Chapter 8 Patho

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Which characterizes the alarm stage ?

increased sympathetic activity
Glucocorticoids would be highest during the stage of :

resistance
Which is a correct sequence for Selye's hypothesis for stress?

increased ACTH in the blood, hypertrophy of the adrenal cortex
CRF is relased by the:

Hypothalamus
Which statement is not true?

stressors are the same for all individuals
What determines which stimuli are stressors for an individual?
- heredity
- past experience
- diet
Which statement is not true?

generally psychologic stress is independent of physiologic stress
The production of cortisol in response to stress can be initiated by the?

hypothalamus, anterior pituitary, and adrenal cortex
Cortisol:

increases protein catabolism
Which would not occur in response to stress?

constriction of the pupils
Which would not be useful to assess stress ?

total blood cholesterol
In response to stress teh adrenal cortex secretes:

cortisol and aldosterone
Severe stress results in all of the following except

an overactive immune system
What are the GAS stages : (General Adaption Syndrome)
- 1. Alarm Stage
- 2. The stage of resistance or adaption
- 3. The stage of exhaustion
- Diseases of adaption develo if the stage of resistance or adaption does not restore homeostasis
How does the neuroendocrine system respond to stress?

consists of the sympathetic stimulation of the adrenal medulla to secrete catecholamines (norepinephrine) and stressor induced stimulation of the pituitary to secrete SCTH which inturn stimulates the adrenal cortex to secrete steroid hormons such as cortisol
The purpose of catecholamines and cortisol?
- Catecholamines prepare the body to act
- Cortisol mobilized energy (glucose) and other substances needed to fuel the action

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adnap28

121723

Card Set

Chapter 8 Patho

Description

Stress

Updated

2011-12-08T03:16:33Z

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