NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is a concern when using drosperinone containing formulations like Yasmin 28 and Yaz?

  1. Increased risk of calcium deficiency

  2. Decreased potassium levels

  3. Increased risk of clotting and a need to monitor potassium

  4. No need to monitor kidney function

The correct answer is: Increased risk of clotting and a need to monitor potassium

Concerns when using drospirenone-containing formulations like Yasmin 28 and Yaz include an increased risk of clotting and a need to monitor potassium levels. This is because drospirenone, a synthetic hormone found in these formulations, can have a progestational effect on the body and increase the risk of blood clots. Therefore, it is important for individuals taking these medications to regularly monitor their potassium levels and discuss any concerns with their healthcare provider. Options A, B, and D are incorrect because they do not relate to the specific concern regarding drospirenone-containing formulations.