A conscious and alert 32-year-old was assaulted and struck in the jaw with a baseball bat. He complains of tremendous jaw pain and exhibits an unstable mandible. His airway is patent, breathing adequate, and radial pulse normal. In caring for this patient and his injury, you would:
A) insert an oral airway to stabilize the jaw.
B) suction the airway to provide airway patency.
C) start positive pressure ventilation.
D) immobilize to a long spine board.
D
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The definition of a ________ is the amount of heat (energy) required to raise the temperature of 1 kg of water by 1º Celsius (C)
a. lipid b. protein c. fat d. calorie
Which of the following statements regarding deterioration of steel at elevated temperatures is MOST accurate?
A) Typical fires generate enough heat to melt steel. B) Some degree of failure of unprotected steel should be anticipated with temperatures of a typical fire. C) Steel loses its strength quickly at a temperature of 1000°F (538°C). D) Failure of unprotected steel depends solely on the intensity of the exposing fire.
The pupil is:
A) the hole through which light passes. B) the colored portion of the eye. C) sensitive to bright light. D) both A and C.
When the heart is still beating but is too weak to circulate blood, this is referred to as ____.
A. cardiovascular collapse B. cardiovascular instability C. cardiac standstill D. cardiac enervation