If you are unable to restore a pulse during cardiac arrest, the patient will likely:
A) sustain brain damage within two to four minutes.
B) respond to electrical stimulation after six cycles of CPR.
C) die without adequate circulation within 10 minutes.
D) require hyperventilation to restore a pulse.
C
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When teaching EMRs about airbags, which of the following points would you emphasize?
A) The benefit of airbags is decreased in multiple collisions. B) Airbags prevent broken glass from striking the occupant. C) Properly placed airbags eliminate the need for seatbelts. D) Airbags are effective in decreasing injury in a rollover-type collision.
The concentration of oxygen delivered to the patient with an air-entrainment mask depends on which of the following?
1. Flow of the oxygen exiting the jet nozzle 2. Size of the jet nozzle outlet 3. Size of the entrainment port 4. Size of the Venturi mask a. 1, 2, and 3 c. 1, 2, and 4 b. 2, 3, and 4 d. 3 and 4