Question

Consuming a meal that is high in sodium will result in which of the following effects...

Consuming a meal that is high in sodium will result in which of the following effects in order to maintain stable fluid volume?

a.

increase in fluid volume followed by a decrease in angiotensin and decrease in atrial natriuretic protein
b.

increase in fluid volume followed by a decrease in angiotensin and increase in atrial natriuretic protein
c.

increase in fluid volume followed by a increase in angiotensin and decrease in atrial natriuretic protein
d.

decrease in fluid volume followed by a decrease in angiotensin and increase in atrial natriuretic protein
Science   Anatomy-And-Physiology   
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Answer #1

Due to consumption of a meal high in sodium, there will be an elevation of sodium levels in blood and it increases osmolarity of blood.

To balance this condition, water from intracellular fluid enters into extracellular fluid, thereby the fluid volume gets increased which in turn increases arterial pressure.

As a result there will be decrease in production of renin and thus decrease in angiotensin levels and increase in atrial natriuretic protein levels.

Due to decrease in angiotensin levels and increase in atrial natriuretic protein levels, there will be return of extracellular fluid volume to normal and then the arterial pressure also comes to normal thus maintains homeostasis.

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