Which one of the following is necessary to obtain an accurate pulse oximetry measurement?
A) Elevate the patient's hand above his heart.
B) Secure the probe to the patient's finger with tape.
C) Remove nail polish from the patient's fingernail.
D) Administer oxygen before assessing the oxygen saturation.
C
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Which type of insurance gives the patient the choice of using an HMO or a PPO system?
A. The choice system B. Point of service C. Clinics D. Teaching hospitals
What MAYDAY situation occurs when a firefighter gets caught on exposed wires or other debris?
A. Entanglement B. Lost/disoriented C. Air emergencies D. Thermal emergencies
The pelvic cavity contains the
A. pelvis. B. stomach. C. reproductive organs. D. liver.
The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are ____.
A. leads B. stylus C. electrodes D. deflections E. probes