Who was the first to discover a type of second-degree heart block?
A. Willem Einthoven
B. Dr. Woldemar Mobitz
C. Sir Thomas Lewis
D. Dr. Karel Frederik Wenckebach
Answer: B
Health Professions
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All of the following are oxygen safety guidelines EXCEPT:
a. open and close the valves quickly. b. tighten all valves and connections hand-tight only. c. never allow smoking around oxygen equipment. d. always ensure that the O ring is in good condition.
Health Professions
Which of the following are common purposes for staging a case of lung cancer? 1. Selection of therapy 2. Assessment of extent of the disease 3. Prognosis 4. Etiology
a. 2, 3, and 4 only b. 1, 2, and 4 only c. 3 and 4 only d. 1 and 2 only
Health Professions