This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
What would you advise a mother who has an allergy to protein but still wants to breastfeed? 
Select and explain. 
A. Assure her that breastfeeding would not pass on the allergy to the infant, B. Advise her to consult her primary health care provider regarding this issue, C. Advise her to use formula milk instead to avoid allergies., D. Let her alternate between breast milk and formula milk to reduce chances of acquiring the allergen.
A: Assure her that breastfeeding would not pass on the allergy to the infant
Answer: A: Assure her that breastfeeding would not pass on the allergy to the infant 
Explanation: A: Breast milk does not contain protein unlike cow’s milk, so it is safe to let the mother breastfeed the infant.
B: The nurse should inform the mother of the benefits of breastfeeding and should not simply hand over the responsibility to the physician.
C: Formula milk contains cow’s milk protein which could trigger an allergy.
D: The mother is still using formula milk which could trigger the allergy because of the protein in cow’s milk.