VUSN HEHI 5103 F & E Hormones Exam Questions With Correct Answers
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Course
VUSN HEHI 5103
Institution
VUSN HEHI 5103
VUSN HEHI 5103 F & E Hormones Exam
Questions With Correct Answers
What is the "RAA System"? - answerRenin → Angiotensin → Aldosterone System
What triggers RAA system? - answerSympathetic NS stimulation (fight or flight), low blood
volume, low blood pressure (hypotension)
Describe pathway o...
VUSN HEHI 5103 F & E Hormones Exam
Questions With Correct Answers
What is the "RAA System"? - answer✔✔Renin → Angiotensin → Aldosterone System
What triggers RAA system? - answer✔✔Sympathetic NS stimulation (fight or flight), low blood
volume, low blood pressure (hypotension)
Describe pathway of RAA system. - answer✔✔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 enzyme is responsible for converting angiotensin I to angiotensin II? -
answer✔✔Angiotensin Converting Enzyme (ACE)
What are two important functions of angiotensin II and what is the result? - answer✔✔Peripheral
vasoconstriction & stimulation of production of aldosterone → increase blood pressure
Where is aldosterone produced and where does it act? - answer✔✔Produced in adrenal cortex,
acts on kidney
What are the effects of aldosterone release on fluid & electrolyte balance? - answer✔✔-
increases renal retention of Na+
- increases renal excretion of K+
- increases water retention
- increases blood pressure
Where is cortisol produced and where does it act? - answer✔✔Produced in adrenal cortex, acts
on kidney
What are the effects of cortisol release on fluid & electrolyte balance? - answer✔✔- increases
renal retention of Na+
- increases blood pressure
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