Audio Qbank – Q25 – A 17M attends a Vegas party

 

A 17-year-old boy enters a jacuzzi at a foam cannon party in Vegas. The water temperature is 41C (105.8F). Which of the following combinations of physiologic changes is most likely in this boy?

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

 

Cut-to-the-chase Answer (0:44):
HY USMLE Answer (2:57):