According to the American College of Surgeons, an injured patient should be transported to a Level I trauma center if his or her:
A) heart rate is greater than 100 beats/min.
B) systolic blood pressure is less than 90 mm Hg.
C) respiratory rate is less than 14 breaths/min.
D) Glasgow Coma Scale score is less than 15.
Answer: B) systolic blood pressure is less than 90 mm Hg.
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__________________ anesthesia is induced with the drug ketamine, which blocks sensory neurotransmission and associative pathways
A. Sedation C. General B. Regional D. Dissociative
What definition best describes the concept of afterload?
A) Pressure that the left ventricle must pump blood against to open the aortic valve B) Ability of the heart to adequately contract and pump blood out of the pulmonic valve C) Amount of blood that a person has in the arteries at any given moment D) Amount of blood returned to the lungs for oxygenation by the right ventricle