Which debilitating brain disorder commonly causes changes in personality, mood, or behavior and for which there is no cure?
A. Degenerative joint disease
B. Cataracts
C. Hypertension
D. Bone cancer
E. Alzheimer's disease
Answer: E
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Which of the following best describes why the occupants of a vehicle moving at 50 miles per hour will be injured when the vehicle strikes a tree, but not when it brakes to a stop?
A) Braking allows the kinetic energy to be absorbed evenly into the frame of the vehicle, rather than concentrating it at the point of impact. B) The energy gradually dissipates as heat due to the friction of braking, rather than transferring to the vehicle and its occupants. C) The inertia of the tree increases the kinetic energy transmitted to the occupants by a factor of 10. D) None of the above describes why.
You are on the scene of a 50-year-old male who lacerated his arm on a sheet of plate glass. He is pale, diaphoretic, and mumbling incoherently. You have controlled an arterial bleed with direct pressure. His blood pressure is 70/40, pulse 120, and respiratory rate of 28. Which of the following signs is the most concerning?
A) Respiratory rate B) Tachycardia C) Altered mental status D) Blood pressure
Which of the following ventilators is unaffected by the use of heliox, whatever the FIO2?
a. Dräger E-4 b. Servo 300 c. Hamilton Galileo d. Puritan Bennett 840
A container holds 32.5 milliliters of medication. How many full 1.5 milliliter doses can be administered from this container?
What will be an ideal response?