Term
What are the adrenal hormones synthesized from? |
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Definition
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Term
What is the main way of regulation of cortisol? |
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Definition
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Term
where are the adrenal glands located? |
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Definition
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Term
What do glucocorticoids inhibit? |
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Definition
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Term
how do glucocorticoids work in the liver? |
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Definition
anabolically to build up energy stores |
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Term
In the liver, glucocorticoids favor______ |
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Definition
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Term
glucocorticoid insufficency may result in __________ |
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Definition
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Term
outside of the liver, gluccocorticoids stimulate____________ |
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Definition
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Term
what do gluccocordicoids do in response to stress? |
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Definition
increase resistance to stress |
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Term
glucocorticoids cause a decrease in_______ |
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Definition
eosinophils, basophils, monocytes, and lymphocytes by redistributing them to lymphoid tissue |
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Term
What is the most important effect of glucocorticoids? |
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Definition
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Term
glucocorticoids can cause an increase in _________ |
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Definition
hemoglobin, erythrocytes, and platelets |
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Term
increased glucorticoids levels may inhibit further synthesis of ________ |
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Definition
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Term
___% of cortisol is bound to plasma protein |
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Definition
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Term
synthetic corticosteroids are bound by _______ |
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Definition
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Term
are the bound steriods active? |
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Definition
No, only the 10% who are unbound are active. |
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Term
Half-life of steroids may increase dramatically in individuals with_______ |
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Definition
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Term
what factors should be considered with steriod administration? |
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Definition
1. Glucocorticoid v. mineralcorticoid activity 2. duration of action 3. time of day to be administered |
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Term
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Definition
cortisone t1/2=30 min hydrocortisone t1/2= 80-116 min |
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Term
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Definition
dexamethasone bethamethasone |
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Term
short acting steroids actually have higher potencies in _________ effects |
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Definition
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Term
Prednisone Prednisolone Triamcinilone Methylprednisolone |
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Definition
Intermediate acting steroids |
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Term
Therpauteic uses of steroids |
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Definition
inflammatory diseases respiratory diseases (COPD) rhematoid disorders and collagen diseases |
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Term
Steroids can also be used therapeutically for inhibition of __________ |
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Definition
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Term
Miscellaneous uses of steroids |
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Definition
replacement therapy cerebral edema premature delivery eye injury |
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Term
What is the most common side effect of steroids? |
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Definition
Osteoporosis b/c steroids decrease ca absorption in the gut |
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Term
other side effects of steroids: |
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Definition
cataracts, hyperglycemia, decreased resistance to infection, fluid and electrolyte disease, redistribution of body fat, adrenal supression |
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Term
what can happen with long-term steroid use? |
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Definition
the adrenal gland atrophies |
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Term
disease caused by the over-production or over-administration of steroids |
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Definition
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Term
dermatologic effects of cusings disease |
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Definition
easy brusing, skin atrophy, acne, hirsutism |
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Term
What is the test for cushings disease? |
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Definition
dexamethasone supression test |
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Term
this disease results in individuals not having enough steroids |
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Definition
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Term
causes of primary adrenal sufficiency |
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Definition
autoimmune, tuberculosis, surgical removal |
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Term
ACTH deficiency, glucocorticoid therapy |
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Definition
secondary adrenal insufficency |
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Term
this results in reduction in side effects than can be achieved by dose reduction alone. Used with intermediate acting glucocorticoids. |
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Definition
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Term
where are glucocordicoids made? |
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Definition
zona fasciculata of the adrenal gland |
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