​What Is the Most Common Reason That Vitamin B₁₂ Deficiency,or

question 61

Multiple Choice

​What is the most common reason that vitamin B₁₂ deficiency,or at least compromised B₁₂ status,occurs in older adults?

• A) ​Diets are frequently low in vitamin B₁₂,since oral problems and financial difficulties limit meat intake and meats are the best dietary sources of B₁₂.
• B) ​Pernicious anemia is common in the elderly.
• C) Their diets provide primarily 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 secretion of hydrochloric acid.
• E) ​B₁₂ supplements are expensive and many older adults cannot afford them.

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The policy of extending a country's power and influence through colonization, use of military force, or other means, particularly by European nations from the 16th to the 20th century.

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