A detonation has a combustion zone that propagates:
A) faster than the local speed of sound.
B) slower than the local speed of sound.
C) approximately at the speed of the average running adult male.
D) approximately at the speed of the average walking adult male.
A
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a. 1, 2, and 4 only b. 3 and 4 only c. 1, 2, and 3 only d. 2, 3, and 4 only
An adult female is found unresponsive after being shot in the chest. Which statement made by your partner is of most concern and indicative of patient deterioration?
A) "I see an entry wound but cannot find the exit wound anywhere." B) "Her SpO2 has gone from 90% to 93%." C) "I do not think her jugular veins are distended." D) "She is getting more difficult to ventilate."