Final answer:
The patient's action of extending his arm and turning his head away in an inpatient setting is an example of implied consent.
Step-by-step explanation:
The action of the patient extending his arm and turning his head away in an inpatient setting is an example of B. Implied consent.
Implied consent refers to the patient's non-verbal actions that suggest they are willing to undergo the procedure. In this case, the patient extending his arm and turning his head away indicates their implicit approval for the phlebotomist to draw blood.
Unlike A. Informed consent, which involves the patient giving explicit permission after being provided with all relevant information, implied consent is based on the patient's behavior and the context of the situation.