to their employees. This requirement ensures that employees have access to the necessary knowledge and resources to protect themselves from bloodborne pathogens without any financial burden.
26.
Characteristics of capillaries include __________.
Correct Answer
D. All of the above
Explanation
Capillaries are small blood vessels that have thin walls, allowing for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. They form microscopic pathways, connecting arterioles (small arteries) with venules (small veins). Therefore, all of the given characteristics - being thin-walled in structure, forming microscopic pathways, and connecting arterioles with venules - 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 deoxygenated blood from the capillaries and carry it back towards the heart. This allows for the exchange of gases, nutrients, and waste products between the blood and surrounding tissues. Venules then merge to form larger veins, which eventually return the blood to the heart.
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, questions, and problems that arise in the practice of medicine and biomedical research. It involves the ethical considerations and principles that guide medical decision-making, research ethics, and the overall ethical implications of advancements in biotechnology and healthcare.
29.
If tests require serim rather than a plasma, a tube with what color top should be drawn?
Correct Answer
A. Red
Explanation
When tests require serum instead of plasma, a tube with a red top should be drawn. This is because the red top tube contains a clot activator that promotes blood clotting, allowing the separation of serum from the clotted blood. The serum is then used for various diagnostic tests, while the clot is discarded.
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 important to remember to never under fill tubes that contain anticoagulant, as this can affect the accuracy of the test results. It is also important to never use tubes past their stated expiration date, as expired tubes may not provide accurate results. Additionally, it is crucial to immediately invert any tubes that contain additives, as this ensures proper mixing of the blood with the additives and prevents clotting. Therefore, all of the given options are correct and should be remembered when using evacuated tubes for blood collection.
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 a sterile technique to be used. This is because the rubber sleeve acts as a barrier between the needle and the surrounding environment, preventing any contamination from entering the tube during the blood collection process. This is especially important when collecting blood samples for laboratory testing, as any contamination could affect the accuracy of the results. Therefore, the rubber sleeve enables the needle to be used safely and effectively in maintaining a sterile technique during blood collection.
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
Bacteria and other microorganisms can be present in various healthcare settings, including on IV supplies, catheters, and instruments. Therefore, it is important for all healthcare personnel to maintain sterility when handling these items to prevent the spread of infections.
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 signs to determine what personal protective equipment (PPE) is appropriate. This is because different types of isolation require different levels of protection, such as gowns, masks, or gloves. Asking a nurse or the patient may not provide accurate information, as they may not be aware of the specific requirements for that particular isolation situation. Going in without proper PPE or assuming that short visits do not matter can put oneself and others at risk of infection.
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, and the date and time of the draw.
35.
The study of blood is called __________.
Correct Answer
A. Hematology
Explanation
Hematology is the study of blood, including its composition, functions, and diseases. It involves examining blood cells, their formation, and their interaction with other components of the blood. Hematology is a branch of medicine that helps in diagnosing and managing various blood disorders such as anemia, leukemia, and clotting disorders. It also plays a crucial role in blood transfusions and understanding the immune system. Hematoxins, hemoglobin, and hemolysis are related terms but do not encompass the comprehensive study of blood like hematology does.
36.
The term asepsis literally means __________.
Correct Answer
D. Without bacteria
Explanation
The term "asepsis" literally means without bacteria. Asepsis refers to the absence or prevention of contamination by harmful microorganisms, particularly bacteria. It is a state of being free from any pathogenic or disease-causing bacteria, ensuring a sterile or germ-free environment.
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 is the correct answer because it refers to the process of completely eliminating all forms of microbial life, including highly resistant bacterial endospores. This process is achieved through the use of chemical procedures or physical methods such as heat or radiation. Disinfection is the process of reducing the number of microorganisms but does not necessarily eliminate all of them. Detoxification refers to the removal of toxins from a substance. Acid washing is a specific cleaning method using acidic solutions and is not directly related to the elimination of microbial life.
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. This method involves pricking the skin with a lancet to obtain a small amount of blood from the capillaries near the surface. It is commonly used for tests that only require a small sample size, such as glucose monitoring or certain point-of-care tests. Capillary blood sampling is less invasive and more convenient than venous blood sampling, making it suitable for situations where only a small quantity of blood is needed.
39.
The tube to collect whole blood with an EDTA additive in it has a __________ stopper.
