03-25-2009, 09:09 AM
20. An 11-year-old boy has been passing large volumes of urine and has been extremely thirsty over the past 10 days. He has lost a considerable amount of weight despite having a good appetite. During the past 2 days, he has become increasingly drowsy, lethargic, and difficult to arouse. Respirations are deep and rapid. His blood pressure is 100/60 mm Hg while supine and 40 mm Hg/undetectable while sitting. In addition to glucose, which of the following is the principal fuel oxidized in his brain?
A
) Alanine
B
) Glutamate
C
) Glycogen
D
) β-Hydroxybutyric acid
E
) Palmitate
F
) Triacylglycerol
A
) Alanine
B
) Glutamate
C
) Glycogen
D
) β-Hydroxybutyric acid
E
) Palmitate
F
) Triacylglycerol