A dose of 0.25 mg of a drug is equivalent to:
a. 250 mcg. c. 2.5 mcg.
b. 0.00025 mcg. d. 25 mcg.
ANS: A
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A Correct: To convert 0.25 mg to mcg, multiply 0.25 mg by 1000 or move the decimal point to the right three places.
B Incorrect: The decimal point was moved three places to the left instead of three places to the right.
C Incorrect: The decimal point was moved only one place to the right.
D Incorrect: The decimal point was moved only two places to the right.
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