Anp Quiz 9

dumbahh quiz

Chemical that minimizes changes in the pH of a body fluid by releasing or binding hydrogen ions is called a

buffer

The two organs that play an important role in maintaining acid-base balance are the

lungs and kidneys

All of the following are examples of ECF except

WBC

The release of ANP from the heart will cause the body to

excrete sodium ions and decrease ECF

What is a fluid shift?

Rapid movement of water b/w ECF and ICF in response to hormones

Raechel completed a 2 hour track workout in heat & humidity what is true?

Plasma K+, Na+, Aldosterone, ADH, and renin elevated.

Clinical treatment for acute dehydration uses hypotonic IV, why?

Rapidly increase ECF then fluid shift to ICF

One common problem resulting from fluid imbalance is a cardiac arrythmia, why?

Gain of K+ alters cardiac muscle electrical activity.

Patient is hypernatremic and hypokalemic, what endocrine problem?

Hyperaldosteronism, causes kidney to secrete K+ and reabsorb Na+

Na+ 140mM to mEq/L

140 mEq/L

Man has high bp, elevated plasma renin, atherosclerotic plaques blocking flow to renal aa. if low bp stimulates renin secretion why are his elevated?

Decreased bp in the afferent arteriole stimulates renin secretion.