1.

Chong is 12 years of age and has just begun puberty. Which of
the following is a primary sex characteristic that might develop
soon for Chong?

Select one:

a. development of facial hair

b. lowering of the voice

c. growth of pubic hair

d. the development of sperm cells

2.

Short-term storage has a(n)

Select one:

a. approximate 20 seconds capacity.

b. unlimited capacity.

c. duration of up to a day

d. unlimited duration.

3.

A neurotransmitter that is important in muscle contraction
is

Select one:

a. acetylcholine.

b. norepinephrine.

c. serotonin.

d. epinephrine

4.

Research has shown that schizophrenia is influenced by
biological factors. Specifically, brain imaging studies have shown
that in people with schizophrenia

Select one:

a. both the amygdala and the hippocampus are not very
active.

b. the frontal and occipital lobes show a dramatic increase in
activity.

c. the amount of overall brain tissue is reduced.

d. the brain’s ventricles become smaller over time.

5.

Obsessive-compulsive disorder and generalized anxiety disorder
are both characterized by

Select one:

a. overarousal of the parasympathetic nervous system.

b. fear in the absence of real danger.

c. compulsive behaviors.

d. damage to the prefrontal cortex.