MSNCB Medical-Surgical Nursing Exam Prep

Category - Medical Surgical

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Following gastrectomy, the nurse must observe for signs of pernicious anemia because:

The extrinsic factor is produced in the stomach
The extrinsic factor is absorbed in the antral portion of the stomach
The intrinsic factor is produced in the stomach
Decreased hydrochloride acid production inhibits vitamin B₁₂ reabsorption

Explanation

Answer - C - Pernicious anemia may occur following subtotal gastrectomy (when large portions of the stomach are removed) due to the loss of tissue that produces the intrinsic factor.

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