A patient with a normal PaO2 and cardiac output is exhibiting signs and symptoms of tissue hy-poxia. What is the most likely cause?

a. Hemoglobin deficiency
b. Low ambient PO2
c. Right-to-left shunt
d. Hypoventilation

ANS: A
If the blood hemoglobin is low—even when the PaO2 is normal—hypoxia can occur because of low O2 content in the arterial blood.

Health Professions

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The most effective technique for increasing tone in an inhibited and stretch-weakened muscle is to

a. facilitate a contraction in it using resisted motion. b. facilitate relaxation in the muscle using post-isometric relaxation. c. apply deep tissue techniques that stretch myofascia. d. apply pin-and-stretch techniques that elongate the muscle.

Health Professions

A formal contract between two or more health care team members to provide services to a patient is a:

a. Referral b. Recommendation for Care c. Contract for Care d. Phyicians Agreement

Health Professions