Deck 2: Homeostasis and Adaptive Response to Stressors

Question 1

Most of the hormones released with stress serve to increase blood glucose.

Answer 1

True

Question 2

High-stress situations are always physiologically harmful.

Answer 2

False

Question 3

The effects of excessive cortisol production include

A) immune suppression.
B) hypoglycemia.
C) hypovolemia.
D) inflammatory reactions.

Answer 3

immune suppression.

Question 4

Which of the following normally is not secreted in response to stress?

A) Norepinephrine
B) Cortisol
C) Epinephrine
D) Insulin

Question 5

A coping method is functional if it reduces emotional pain.

Question 6

The process of change in an individual in response to altered conditions is called

A) coping.
B) allostasis.
C) evolution.
D) resistance.

Question 7

Antidiuretic hormone secretion may increase during physiologic stress leading to an increase in

A) blood sugar.
B) urine output.
C) serum sodium.
D) body fluid volume.

Question 8

Indicators that an individual is experiencing stress include all of the following except

A) tachycardia.
B) diaphoresis.
C) peripheral vasoconstriction.
D) pupil constriction.

Question 9

In stressful circumstances, the brain releases _____, which may improve mood, reduce pain, and induce sleep.

A) prolactins
B) oxytocins
C) dopamines
D) endorphins

Question 10

Stress rarely causes long-term physiologic disorders.

Question 11

Both positive and negative life events can produce stress.

Question 12

Cortisol is a stress hormone released from the adrenal medulla.

Question 13

Many of the responses to stress are attributed to activation of the sympathetic nervous system and are mediated by

A) norepinephrine.
B) cortisol.
C) glucagon.
D) ACTH.

Question 14

Stress can be defined as a threat to homeostasis.

Question 15

Selye called the "fight-or-flight" response an "alarm reaction" to stress.

Question 16

All of the following stress-induced hormones increase blood glucose except

A) antidiuretic hormone.
B) cortisol.
C) growth hormone.
D) norepinephrine.

Question 17

Norepinephrine and epinephrine are the primary mediators of the alarm phase of the stress response.

Question 18

Allostatic adaptation in response to stress may be considered successful when

A) stress hormones are no longer secreted.
B) heart rate falls below 100 beats/min.
C) homeostasis is restored.
D) the stress is no longer present.

Question 19

Selye's three phases of the stress response include all of the following except

A) initiation.
B) resistance.
C) alarm.
D) exhaustion.

Question 20

Cortisol decreases the inflammatory response.