Q:

A woman has pernicious anemia. She has been prescribed parenteral vitamin B12 treatment but she is needle phobic. Why is oral treatment not preferred for this patient?

waelhammad
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2022-10-31
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A woman has pernicious anemia. She has been prescribed parenteral vitamin B12 treatment but she is needle phobic. Why is oral treatment not preferred for this patient?

  1. IM B12 is absorbed more
  2. Intrinsic factor deficiency affects oral B12 utilization
  3. IM B12 acts faster
  4. IM B12 needs lower dosage
  5. Pernicious anemia has swallowing difficulties
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waelhammad
2022-10-31
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The key is B. Intrinsic factor deficiency affects oral B12 utilization.

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