Which Example Contains the Components Necessary to Form an Epidemiologic

question 11

Multiple Choice

Which example contains the components necessary to form an epidemiologic triangle?

• A) Pesticides, water, food
• B) Lead, mercury, soil
• C) Trichloroethylene, water, infants
• D) Children under 12, elderly, temperature

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Definitions:

Maximal Stimulus

The level of stimulus at which the maximum rate of contraction or response is achieved in a muscle or nerve.

Treppe Stimulus

A phenomenon where muscle contractions become more forceful with subsequent stimulations, due to increased calcium availability.

Threshold

The minimum level of stimulation required to trigger a neural impulse or a response in a sensory system.

AChE

Acetylcholinesterase, an enzyme that breaks down acetylcholine, a neurotransmitter, in the synapse, terminating the signal between nerves.