Which of the following is an emergency exit indicator?
A. Situation is stabilized
B. Change in oxygen level
C. Changes in operational strategy
D. Necessary to replace air cylinder
B
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What is the recommended site for a pulse rate determination?
a. radial b. brachial c. apical d. dorsalis pedis
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Depolarization of a cardiac muscle cell occurs as the result of:
a. a decrease in the permeability of the cell membrane to ions. b. the rapid movement of ions across the cell membrane. c. a blockade by calcium ions. d. stimuli instigated during the refractory period.
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