What does the "U" in A-V-P-U stand for?

Neonatal aspiration of amniotic fluid and mucus with pneumonia is reported with code(s) ____________________.

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

How are elevated levels of calcium, magnesium or phosphate ions regulated by the kidneys?

a. increased levels result in decreased reabsorption and elimination into the urine b. increased levels result in decreased reabsorption and stimulation of the respiratory centers in the medulla c. increased levels result in increased reabsoption and stimulation of ADH d. increased levels result in increased reabsoption and stimulation of aldosterone