A high school football player had practice after school for

A high school football player had practice after school for an hour, sweating profusely, before he was able to stop. What would you expect to happen to his blood pressure and what effect would this have on his baroreceptors and why? What effect would this have on his kidneys? What would happen to his heart rate, cardiac output and MAP?

Solution

Profuse sweating results in decreased blood volume and drop in blood pressure, which can lead to hypovolemic shock. In response to the decreased blood volume, the cardiovascular system, endocrine system, renal system and the hematologic system respond in different ways. The primary consequences of hypovolemia include,