The Entrainment of Circadian Rhythms by Visual Zeitgebers Is Mediated

question 18

Multiple Choice

The entrainment of circadian rhythms by visual zeitgebers is mediated by

• A) part of the optic nerve.
• B) the retinohypothalamic tract.
• C) a rare type of retinal ganglion cell.
• D) all of the above
• E) both A and C

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Definitions:

Congruence

The state of agreement or harmony between objects, ideas, or values.

Collective Unconscious

A term coined by Carl Jung, referring to structures of the unconscious mind which are shared among beings of the same species.

Shared Environment

The environmental factors that contribute to the similarities in development and behavior among family members living in the same household.

Culture

A program of shared rules that govern the behavior of people in a community or society, and a set of values, beliefs, and customs shared by most members of that community.