What is the primary acid-base buffering system in the ECF?
a. The phosphate buffer system
b. The protein buffer system
c. The hemoglobin buffer system
d. The carbonic acid: bicarbonate buffer system
d
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The active form of vitamin D is formed from cholecalciferol by the action of first the _____ and then the _____
a. stomach, large intestine b. small intestine, large intestine c. small intestine, liver d. liver, kidneys
A pantothenic acid deficiency
A. occurs commonly in children. B. occurs commonly in the elderly. C. is very unlikely because of its widespread availability. D. is very likely.
Home-canned foods should be boiled for 10 minutes before eating to help prevent:
a. shigellosis. b. staphylococcal food poisoning. c. salmonellosis. d. botulism.
A male tennis player consumes sufficient energy (kcal) and a nutrient-dense diet. Is he likely to consume sufficient vitamins from his diet alone?
a. Yes, his diet is likely to provide the vitamins he needs. b. No, his vitamin needs are too high to be met through diet alone.