Glucocorticod drugs Flashcards

1
Q

All hormones made in the adrenal are synthesized from

A

cholesterol…they are steroids

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2
Q

ACTH overproduction causes

A

Cushings

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3
Q

ACTH is synthesized as a part of POMC which also contains MSH.

A

ok

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4
Q

What stimulates ACTH release

A

CRH

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5
Q

Corticotrophic releasing hormone secretion is increased in response to what

A

STRESS, inflammation, hypoglycemia.

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6
Q

CRH is normally released 2 hrs before waking daily

A

ok

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7
Q

What would you want to use to see if cortisol is reacting to ACTH properly?

A

ACTH preferably. But you don’t have that so you use an ACTH analog cosynotropin.

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8
Q

What is the deal with corticosteroids and permissiveness?

A

Corticosteroids increase the effect of epinephrine on lipolysis by increasing protein synthesis

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9
Q

Remember, Cortisol and aldosterone both have affinity for the MRs in the kidney that upregulat NaKatpas, Enac, Romk, and SGK1…but what converts cortisol into ——- which has a lower affinity

A

11 Beta- HYDROXYSTEROID DEHYROGENASE converts cortisol into cortisone

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10
Q

Why does Addison’s disease = fatigue

A

levels of cortisol are required for muscle function

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11
Q

Admin of Gluccocorticoids

A

oral

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12
Q

Adverse effects

A

Osteoporosis, Diabetes, Peptic Ulcers, CNS effects, Small testicles from low testosterone (this is from negative feedback), women (anovulation, dysmenorrhea, uterine bleeding) kids (deceased linear growth from GH/IGF1 inhibition)

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13
Q

Hydrocortisone

A

short acting. cortisol equivalent. Adrenal Insufficiency. Addison’s

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14
Q

Cortisone

A

short acting, oral. .8% potency/Na retention

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