MDCAT Physics MCQ #928

MDCAT Physics MCQ #928

1. Question 1

   Q1. A patient undergoes a pacemaker implantation procedure. What is the purpose of the pacemaker?

   • A) To convert chemical energy into electrical energy
   • B) To convert electrical energy into chemical energy
   • C) To regulate the patient's heart rate
   • D) To monitor the patient's blood pressure

   Answer: To regulate the patient's heart rate

   Explanation: The pacemaker regulates the patient's heart rate by generating electrical impulses to stimulate the heart muscle.