The nurse is aware that vitamin B12 is absorbed in the:

A. Glucose is a simple sugar and is readily broken down and absorbed by the body for energy.
B. Fiber, a type of carbohydrate, cannot be digested by human digestive enzymes. It passes through the digestive system intact, aiding in bowel movements and promoting gut health.
C. Glycerol is a component of triglycerides (fats) and can be metabolized by the body for energy.
D. Fatty acids are the building blocks of fats and are broken down by digestive enzymes for absorption.

A. Orienting the patient to the location of the call bell and instructing on its use is crucial for patient safety and assistance, enabling them to call for help when needed.
B. Discussing the expected cost of the room per day may be important but is typically handled by the administrative or financial services staff, not part of the nursing orientation.
C. Shift change times are important for staff but are less pertinent to a patient's immediate needs and orientation to the unit.
D. While creating a comfortable and friendly atmosphere is important, addressing the patient informally by their first name should be done only if the patient expresses a preference for it; it's not part of standard orientation.