____, a freezing of tissue, is an example of a localized cold injury.
A. Hypothermia
B. Frostbite
C. Cold diuresis
D. Hyperthermia
Answer: B
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On an electrocardiogram, which of the following represents ventricular depolarization and re-polarization?
a. P–R interval c. ST segment b. Q–T interval d. QRS complex
Which of these is a life-threatening arrhythmia that results in no cardiac output?
A. Atrial fibrillation B. PVCs C. Ventricular fibrillation D. Bundle branch block E. Ventricular tachycardia
The physician ordered 120 mg of a drug that is available only in 30 mg tablets. How many tablets constitute the correct dose?
3 4 6 12
You are treating a construction worker who has been assembling large, iron girders with a torch. It is very warm where you are treating the patient. Suddenly, he experiences a severe cramp to his shoulder region. This has probably occurred because the patient:
A) may have dislocated his shoulder during the activity. B) lost both water and sodium in his sweat. C) is probably not strong enough to maneuver the iron girders. D) was not sweating enough to keep him cool.