Mod 8: adrenal gland Flashcards

1
Q

Adrenal cortex secretes __,___,__

stimulated by

A

glucocorticoids, mineralocorticoids, gonadocorticoids

stimulated by ACTH

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2
Q

3 types of glucocorticoids

All have effects on ____, provide ___properties, ___supressing effects

A

cortisol, corticosterone, cortisone

effect metabolism, anti-inflammatory, growth suppressing effects

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3
Q

Functions of the glucocorticoids
inhibit cellular uptake of ___
stimulate _____secretion
metabolite of cortisol acts as ____=_____nerve cell function in brain

A

inhibit cellular uptake of glucose
stimulate gastric acid secretion
metabolite of cortisol acts as barbiturate and depresses nerve cell function in brain

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4
Q

Main mineralcorticoid

A

aldosterone (^renal reabsorption of NA, vPotassium)
release controlled by RAAS, angiotensin 2
ACE inhibitors =^K

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5
Q

adrenal Medulla secretes catecholamines ___,___,___

innervated by both the ___ and ___

A

epinephrine, norepinephrine, dopamine

sympathetic and parasympathetic nervous system

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6
Q

Both catecholamines epi and norepi increase blood pressure by increasing ____ and ____
they also increase ___, ___levels, and ___metabolism

A

increasing heart rate and vasoconstriction

increase respirations, glucose levels, cellular metabolism

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7
Q

Cushings syndrome- chronic over secretion of ___
d/t:
exogenous __ use
over secretion of ___ d/t pituitary tumor
ectopically produced ____ from ______, or ______

A

cortisol
exogenous steroid use
over secretion of ACTH d/t pituitary tumor
ectopically produced ACTH from non-pituitary carcinoma, or adrenal adenoma

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8
Q

Addison’s disease- disease of the ____= v___ and v___secretion
caused by ____ reaction that targets the adrenal cortex= adrenal ____and ____

A

adrenal cortex= vCortisol and aldosterone secretion
autoimmune reaction
adrenal atrophy and hypofunction

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9
Q

Causes of addison’s disease

HIMFACT

A
HIV
infections
metastatic tumors
fungal infections
amyloidosis
cessation of steroid therapy 
TB
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10
Q

Addisons sx appear after ______

A

90% of gland has been destroyed

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11
Q

Addisons s/s

opposite of cushings

A

hypoglycemia =fatigue, weakness, apathy, confusion , anorexia, n/v/d, and pain and the addisonian triad

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12
Q

Addisonian triad

HHH

A

hyperkalemia- vAldosterone=xK excretion
hyponatremia-vAldosterone xNa retention
hypotension-vCortisol xKeep vascular tone

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13
Q

Mineral corticoid deficiency sx’s

A
hypovolemia
dehydrated 
postural hypotension
dizzy
hyperkalemia 
salt cravings
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14
Q

Addisonian crisis

A

lack of cortisol and aldosterone

=severe hypotension, vascular collapse d/t fluid loss and vVascular tone

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