NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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In a hypertensive emergency, BP should be decreased by no more than what percent in the first hour?

  1. 10%

  2. 15%

  3. 25%

  4. 50%

The correct answer is: 25%

In a hypertensive emergency, it is important to decrease the blood pressure gradually and cautiously. A decrease of 10% or 15% may not be enough to alleviate the emergency while a decrease of 50% can cause further complications and even damage to the organs. Therefore, a decrease of 25% in the first hour is the most appropriate and safest option. Additionally, an overly fast or aggressive decrease in blood pressure can lead to hypotension and cause negative effects such as dizziness, fainting, or even stroke.

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