How many milligrams are equivalent to one grain?
0.015 mg
0.3 mg
0.15 mg
65 mg
65 mg
Rationale: 65 mg are equivalent to one grain. The grain is the only unit that is equal throughout the various systems of measurement such as the apothecary and avoirdupois systems.
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Displacement of the bones of a joint is known as:
a. a dislocation. b. a fracture. c. circumduction. d. dorsiflexion.
Which statement made by an EMT shows that he understands the major cause of death in the prehospital setting for a burn patient?
A) "Most burn patients who die before getting to the hospital die of airway or bleeding problems, not the burn itself." B) "Most patients who die before getting to the hospital die from burn shock, caused by massive fluid loss from the burns." C) "The most common cause of death for burn patients in the prehospital setting is infection, which can be minimized by applying a sterile burn sheet." D) "Burn patients most often die before reaching the hospital from the increased body temperature caused by the heat of the burns."
Care must be taken with potassium-sparing diuretics because they may cause:
A. cirrhosis B. hyperkalemia C. edema D. hypokalemia
Cardiologists perform cardiac catheterization, angioplasty, and stent placements in the:
A) hospital. B) office. C) both A and B. D) neither A nor B.