Which of thee following would ANP cause? a) increase reabsorption at kidney, b) increase heart rate, c) constriction of veins, d) decrease in cardiac output
Question
Which of thee following would ANP cause? a) increase reabsorption at kidney, b) increase heart rate, c) constriction of veins, d) decrease in cardiac output
Solution
ANP, or Atrial Natriuretic Peptide, is a hormone that is produced and released by the heart. It has several effects on the body, all of which are aimed at reducing blood pressure and volume.
a) Increase reabsorption at kidney: ANP actually decreases reabsorption in the kidneys. It promotes the excretion of sodium, which is followed by water, thereby decreasing blood volume and pressure.
b) Increase heart rate: ANP does not directly increase heart rate. Instead, it may actually lead to a decrease in heart rate due to its overall effect of reducing blood volume and pressure.
c) Constriction of veins: ANP causes the dilation of blood vessels, not constriction. This is another mechanism by which it reduces blood pressure.
d) Decrease in cardiac output: ANP can lead to a decrease in cardiac output, but this is not a direct effect. Instead, it is a result of the decrease in blood volume and pressure caused by the other effects of ANP.
So, the correct answer is d) decrease in cardiac output.
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