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$*$ Question Completion Status:

QUESTION $8$

The epidemiologic triangle shows the interaction of:

Environment, host, and behavior

Genetics, environment, and behavior

Environment, agent, and host

Vone of the above

QUESTION $9$

With respect to a hypothetical rabies investigation conducted among veterinary workers $($Dr$.$ Spot, $2003),$ researchers found that rabies was almost always fatal. This finding refers to:

toxigenicity

antigenicity

virulence

infectivity

QUESTION $10$

Specificity and sensitivity are measures for what?

Validity

Randomization

Precision

Causation

QUESTION $11$

A person with an inapparent infection:

can transmit the infection to others

is a danger to family members but not to others in the community

never develops antibodies

s of no epidemiologic importance

QUESTION $12$

Host factors in the causation of disease include:

emperature and humidity

chemicals in the air, water, or food

;enetic factors

Ititude