A nurse is assisting with teaching a client about nutritional supplements. Which of the following supplements is used to reduce the risk of birth defects in neonates?

A. The duodenum is the first part of the small intestine where a significant amount of digestion takes place, but vitamin B12 is primarily absorbed in the lower part of the small intestine, called the ileum.
B. The stomach plays a role in releasing intrinsic factor, which helps in the absorption of vitamin B12, but the actual absorption occurs in the small intestine.
C. Vitamin B12 absorption primarily occurs in the lower part of the small intestine (ileum), facilitated by intrinsic factors.
D. The large intestine primarily absorbs water and electrolytes; it is not a site for vitamin B12 absorption.

A. The responsibility for obtaining prior insurance authorization typically falls on the admitting provider's office, as they initiate the admission process and coordinate the necessary approvals.
B. The admitting office of the hospital manages administrative tasks related to the admission process but usually doesn't handle insurance authorization directly.
C. The nursing unit focuses on patient care rather than administrative tasks like insurance authorization for admissions.
D. While the nurse plays a crucial role in patient care, the responsibility for insurance authorization generally rests with the admitting provider's office or administrative staff handling admissions.