For which of these patients would you be most concerned about accidental exposure to cyanide?
A) An auto mechanic working near exhaust fumes
B) A coal miner working long hours in a mine
C) A worker who paints cars in an auto body shop
D) A firefighter battling a smoky structure fire
D) A firefighter battling a smoky structure fire
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The purpose of administering humidified oxygen in the treatment of asthma is to:
a. dilate the bronchi. b. avoid drying of mucus secretions in the airway. c. increase the respiratory rate. d. correct alveolar dehydration.
Viagra® is an example of a(n):
A) trade name. B) chemical name. C) official name. D) generic name.
Which of the following BEST defines an "unlisted E/M service"?
A. Any E/M healthcare services requiring a longer amount of time to perform than the intraservice time typically allows, and may be performed in an outpatient or an inpatient setting B. An E/M service between a physician and an established patient that, unlike any other E/M service, may occur over the phone or via the Internet C. A set of numeric codes representing E/M services that may be reported only in conjunction with a different E/M service and may never be listed independently D. The E/M service code that can be used to report a performed service that no other service reflects, reports, or identifies
Which of the following shift the oxyhemoglobin dissociation curve to the right?
I. decreased pH II. increased body temperature III. increased PaCO2 IV. decreased 2,3 BPG a. I, II, III, and IV c. I and IV only b. I and III only d. I, II, and III only