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VUSN HEHI 5103 F & E Hormones Test (Questions & Answers) Rated 100% Correct!! $7.99   Add to cart

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VUSN HEHI 5103 F & E Hormones Test (Questions & Answers) Rated 100% Correct!!

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Describe pathway of RAA system. - Kidney secretes renin in response to low blood volume → renin travels to liver & triggers production of angiotensin I → angiotensin I travels to lungs & converts to angiotensin II → angiotensin II travels to adrenal glands & stimulates production of aldoste...

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  • August 16, 2024
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  • VUSN HEHI 5103 F & E Hormones
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VUSN HEHI 5103 F & E Hormones
Describe pathway of RAA system. - Kidney secretes renin in response to low blood volume →
renin travels to liver & triggers production of angiotensin I → angiotensin I travels to lungs & converts to
angiotensin II → angiotensin II travels to adrenal glands & stimulates production of aldosterone



What are the effects of aldosterone release on fluid & electrolyte balance? - - increases renal
retention of Na+

- increases renal excretion of K+

- increases water retention

- increases blood pressure



What is the "RAA System"? - Renin → Angiotensin → Aldosterone System



What triggers RAA system? - Sympathetic NS stimulation (fight or flight), low blood volume, low
blood pressure (hypotension)



What enzyme is responsible for converting angiotensin I to angiotensin II? - Angiotensin
Converting Enzyme (ACE)



What are two important functions of angiotensin II and what is the result? - Peripheral
vasoconstriction & stimulation of production of aldosterone → increase blood pressure



Where is aldosterone produced and where does it act? - Produced in adrenal cortex, acts on
kidney



Where is cortisol produced and where does it act? - Produced in adrenal cortex, acts on kidney



What are the effects of cortisol release on fluid & electrolyte balance? - - increases renal retention
of Na+

- increases blood pressure

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