For these questions, choose the option that best complete the gap(s)

The doctor listened to my heartbeat with a .........

  • A cardiograph
  • B stethoscope
  • C chromometer
  • D microscope

The correct answer is B. stethoscope

stethoscope; a medical instrument for listening to the action of someone's heart or breathing, typically having a small disc-shaped resonator that is placed against the chest, and two tubes connected to earpieces.

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