Hormones

Question 1

As BV, or filling pressure, of the atria increases, the atrial strtch receptors are stimulated & the atria release the hormone - - -

Answer 1

Atrial Natriuretic Peptide (ANP)

Question 2

ANP stimulates what?

Answer 2

• Vasodilation of the vasculature
• Decrease TPR
• Inc in BF to kidneys –> inc in Na+ & H₂O excretion –> dec BV –> less stretching of atria (original signal)