Which of the following describes the primary function of vitamin A in bone health?
a. It stimulates uptake of calcium from the intestines
b. It promotes synthesis of specific bone proteins involved in the mineralization process
c. It assists enzymes that degrade certain regions of the bone, thereby allowing remodeling to occur
d. It inhibits oxidation of bone mucopolysaccharides, thereby preserving bone crystal integrity and promoting growth
c
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Which substance is known to be produced by small intestinal bacteria?
a. Mucus b. Chyme c. Glucose d. Vitamins e. Protein
Niacin is synthesized in the body from the amino acid
A. Alanine B. Leucine C. Riboflavin D. Tryptophan
A rock concert is taking place outdoors. In which of the following conditions will their sound travel the farthest?
A. high temperature and low humidity B. high temperature and humidity C. low temperature and humidity D. low temperature and high humidity
Which statement is NOT an explanation of why irregular work schedules promote cognitive decline and disease?
What will be an ideal response?