Stress and Adaptation

Question 1

Senior Superintendent Ernest Ressfol was walking in a mall when he heard an explosion. As he proceeded to check the source of the explosion, his heart rate was recorded to be 65 BPM. Which pat of his brain influenced his response?

a) Neocortical level
b) Limbic level
c) Vegetative Level
d) Hippocampal Level

Answer 1

a) Neocortical level

Question 2

Division responsible for “fight or flight” response

a) Parasympathetic division
b) Sympathetic division
c) Visceral division
d) Adrenal division

Answer 2

b) Sympathetic division

Question 3

Which of the following is an expected response to the activation of parasympathetic stimulation?

a) Increased arterial pressure
b) Increased rate of cellular metabolism
c) Increased blood glucose concentration
d) Increased salivary secretion

Answer 3

d) Increased salivary secretion

Question 4

The glands responsible for the stress response are

a) Pituitary
b) Thyroid
c) Adrenal
d) All of the above

Answer 4

d) All of the above

Question 5

A mistress was left by her sugar daddy at a restaurant before they ate their meal. What is her expected physiological state?

a) Elevated ACTH, increased sugar level
b) Increased heart rate and increased salivation
c) Increased blood glucose in digestive system
d) Elevated ACTH and constricted pupils

Answer 5

a) Elevated ACTH, increased sugar level

Question 6

A medical student taking this exam without the opportunity to study “stress” will have mental stress. What will be expected of his physiologic condition?

a) Decreased response of his limbic system resulting to reduced activity of his amygdala and hippocampus
b) Heightened alertness of his neocortical level
c) Increased transmission of signals to the posterior medial hypothalamus
d) Vasopressin activity is depressed and he urinates in his pants

Answer 6

c) Increased transmission of signals to the posterior medial hypothalamus

Question 7

To help ensure the body’s survival, which of the following back-up dynamics are available?

a) Catecholamine from the parasympathetic system that takes effect within 2-3 seconds.
b) Epinephrine from the adrenal medulla that takes effect within 20-30 seconds.
c) ACTH from adrenals that take effect within a few days to months in chronic stress
d) Thyroxine which takes effect within 2-3 seconds

Answer 7

b) Epinephrine from the adrenal medulla that takes effect within 20-30 seconds.

Question 8

How does the immune system get affected as a result of chronic stress?

a) Serum cortisol level increases and healing is delayed
b) Natural killer cell activity increases immediately upon exposure to stress
c) Acute phase reactant production is suppressed
d) Neutrophils proliferate

Answer 8

a) Serum cortisol level increases and healing is delayed