NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What does 'Lo' indicate when referring to contraceptives?

  1. High dose of estrogen

  2. Iron supplement included

  3. Less than 35mcg of Estrogen

  4. A longer placebo cycle

The correct answer is: Less than 35mcg of Estrogen

'Lo' stands for 'low' and it indicates that the contraceptive contains less than 35mcg of estrogen. The other options are incorrect as they do not pertain to the amount of estrogen in the contraceptive. Option A mentions a high dose which is the opposite of 'low', option B mentions an iron supplement which is unrelated to 'Lo', and option D mentions a longer placebo cycle which does not indicate estrogen levels.