Which of the following causes decrease in blood pressure?
A
Renin
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B
Angiotensin
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C
ANF
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D
None of the above
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Solution
The correct option is C ANF ANF (Atrial natriuretic factor) is a protein hormone which is secreted by the atrial wall in response to the high blood volume and high blood pressure into the circulatory blood. ANF causes vasodilation (dilation of blood vessels) and thereby decrease the blood pressure.