Audio Qbank – HY USMLE Q #563 – Cardiovascular physiology

A 16-year-old boy jumps into a cold lake with his friends. As a result, which of the following physiologic changes would be expected in this patient?

↑ Central blood volume; ↑ Atrial natriuretic peptide (ANP); ↑ Vasopressin (ADH)
↑ Central blood volume; ↑ ANP; ↓ ADH
↑ Central blood volume; ↓ ANP; ↑ ADH
↑ Central blood volume; ↓ ANP; ↓ ADH
↓ Central blood volume; ↑ ANP; ↑ ADH
↓ Central blood volume; ↑ ANP; ↓ ADH
↓ Central blood volume; ↓ ANP; ↑ ADH
↓ Central blood volume; ↓ ANP; ↓ ADH