Corrine,a Student Nurse,often Hears That Nurses Are Gatekeepers and Wonders

Corrine,a student nurse,often hears that nurses are gatekeepers and wonders what that term means.As a nurse leader,you explain that this is a reference to the:

A) assessment and admission of patients into care.
B) orientation of patients to services once they are admitted.
C) function of controlling which patients see the physician and which do not.
D) coordination of care, services, advocacy, and access for patients within the healthcare system.