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Regarding atrial natriuretic factor (ANF) - choose the incorrect option :

( A ) secreted by atrial wall of heart
( B ) secreted when blood pressure is decreased
( C ) peptide hormone
( D ) causes dilation of the blood vessels and reduces the blood pressure
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1 Answer

(B) is the right answer.

The atrial wall of our heart secretes a very important peptide hormone called atrial natriuretic factor (ANF), which decreases blood pressure. When blood pressure is increased, ANF is secreted which causes dilation of the blood vessels. This reduces the blood pressure.
answered Apr 3, 2014 by pady_1