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18 Cards in this Set
- Front
- Back
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do endocrine glands have ducts?
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no
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what might endocrine glands require for function?
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trophic substances
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where are prehormones synthesized?
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in ribosomes on the RER
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where are prehormones cleaved?
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golgi
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where do steroid hormones come from?
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all from cholesterol-LDL
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at what precursor does the sequence diverge in the synthesis of aldosterone and cortisol
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progesterone
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which has a higher concentration in the blood, cortisol or aldosterone?
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cortisol, about 1000 times
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where do amine hormones come from?
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tyrosine
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which hormone is a precursor for epinephrine and norepinephrine?
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dopamine
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which hormones require transport proteins?
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steroid and thyroid
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which class of hormones has the longest half life?
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thyroid-T4
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which class of hormones has the shortest half life?
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amines
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define sensitivity
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the hormone concentration required to produce half the maximum response
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which three hormones work together to increase blood glucose?
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glucagon, cortisol and epinephrine
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glycogenolysis
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breaking down glycogen to glucose
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glycolysis
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converting glucose to lactate
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gluconeogenesis
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breaking down lactate to glucose
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glycogenesis
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converting glucose to glycogen
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