Which Patient Scenario Describes the Best Example of Professional Collaboration

Which patient scenario describes the best example of professional collaboration?

A) The nurse, physician, and physical therapist have all visited separately with the patient.
B) The nurse, physical therapist, and physician have all developed separate care plans for the patient.
C) The nurse mentions to the physical therapist that the patient may benefit from a muscle strengthening evaluation.
D) The nurse and physician discuss the patient's muscle weakness and initiate a referral for physical therapy.