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Flashcards in Quiz 3 Deck (17)
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1

What is the epidemiological triangle?

the relationship between host, agent, and environment

2

What is a reservoir?

the habitat in which the agent normally lives, grows, and multiplies

3

What is the portal of entry?

the manner in which a pathogen enters a susceptible host

4

What is the vehicle?

What carries the agent

5

What is the portal of exit?

path by which a pathogen leaves its host

6

What is an incubation period?

the period between exposure to an infection and the appearance of the first symptoms

7

what is a subclinical illness?

an illness that doesn't manifest any clinical symptoms

8

What is IRB?

institutional review board

9

What are the 3 levels of review?

Exempt
Expedited
Full Board

10

What are characteristics of an infectious disease?

Infectivity, Pathogenicity, Virulence, Toxigenicity, Resistance, Antigenicity

11

What is the Tuskegee study?

a study that was designed to record the natural history of syphilis in black people

12

Why is the Tuskegee study controversial?

There were no proven treatments for syphilis when the study began. When penicillin became the standard treatment for the disease in 1947 the medicine was withheld as a part of the treatment for both the experimental group and control group

13

how did the Tuskegee study end?

dozens of men had died and their wives, children and untold number of others had been infected. This set into motion international public outcry and a series of actions initiated by U.S. federal agencies

14

What is an exposure assessment?

focuses on the processes that take place at the interface between the environment containing the contaminant(s) of interest and the organism(s) being considered

15

who suggested yellow fever was transmitted by mosquitos?

Dr. Reed and Dr. Finlay

16

How do we protect ourselves from yellow fever today?

vaccines and mosquito protection

17

Where is yellow fever still prevalent?

Yellow fever is endemic in ten South and Central American countries & africa