NHA CH 6- Infection Control and Safety
Exam Questions Fully Solved.
Which of the following is a virus? - Answer D. Varicella, or chickenpox, is a common virus.
Which of the following can be further classified as protozoa, helminths, and ectoparasite? - Answer A.
Parasite can be further classified as protozoa, helminths, or ectoparasite.
Which of the following is a direct mode of transmission? - Answer A. Contact with an infected person is
a direct mode of transmission, which occurs when there is contact with an infected person or body fluid
carrying the pathogen.
A health care worker is not feeling well and has a fever. In which of the following scenarios can the
health care worker resume caring for a patient? - Answer D. A health care worker should be fever-free
for at least 24 hr without the help of fever-reducing medication.
According to the CDC, which of the following is the first step a medical assistant should take after
exposure to blood? - Answer D. following exposure to blood, the assistant should first wash the area
with soap and water. Next, the assistant should report the incident to the supervisor. After that, the
assistant must receive a medication evaluation. And lastly, the employee should receive health
counseling.
A medical assistant is performing aseptic hand washing. How long should the assistant run their hands
vigorously with soap? - Answer C. According to the CDC, it is advised to rub hands together for 15 to 20
seconds.
How often are health care facilities required to train their staff on guidelines for exposure to bloodborne
pathogens? - Answer B. Facilities are required to train staff annually and upon being hired.
What is the minimum temperature that must be reached to ensure sterility of autoclaved items? -
Answer D. This is the minimum temperature that must be reached to ensure the sterility of autoclaved
items. To kill all organisms, the autoclave must reach and stay at 121.1 °C (250 °F) throughout the
autoclave process.
Exam Questions Fully Solved.
Which of the following is a virus? - Answer D. Varicella, or chickenpox, is a common virus.
Which of the following can be further classified as protozoa, helminths, and ectoparasite? - Answer A.
Parasite can be further classified as protozoa, helminths, or ectoparasite.
Which of the following is a direct mode of transmission? - Answer A. Contact with an infected person is
a direct mode of transmission, which occurs when there is contact with an infected person or body fluid
carrying the pathogen.
A health care worker is not feeling well and has a fever. In which of the following scenarios can the
health care worker resume caring for a patient? - Answer D. A health care worker should be fever-free
for at least 24 hr without the help of fever-reducing medication.
According to the CDC, which of the following is the first step a medical assistant should take after
exposure to blood? - Answer D. following exposure to blood, the assistant should first wash the area
with soap and water. Next, the assistant should report the incident to the supervisor. After that, the
assistant must receive a medication evaluation. And lastly, the employee should receive health
counseling.
A medical assistant is performing aseptic hand washing. How long should the assistant run their hands
vigorously with soap? - Answer C. According to the CDC, it is advised to rub hands together for 15 to 20
seconds.
How often are health care facilities required to train their staff on guidelines for exposure to bloodborne
pathogens? - Answer B. Facilities are required to train staff annually and upon being hired.
What is the minimum temperature that must be reached to ensure sterility of autoclaved items? -
Answer D. This is the minimum temperature that must be reached to ensure the sterility of autoclaved
items. To kill all organisms, the autoclave must reach and stay at 121.1 °C (250 °F) throughout the
autoclave process.
