What is the normal partial pressure of oxygen (in torr) in the arterial blood?
A) 35 to 45
B) 50 to 75
C) 80 to 100
D) 100 to 150
C
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Which of the following medications will block the influx of calcium ions during phase 0 of the slow potential in the heart?
A) Amiodarone (Cordarone) B) Lidocaine (Xylocaine) C) Esmolol (Brevibloc) D) Digoxin (Lanoxin)
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What is the ICS term for an assembly of five units of the same type with an assigned leader?
a. task force b. section c. strike team d. unit
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