Filtrate in the proximal convoluted tubule normally contains
a) nutrients.
b) hydrogen ions.
c) water.
d) urea.
e) All of the answers are correct.
Answer: e) All of the answers are correct.
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A. Intake, concentration, and output B. Chemical, muscular, and neural action C. Filtration, reabsorption, and secretion D. Arterioles, nephrons, and venules
The brain relies solely on ________ as its energy source. If it is deprived of this substrate, the cells soon die.
A) amino acids B) insulin C) fatty acids D) glucose
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A. kidney B. brain C. red blood D. sperm E. oocyte
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Fill in the blank with the correct word.