The gland that is the key element in the immune system is the _______
a. pituitary
b. ovaries or testes
c. thalamus
d. thymus
d
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Situations involving conflict trigger feelings of stress, because:
A. the situation is appraised as challenging B. only people with an external locus of control experience conflict C. one choice or goal must be given up D. they are usually accompanied by many major life changes
The key idea behind the trichromatic theory of color vision is that:
a. the retina contains three kinds of color receptors b. increased activation of one type of color cell will decrease activation in another c. ganglion cells encode most aspects of color d. each hemisphere of the brain processes color differently
A standardized set of questions administered orally to participants is called a structured questionnaire
Indicate whether the statement is true or false
Individuals from which ethnic group in the U.S. are most likely to contract HIV?
A) African American B) Non-Hispanic White American C) Latino American D) Asian American