What ultratrace element has been shown to inhibit Na+/K+-ATPase function and the absorption of amino acids at higher concentrations?
A) ?vanadium
B) ?arsenic
C) ?cobalt
D) ?boron
A
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Why might patients with the nephrotic syndrome be advised to eat foods that are high in potassium?
A) Treatment with certain diuretics results in potassium loss. B) Protein loss is typically accompanied by potassium loss. C) They are unable to properly absorb potassium. D) They are not; they are advised to avoid high-potassium foods.
Which of the following can decrease calcium bioavailability?
A. vitamin C B. oxalates C. polyphenols D. vitamin D
The movement of water from areas where solutes are less concentrated to areas where they are most concentrated is called
A) permeation. B) osmosis. C) migration. D) sensible water loss.
Which of the following is a feature of folate nutrition?
a. The coenzyme form is FAD b. Dairy foods are a poor source of folate except for goat's milk c. Insufficient folate intake results in deficiency of homocysteine d. Synthetic folate is 70% more available than naturally occurring food folate