________An annotation consists of a short comment in pencil to indicate the purpose of the letter and underlining critical portions of the letter.

A 76-year-old patient with acute interstitial nephritis presents with oliguria, altered mental status, and edema to his face, hands, and feet. Of the following, which best describes the pathophysiology behind these clinical findings?

A) Increased GFR results in retention of water, electrolytes, and metabolic waste. B) Na+ and K+ excretion results in diuresis and dehydration. C) Decreased GFR results in retention of water, electrolytes, and metabolic waste. D) H+ excretion results in diuresis and alkalosis.

An __________ is a peice of equipment used to record the electrical activity of the heart.

Fill in the blank(s) with the appropriate word(s).