Deck 7: A: Exercise, Sleep, and Injury Control

Question 1

The most important factor in setting our internal 24-hour biological clock is bright light,which signals the brain's _______ to decrease its production of ______________.

A) prefrontal cortex;dopamine
B) hypothalamus;ghrelin
C) suprachiasmatic nucleus;melatonin
D) corpus callosum;PYY

Answer 1

suprachiasmatic nucleus;melatonin

Question 2

The phenomenon called social jet lag refers to the fact that people:

A) need less sleep today than their ancestors did.
B) need more sleep today than their ancestors did.
C) sleep less than their counterparts did 100 years ago.
D) sleep more than their counterparts did 100 years ago.

Answer 2

sleep less than their counterparts did 100 years ago.

Question 3

Which of the following is a key factor in why adolescents and young adults are prone to unintentional injury?

A) Poor decision making.
B) Slow reflexes.
C) Immature visual acuity.
D) The slow pace at which the brain's limbic system matures.

Answer 3

Poor decision making.

Question 4

Among older age groups,_____________ are the leading cause of death;among younger age groups,____________ are the leading cause of death.

A) external causes;chronic conditions
B) external causes;external causes
C) chronic conditions;external causes
D) chronic conditions;chronic conditions

Question 5

Most injuries are:

A) random events.
B) unavoidable events.
C) predictable and unavoidable.
D) predictable and preventable.

Question 6

After flying from California to Maine,Joe experienced a restless,sleepless night.Joe's difficulty was most likely caused by a disruption of his:

A) dopamine reward system.
B) circadian rhythm.
C) BMR.
D) delta waves.

Question 7

Aerobic exercise is associated with increased activity in the ____________,which predicts better ___________ functioning.

A) amygdala;emotional
B) prefrontal cortex;cognitive
C) temporal lobe;auditory
D) occipital lobe;visual

Question 8

The recommended minimum amount of moderate aerobic exercise for healthy adults between the ages of 18 and 65 years is:

A) 30 minutes,three days each week.
B) 15 minutes,seven days each week.
C) 30 minutes,five days each week.
D) 60 minutes,five days each week.

Question 9

During the course of a full night's sleep,people are most likely to spend more time in:

A) NREM-4 sleep than in NREM-2 sleep.
B) REM sleep than in NREM-3 sleep.
C) NREM-3 sleep than in REM sleep.
D) NREM-1 sleep than in REM sleep.

Question 10

The __________ areas of the brain develop ahead of the ______________ areas.

A) analytic;executive
B) executive;analytic
C) impulse control;emotional
D) emotional;executive

Question 11

Neighborhood socioeconomic status is associated with health disparities,in part because of:

A) differences in physical activity.
B) health disparities.
C) the decline in physical education classes.
D) low exercise self-efficacy.

Question 12

Exercise increases ____________ sensitivity,which is crucial for people living with _________.

A) glucose;metabolic syndrome
B) cortisol;cardiovascular disease
C) insulin;diabetes mellitus
D) thyroxin;lymphoma

Question 13

Fear,excitement,and other intense emotions originate in the ___________,which is part of the ___________.

A) prefrontal cortex;limbic system
B) amygdala;limbic system
C) hypothalamus;endocrine system
D) cingulate gyrus;central nervous system

Question 14

Regis has decided to go to bed early.Although his eyes are closed and he's very relaxed,he has not yet fallen asleep.An EEG is most likely to indicate the presence of:

A) delta waves.
B) alpha waves.
C) sleep spindles.
D) rapid eye movements.

Question 15

In terms of lifestyle behaviors,the closest thing to a fountain of youth is:

A) a healthy diet.
B) regular exercise.
C) good sleep habits.
D) state-of-the-art health care.