Arterial $\left[\mathrm{HCO}_{3}^{-}\right]$ Of $18 \mathrm{mEq} / \mathrm{L}, \mathrm{PCO}_{2}$ Of $34 \mathrm{~mm} \mathrm{Hg}$ , and Increased Urinary

Arterial $\left[\mathrm{HCO}_{3}^{-}\right]$ of $18 \mathrm{mEq} / \mathrm{L}, \mathrm{PCO}_{2}$ of $34 \mathrm{~mm} \mathrm{Hg}$ , and increased urinary $\mathrm{HCO}_{3}^{-}$ excretion would be observed in a

A) patient with chronic diabetic ketoacidosis
B) patient with chronic renal failure
C) patient with chronic emphysema and bronchitis
D) patient who hyperventilates on a commuter flight
E) patient who is taking a carbonic anhydrase inhibitor for glaucoma
F) patient with a pyloric obstruction who vomits for 5 days
G) healthy person