For these questions, choose the option that best completes the gap
The doctor listened to my heartbeat with a _______
A. cardiograph
B. stethoscope
C. chromometer
D. microscope
Correct Answer:
Option B – stethoscope
Explanation
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.