Which of the following is a feature of calcium supplements?
a. Common antacids are used as a source of calcium
b. The bioavailability of calcium from most supplements is significantly lower than from milk
c. There are large differences in the efficiency of calcium absorption from various supplements
d. The calcium in supplements made from oyster shell and bone meal is more absorbable than the calcium in calcium citrate and calcium lactate
a
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Sulfur is a component of which two amino acids?
A. Phenylalanine and aspartic acid B. Tryptophan and valine C. Methionine and cysteine D. Leucine and glutamic acid
Which answer below best described peristalsis??
A) It involves muscles and nerves. B) It involves enzymes and hormones. C) It occurs in the stomach but not the small intestine. D) It requires the aid of the accessory organs. E) None of the above
Which of the following do Americans need to consume more of?
A. meat and cheese B. fruits and vegetables C. breads and pastas D. all of the above
In the kidneys, 80% of plasma that does not enter the glomerulus flows through the afferent arterioles.?
Indicate whether the statement is true or false