Epidemiological Study Type and Types of Disease Transmission

 is a microscopic organism, and is able to multiply only within the living cells of a host.

• bacteria
• virus
• parasite
• fungus

A type of descriptive study that describes characteristics of number of patients with a given disease.

• case control
• case series
• case report study
• ecologic study

An aggregation of cases of a disease or other health-related condition, particularly cancer and birth defects, which are closely grouped in time and place.

• outbreak
• surveillance report
• cluster
• nucleus

Statistical relationship between two or more events, characteristics, or other variables.  

• association
• causality
• measure of dispersion
• relative risk

A period of subclinical or unapparent pathologic changes following exposure, ending with the onset of symptoms of chronic disease.

• exposure period
• latency period or incubation period
• index case period
• carrier period

Which of the following is NOT a mode of indirect transmission?

• Mosquito-borne
• airborne
• droplet-borne
• fomite

Index case is

• The first case to come to the attention of a disease investigator
• the first case chronologically (occurring first)
• the most notable case
• the model case

A doctor would most likely prescribe an antibiotic to treat what type of pathogen?

• Fungi
• Helminth
• Virus
• Bacteria

Disease transmission by kissing

• indirect
• direct
• droplet

The ________ is the first line of defense.

• eyes
• stomach
• t-cells
• skin