The release of atrial naturetic peptides from the heart will cause the body to
A)conserve sodium ions.
B)decrease ECF.
C)excrete sodium ions.
D)conserve sodium ions and decrease ECF.
E)decrease ECF and excrete sodium ions.

Question

Quizplus · Accepted Answer

Atrial naturetic peptides (ANP) are secreted from the heart in response to increased blood volume and pressure. ANP functions to decrease blood volume and pressure by increasing the excretion of sodium ions and water in the urine, which in turn decreases the extracellular fluid (ECF) volume. Therefore, the best choice is E, which states that release of ANP will both decrease ECF and excrete sodium ions.

The Release of Atrial Naturetic Peptides from the Heart Will