Question 1

Which of the following statements is true of HIV?

Accepted Answer

HIV has a longer incubation period than influenza, can be transmitted before detection by antibody tests, and drug treatment can reduce its communicability.

Question 2

Which of the following is a method of transmission of HIV/AIDS?

Accepted Answer

HIV/AIDS can be transmitted through intravenous drug use, blood transfusions, mother-to-child during childbirth, and breastfeeding.

Question 3

Which of the following is true of tuberculosis (TB)?

Accepted Answer

Tuberculosis can remain latent in the body for years, isolation has historically been used to control its spread, and individuals with AIDS have a higher risk of developing active TB due to their weakened immune systems.

Question 4

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B can survive for extended periods of time in contaminated needles?

Accepted Answer

Hepatitis B's ability to survive for extended periods in contaminated needles indicates it does not meet the criterion of having a short persistence in the environment.

Question 5

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B may establish a chronic infection that can lead to transmission of the disease even in the absence of symptoms?

Accepted Answer

The statement highlights the issue of chronic infection and asymptomatic transmission, which relates to the presence of a long-term carrier state.

Question 6

Which of the following statements about Modern Koch's postulates is the most accurate?

Accepted Answer

The answer of Which of the following statements about Modern...

Question 7

All of the following are true of influenza A, except:

Accepted Answer

Influenza A vaccines can be administered via injection of an inactivated vaccine or via a nasal spray of a live attenuated vaccine.

Question 8

All of the following are true of the control of rabies, except:

Accepted Answer

The rabies vaccine is generally safe and does not have frequent or serious side effects, and it is often used as a preventive measure in cases of potential exposure, not only when exposure is definitely established.

Question 9

Which of the following has been successfully used to control communicable diseases?

Accepted Answer

All of these methods have been successfully used to control communicable diseases by identifying, isolating, and treating affected individuals and their contacts.

Quiz 7: Communicable Diseases