Studies of the immune system in animals have found that stressors such as crowding

a. can lead to increased levels of immune system activity.
b. can activate the release of aggressive pheromones.
c. can increase levels of serotonin and dopamine.
d. can reduce various aspects of immune system activity.

D

Psychology

You might also like to view...

The process by which people concentrate on particular skill areas to compensate for losses in other areas is called

a) expertise. b) sensory memory. c) long-term memory. d) selective optimization.

Psychology

While most antianxiety drugs act on ________, Buspar acts primarily on ________

A) serotonin; GABA B) GABA; serotonin C) GABA; epinephrine D) serotonin; epinephrine

Psychology