Which of the following medical gases support combustion? 1. O2 2. N2O 3. Compressed air 4. CO2
a. 1 and 4 only
b. 2 and 3 only
c. 1, 2, and 3 only
d. 1, 3, and 4 only
ANS: C
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A bleacher at a college has collapsed, and you are the first EMS unit to arrive on the scene. As you enter the gym, several patients are walking around with various injuries. What instruction is most appropriate for these ambulatory patients?
A) "Go outside and wait by the red fire truck in the parking lot and stay there." B) "Sit down here so that I can do a quick assessment on you." C) "Put this yellow tag on your wrist and go outside to the red fire truck in the parking lot." D) "Leave this gym and wait outside. I will be out in a few minutes after I check others who cannot walk."
What is the normal range of motion for dorsiflexion?
A) 0 to 10 degrees B) 20 to 30 degrees C) 40 to 50 degrees D) 60 to 70 degrees