The recommended dose of Lanoxin is 0.25–1.0 mg IV. At doses in excess of 1.5 mg, Lanoxin becomes toxic. A drug's margin of safety—the range between an effective dose and a lethal dose—is known as the:

A) physiologic dosing regimen.
B) drug toxicity level.
C) therapeutic index.
D) none of the above


Answer: C

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The evaluation of objective data, such as response times, adherence to protocols, and patient survival, is emphasized by:

a. hospital categorization. c. peer reviews. b. QA programs. d. research programs.

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The movement of the mandible from a centric position to a lateral or protrusive position is called ____________

a. lateral excursion b. lateral protrusion c. lateral retrusion d. centric occlusion

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The complete destruction of all living organisms is accomplished by _______________.

Fill in the blank(s) with the appropriate word(s).

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A 1:200 (V/V) solution of isoproterenol would be given by:

A. 1 mL of isoproterenol/100 mL of sterile water. B. 1 mL of isoproterenol/200 mL of solution. C. 1 mL of isoproterenol/200 mL of sterile water. D. 1 g of isoproterenol/200 mL of sterile water.

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