Endocrine System: Response to Stress

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Nervous System and Endocrine System

What two body systems work together to provide well coordinated, generalized, nonspecific responses to combat stress?

epinephrine, norepinephrine, and cortisol

Increased levels of what three hormones indicate that an individual is experiencing stress? E,N, and C

Ephinephrine and Norepinephrine

In the nervous system's response to stress, ______ and _____________ exert many effects on the body.
Increased (CO, Ventilation, BP, Sweating, and Plasma Levels)
Decreased (Insulin and blood flow to digestive system)

ACTh

In response to stress, the hypothalamus increases the release of CRH, which increases ________ from the anterior pituitary and __cortisol_________ from the adrenal cortex. These hormones prolong the response to stress provided by the nervous system.

Cortisol

In response to stress, the hypothalamus increases the release of CRH, which increases _ACTh_______ from the anterior pituitary and ___________ from the adrenal cortex. These hormones prolong the response to stress provided by the nervous system.

Vasoconstriction

Cortisol enhances ____________________ (in vessels) to help maintain blood pressure and also (inhibits) the inflammation and immune response.

Inhibits

Cortisol enhances ___vasoconstriction_________________ (in vessels) to help maintain blood pressure and also (inhibits or increases) the inflammation and immune response.

Aldosterone

Besides cortisol, the adrenal cortex releases _______________, which promotes salt and water retention, which helps maintain blood volume and blood pressure

Vasopressin

____________ (posterior pituitary hormone) also aids in the stress response by promoting water retention and at high levels it is a potent ____vasoconstrictor___________. Both of these help maintain blood pressure.

Vasoconstrictor

___Vasoporessin_________ (posterior pituitary hormone) also aids in the stress response by promoting water retention and at high levels it is a potent _______________. Both of these help maintain blood pressure.

Hydrophilic

Epinephrine is a (hydrophilic or lipophilic) hormone. Thus it( does not) require a protein carrier and the receptors at the target cell are located _on the membrane______________.

Does not

Epinephrine is a (hydrophilic) hormone. Thus it(does or does not) require a protein carrier and the receptors at the target cell are located _on the membrane______________.

on the membrane

Epinephrine is a (hydrophilic) hormone. Thus it( does not) require a protein carrier and the receptors at the target cell are located _____________.

Tyrosine

Epinephrine is synthesized from _____________ and has a very short half-life of __10 seconds____.

10 Seconds

Epinephrine is synthesized from ____tyrosine__________ and has a very short half-life of __..... __ seconds.

Pheochromocytoma

___________ is a condition in which there is hypersecretion of catecholamines by a tumor in the adrenal medulla.
A patient with this condition would display these symptoms:
-sweating
-increased BP, Blood Glucose, HR, TPR

Lipophilic

Cortisol is a (lipophilic or hydrophilic) hormone. Thus it (does) require a protein carrier and the receptors on the target organ are located ___inside the cell__________. Cortisol is synthesized from ___cholesterol__________ and has a half-life of __90 minutes_______.

Does

Cortisol is a (lipophilic) hormone. Thus it (does or does not) require a protein carrier and the receptors on the target organ are located ___inside the cell__________. Cortisol is synthesized from ___cholesterol__________ and has a half-life of __90 minutes_______.

inside the cell

Cortisol is a (lipophilic) hormone. Thus it (does) require a protein carrier and the receptors on the target organ are located _____________. Cortisol is synthesized from ___cholesterol__________ and has a half-life of __90 minutes_______.

90 minutes

Cortisol is a (lipophilic) hormone. Thus it (does) require a protein carrier and the receptors on the target organ are located ___inside the cell__________. Cortisol is synthesized from ___cholesterol__________ and has a half-life of _________.

Cholesterol

Cortisol is a (lipophilic) hormone. Thus it (does) require a protein carrier and the receptors on the target organ are located ___inside the cell__________. Cortisol is synthesized from ____________ and has a half-life of __90 minutes_______.

Cushings Disease

Hypercortisolism is better known as ___________, which is due to a hypersecreting tumor in the anterior pituitary.

Addison's Disease

Primary adrenal insufficiency is better known as ________

Cortisol and Aldosterone

What two hormones are deficient in Addison's disease patients?

Addison's Disease

The following symptoms would be characteristic of which disease?
Low blood pressure, decreased plasma sodium and hypoglycemia

Cushings Disease

The following symptoms would be characteristic of which disease?
high blood pressure, poor wound healing and hyperglycemia

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