Which of the following statements is the best definition of a pandemic disease?

a. It normally occurs in a given geographic area.

b, It is a disease that occurs more frequently than usual for a geographical area or group of people.

c. It occurs infrequently at no predictable time scattered over a large area or population.

d. It is an epidemic that occurs on more than one continent at the same time.

Which of the following types of epidemiologists is most like a detective?

a. Descriptive epidemiologist

b. Analytical epidemiologist

c. Experimental epidemiologist

d. Reservoir epidemiologist

Consider the following case. An animal was infected with a virus. A mosquito bit the animal, was contaminated with the virus, and proceeded to bite and infect a person. Which was the vector?

a. Animal

b. Virus

c. Mosquito

d. Person

A patient contracted athlete’s foot after long-term use of a medication. His physician explained that the malady was directly related to the medication. Such infections are termed:

a. Healthcare-associated infections

b. Exogenous infections

c. Iatrogenic infections

d. Endogenous infections

Which of the following phrases describes a contagious disease?

a. A disease arising from fomites

b. A disease that is easily passed from host to host in aerosols

c. A disease that arises from opportunistic members of the resident microbiome

d. Both a and b