Which of the following hemoglobin variants cannot combine reversibly with oxygen?
I. reduced hemoglobin
II. oxyhemoglobin
III. methemoglobin
IV. carboxyhemoglobin
A) I and II
B) I and III
C) II and III
D) III and IV
D
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If the steering wheel must be displaced during extrication and the air bag has not deployed, which of the following actions is recommended by air bag manufacturers?
A) Disconnect the battery cables. B) Firmly strike the hub of the steering wheel with a mallet to deactivate the air bag before displacing the steering wheel. C) Secure a long backboard across the steering wheel to deflect the air bag from the patient should it deploy. D) No action is required; only frontal impact will deploy air bags.
In the medical office, which individual typically completes the superbill?
A) nurse B) office manager C) physician D)billing manager