Carbohydrates are first chemically digested in the
A. duodenum.
B. mouth.
C. stomach.
D. large intestine.
Answer: B
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Neglecting protein differences, which of the following fluids has a virtually identical solute concentration?
A. The interstitial fluid, the extracellular fluid, and the plasma B. The extracellular fluid and the plasma C. The interstitial fluid and the intracellular fluid D. The interstitial fluid and the plasma E. None of these choices
Another name for gerbils is what?
A) cavies B) murinas C) jirds D) lagomorphs
A byproduct of protein catabolism, ________ constitutes approximately one-half of all nitrogenous waste
A) azotemia B) uric acid C) creatinine D) ammonia E) urea
Most water is reabsorbed from the filtrate in the ________.
A. collecting duct B. ascending loop of Henle C. proximal convoluted tubule D. distal convoluted tubule E. descending loop of Henle