Which of the following characteristics is shared by iron and zinc?
a. Neither functions in the maintenance of blood glucose
b. Neither is circulated from the pancreas to the intestines and back to the pancreas
c. Both are absorbed into intestinal mucosal cells and bound to metallothionein for transport first to the liver
d. Both are absorbed into intestinal epithelial cells but may then be lost by normal villus cell renewal processes
d
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Which of the following is classified as an oligosaccharide?
A. ribose B. starch C. raffinose D. maltose
Which measurement(s) assess(es) newborn health status after birth?
a. birthweight only b. length only c. head circumference only d. birthweight and length only e. birthweight, length, and head circumference
When considering the digestion and absorption of proteins, it is important to know that:
a. proteins are broken down into individual amino acids and absorbed by all intestinal cell absorption sites at an equal rate. b. larger peptide molecules must be completely broken down into amino acids to be absorbed into the bloodstream from the intestine. c. cells in the small intestine absorb different types of amino acids at separate absorption sites, which causes competition by similar amino acids at these absorption sites. d. amino acids need a carrier in the bloodstream because they do not transport very well alone. e. protein digestion and absorption requires simultaneous ingestion of some form of carbohydrate.
Intake of ________ enhances protein synthesis following physical activity
a. carbohydrate b. protein c. fat and water d. carbohydrate and protein e. protein and water