If a Medicare beneficiary is covered by a spouse's employer group health plan, the Medicare plan is
A. neither primary nor secondary.
B. primary.
C. secondary.
D. either primary or secondary.
Answer: C
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Extensor carpi radialis brevis is deep to which muscle?
a. Extensor digitorum b. Extensor carpi ulnaris c. Extensor carpi radialis longus d. Supinator
Transcutaneous electrical nerve stimulation should never be applied
A) over the carotid sinus B) over cancerous tissue C) over a pacemaker D) all of the above
A patient breathing 40% O2 at sea level has a PaO2 of 50 mm Hg, a PCO2 of 30 mm Hg, and a PAO2 – PaO2 of 250 mm Hg. When the FiO2 is raised to 0.7, the PaO2 rises to only 58 mm Hg. Hypoxemia is primarily due to which of the following?
a. Hypoventilation b. Impaired diffusion c. Right-to-left shunt d. imbalance
The first step in a critical thinking problem solving is to
A. evaluate the evidence. B. gather information. C. clarify the problem. D. consider alternatives. E. implement the right decision.