When performing a full-body scan on a trauma patient, you note the presence of Battle's sign. This is defined as:
A. bruising behind the ear.
B. unequal pupils.
C. swelling to the orbital area.
D. fluid drainage from the nose.
Answer: A. bruising behind the ear.
Health Professions
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What is the highest flow rate on a flow-restricted, oxygen-powered ventilation (demand valve) device?
A) 40 liters per minute B) 15 liters per minute C) 30 liters per minute D) 20 liters per minute
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