RN Exam Practice
Physiological AdaptationQuestion 833 of 2368

A client is diagnosed with pernicious anemia caused by a lack of intrinsic factor. Which vitamin deficiency does the nurse expect?

  1. Vitamin B1 (thiamine)
  2. Vitamin B12 (cyanocobalamin)
  3. Vitamin B9 (folic acid)
  4. Vitamin C (ascorbic acid)
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Correct answer: Vitamin B12 (cyanocobalamin)

Lack of intrinsic factor in the intestines leads to pernicious anemia from vitamin B12 deficiency.

Source: Nursing Health Promotion (Open RN, Chippewa Valley Technical College, 2025), Healthy Diets: Essential Nutrients. Licensed under CC BY 4.0.

Practice the topic "Physiological Adaptation"

Questions last reviewed: 18 October 2026