What is the most common reason that vitamin B12deficiency occurs in older adults?
A. Diets are frequently low in vitamin B12since oral problems and financial difficulties limit meat intake and meats are the best dietary sources of B12.
B. The elderly have an inefficient digestive system and slow metabolism.
C. Their diets primarily provide synthetic forms of vitamin B12, which are less absorbable than the protein-bound form found naturally in foods.
D. The elderly have a higher incidence of bacterial overgrowth, which decreases the secretion of hydrochloric acid.
E. B12supplements are expensive, and many older adults cannot afford them.
Answer: D
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Drug potentiation refers to:
What will be an ideal response?