During cerebral cellular injury and death as a result of energy deprivation, depolarization of the neuronal membrane causes ____.
A. failure of the Na+ and K+ pumps
B. neurons to release excessive glutamate into the synaptic cleft
C. activation of nitric oxide synthase
D. nitric oxide production to increase
Answer: B
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An EMT's assessment differs from an assessment made in the emergency department in which way?
A) Time is available in the emergency department to make a diagnosis. B) An EMT's focus is on life threats first. C) The emergency physician is concerned with scene safety. D) The EMT is working with limited resources.
A burn patient who has signs and symptoms of inhalation injury with associated respiratory compromise should be classified as:
A) serious. B) moderate. C) critical. D) minor.
Return-to-play decisions for minor injuries are based on
a. the athlete's skill. b. the athlete's ability to play through pain. c. the athlete's ability to perform certain physical activities. d. both A and B.
A patient who presents with profound cyanosis following a chest injury:
A. should be placed in Trendelenburg's position. B. is most likely experiencing severe blood loss. C. has most likely experienced a ruptured aorta. D. requires prompt ventilation and oxygenation.