Final answer:
The patient's action of extending his arm and turning his head away is an example of implied consent.
Step-by-step explanation:
The action of the patient extending his arm and turning his head away is an example of implied consent. Implied consent refers to when a patient's actions or behavior indicate that they are willing to undergo a procedure or treatment without explicitly giving verbal or written consent. In this scenario, the patient's extension of the arm and turning of the head away can be interpreted as a sign that they are allowing the phlebotomist to draw blood.