MACE Medication Assistant Exam Prep

Category - Pharmacological

What effect can beta-blockers have on the cardiovascular system?

  1. Diminished lung capacity
  2. Lower maximum heart rate
  3. Increased chance of blood clots in the lung
  4. Improve lactic threshold
  5. All of the above
Explanation

Answer: B - Especially in seniors, medications such as beta-blockers may cause a lower maximum heart rate. Patients should be aware of this, as it will impact, especially during cardiovascular activity.  Beta-blockers, also called beta-adrenergic blocking agents, function by blocking the release of the stress hormones adrenaline and noradrenaline in certain body parts. This results in a slowing heart rate and reduces the force at which blood is pumped around your body.

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