Plasma, which makes up about ____% of the total blood volume, is the straw-colored liquid portion of blood minus the cellular elements.
A. 25
B. 37
C. 55
D. 63
Answer: C
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Your patient was hit by a car and thrown several yards. He presents with snoring respirations and a rapid and weak radial pulse. You suspect a spinal injury, based on the mechanism of injury. You should FIRST:
A. open the airway with a jaw-thrust maneuver. B. obtain a set of vital signs. C. open the airway with a head tilt-chin lift. D. immobilize the patient to a backboard.
Because general anesthetics affect the CNS, patients may feel:
A. normal immediately after awakening from anesthesia B. overly alert and excited after anesthesia C. drowsy, weak, or tired for as long as a few days after having general anesthesia D. drowsy, weak, or tired for up to 24 hours after having general anesthesia
Aspirin, a salicylate, is capable of performing which two functions?
a. antibacterial and antipyretic b. analgesic and antipyretic c. analgesic and emetic d. antibacterial and emitic
In contrast to syncope, a seizure:
A) is less commonly observed in older patients. B) can occur when the patient is in any position. C) most often occurs when the patient is standing. D) is characterized by a quick return of orientation.