Chapter 4 Review
PSYCH 310


1. According to the Yerkes-Dodson law

performance peaks at some midrange of arousal
performance peaks at low levels of arousal, only
performance peaks at high levels of arousal, only
performance is not related to arousal level


2. Increased beta wave activity is a result of

stimulation of the RAS, only
environmental stimuli, only
suppression of alpha wave activity by alcohol
both stimulation of the RAS and environmental stimuli


3. The high amplitude, slow waves seen in EEG of stage 3 and 4 sleep in humans are called

alpha
beta
theta
delta


4. Modest amounts of sleep deprivation of depressed patients tends to

act as an antidepressant
make them angry
make them suicidal
reduce their REM sleep once they are allowed to sleep


5. Which of the following is not evidence that adenosine may be involved in the chemical induction of sleep?

adenosine is produced by brain activity (more during wakefulness than sleep)
adenosine inhibits the RAS
adenosine has an inhibitory effect on neurons than maintain arousal
caffeine blocks the receptor sites for adenosine


6. The master gland within the endocrine system is

the pituitary gland
the adrenal gland
the thyroid gland
the hypothalamus


7. Selye named the initial stage of our response to a stressor

the resistance stage
the alarm reaction
the refractory stage
the exhaustion stage


8. The General Adaptive Syndrome

is always beneficial
shows different expression of stage sequence in different individuals
sometimes results in specific diseases of adaptation
is always of short duration


9. Social support theory

explains why stress is harmful to social relationship
proposes that social relationships help buffer the effects of stress
has shown that social support may be more effective for men than for women
both b and c are correct


10. A field of psychology that deals with relationships between behavior and health/illness is called

behavioral psychology
behavioral pharmacology
medical psychology
health psychology

Name:

1