Audio Qbank – Q34 – A 33M runs on the treadmill

 

A 33-year-old man goes for a thirty-minute run on the treadmill at the gym. He then sits down for about ten minutes to relax. Compared to before his workout, which of the following sets of parameters best reflects his current cardiovascular status?

  ↑ Glossopharyngeal nerve firing; ↑ Vagus nerve firing; ↑ Renal efferent arteriolar diameter
  ↑ Glossopharyngeal nerve firing; ↓ Vagus nerve firing; ↑ Renal efferent arteriolar diameter
  ↑ Glossopharyngeal nerve firing; ↓ Vagus nerve firing; ↓ Renal efferent arteriolar diameter
  ↓ Glossopharyngeal nerve firing; ↑ Vagus nerve firing; ↑ Renal efferent arteriolar diameter
  ↓ Glossopharyngeal nerve firing; ↓ Vagus nerve firing; ↑ Renal efferent arteriolar diameter
  ↓ Glossopharyngeal nerve firing; ↓ Vagus nerve firing; ↓ Renal efferent arteriolar diameter

 

Cut-to-the-chase Answer (1:00):
HY USMLE Answer (3:49):