Correct Answer
B. Lavender
Explanation
The tube used to collect whole blood with an EDTA additive typically has a lavender-colored stopper. This lavender-colored stopper indicates that the tube contains EDTA (Ethylenediaminetetraacetic acid), which acts as an anticoagulant to prevent blood clotting and is commonly used for hematological tests such as complete blood counts (CBCs).
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, systolic and diastolic. The diastolic pressure represents the pressure in the arteries when the heart is at rest between beats. This number indicates the resistance to blood flow in the arteries and is an important measure of cardiovascular health.
41.
Do not draw blood __________ an intravenous infusion.
Correct Answer
B. During
Explanation
During an intravenous infusion, it is important not to draw blood as it can interrupt the flow of the infusion and potentially cause complications. Drawing blood during the infusion can lead to a decrease in the amount of medication or fluid being delivered to the patient, which may affect the effectiveness of the treatment. Therefore, it is best to avoid drawing blood during an intravenous infusion to ensure the proper administration of medication or fluids.
42.
Which of the following legally enforces the Bloodborne Pathogen Standard?
Correct Answer
B. OSHA
Explanation
OSHA (Occupational Safety and Health Administration) legally enforces the Bloodborne Pathogen Standard. OSHA is responsible for ensuring safe and healthy working conditions for employees in the United States. The Bloodborne Pathogen Standard, established by OSHA, is a regulation that aims to protect workers from exposure to bloodborne pathogens such as HIV and hepatitis. OSHA sets guidelines and requirements for employers to prevent and control the transmission of these pathogens in the workplace, including proper training, use of personal protective equipment, and implementation of safety protocols.
43.
Common syptoms of shock include all of the following except __________.
Correct Answer
C. Temperature
Explanation
Temperature is not considered a common symptom of shock. Shock is a condition characterized by a lack of adequate blood flow to the body's organs and tissues, which can lead to various symptoms. Pale skin, increased shallow breathing rate, and weak pulse are all commonly observed symptoms of shock. However, temperature changes are not typically associated with shock.
44.
Which of the following causes AIDS?
Correct Answer
B. HIV
Explanation
HIV is the correct answer because it is the virus that causes AIDS (Acquired Immunodeficiency Syndrome). HIV attacks the immune system, specifically targeting CD4 cells, which are crucial in fighting off infections and diseases. Over time, as the virus replicates and destroys more CD4 cells, the immune system becomes severely weakened, leading to the development of AIDS. HBV (Hepatitis B virus), CMV (Cytomegalovirus), and RSV (Respiratory Syncytial Virus) are all different viruses that can cause various diseases, but they do not cause AIDS.
45.
Eating and drinking are permissible in a laboratory setting __________.
Correct Answer
B. Only in designated clean areas
Explanation
In a laboratory setting, eating and drinking can introduce contaminants and pose safety risks. Therefore, it is only permissible to eat and drink in designated clean areas to minimize the chances of cross-contamination and maintain a safe working environment.
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 in health care refers to the systematic process of monitoring and evaluating the services and results provided to ensure they meet acceptable standards. It involves implementing protocols, guidelines, and best practices to maintain and improve the quality of care delivered to patients. By using quality assurance principles, healthcare organizations can ensure that all evaluated services and results are in line with the expected standards, leading to improved patient outcomes and overall healthcare quality.
47.
The tissue that covers and protects the body is __________.
Correct Answer
A. Epithelial
Explanation
Epithelial tissue is the correct answer because it is the type of tissue that covers and protects the body. Epithelial tissue forms the outer layer of the skin, as well as lining the internal organs and cavities. It acts as a barrier against pathogens, chemicals, and physical damage, providing protection to the underlying structures. Epithelial tissue also plays a role in absorption, secretion, and sensation.
48.
A possible cause of tube breakage during centrifugation might be __________.
Correct Answer
B. Unbalanced centrifuge
Explanation
An unbalanced centrifuge can cause the tubes to break during centrifugation. When the centrifuge is unbalanced, it can cause uneven distribution of weight, leading to excessive vibration and stress on the tubes. This can result in the tubes breaking and potentially causing damage to the centrifuge or other equipment.
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. The color of the tube top indicates the type of additive or anticoagulant present in the tube. Sodium citrate is commonly used as an anticoagulant in blood collection tubes, especially for coagulation testing. 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, lack of physical or mental fitness can lead to incompetence as it hinders a person's ability to perform tasks efficiently. Therefore, incompetence is the most suitable term to complete the given sentence.