You have been called to the local community hospital for a 48-year-old male involved in a motor vehicle collision 2 hours prior. He has been diagnosed with a cerebral contusion and must be transported to a trauma center for specialty care. As a knowledgeable EMT, you recognize that a cerebral contusion is:
A) an open skull fracture with increased pressure in the skull.
B) the formation of a pocket of blood within the brain tissue.
C) bruising and swelling of the brain tissue.
D) active bleeding between the brain and the skull.
Question 2
The chief physiologic effect of nerve gas, such as VX, is to:
A) reversibly block the enzyme acetylcholinesteras e.
B) competitively block the nicotinic receptor sites at the neuromuscular junction.
C) competitively block the muscarinic receptor sites at the target organs.
D) produce an adrenergic blockade throughout the body.
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