Which hormone is released in response to daily variations in light and tends to rise as night falls, peaks at midnight, and falls again as the sun rises?

a. adrenaline
b. thyroxin
c. melatonin
d. androgen


ANSWER: c

Psychology

You might also like to view...

In manipulating independent variables, which types of variables involve variations in the directions that participants receive prior to the study?

a. Environmental variables b. Instructional variables c. Task or activity variables d. Invasive variables

Psychology

A key advantage of ________ lesions is that they affect only neural cell bodies and do not damage axons passing through the region

a. hypoxic b. aspiration c. 6-hydroxydopamine d. radio-frequency e. excitotoxic

Psychology

Which of the following names is associated with a self (phenomenological) theory of

personality? A) Allport B) Rogers C) Eysenck D) Cattell

Psychology

Existing plants cannot, for example, convert to a skill-based structure overnight because of the vested interests of employees in the higher classification.

a. true b. false

Psychology