[Expert Solution]: Patients who have undergone Roux-En-Y gastric…

Patients who have undergone Roux-En-Y gastric bypass surgery are at risk of developing severe vitamin B12 deficiency. Because, Question 12 options: they eat medications which prevent the absorption of vitamin B12. they have inadequate secretion of intrinsic factor. their food intake is restricted following the surgery. their pacreatic juice secreation is impaired.