One Aspect of the Field of Epidemiology Involves

question 119

Multiple Choice

One aspect of the field of epidemiology involves

• A)Reviews of health policies and procedures for research institutions.
• B)Investigation of situations where research subjects were harmed.
• C)Efforts to control the spread of health problems amongst populations.
• D)Oversight of research review boards.

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Definitions:

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, providing electrical insulation and increasing the speed at which nerve impulses are conducted.

Saltatory Conduction

The process by which nerve impulses jump from one Ranvier node to another, speeding up the transmission of electrical signals along myelinated neurons.

Axon Hillock

The cone-shaped region of an axon in a neuron where the axon originates from the cell body.

Calculating Reaction Time

Calculating reaction time involves measuring the duration between the onset of a stimulus and the initiation of a response, important in cognitive and neuropsychological assessments.