Question

cheat or lack, and a doctor far away can listen to that persons heart or lungs. like taylor, catherine was quick to get a patent to protect her new device. the patent ensures that no one can steal the idea for catherines creative new stethoscope. catherine wang at the science talent search, a competition run by the society for science and the public. which is the best summary of this part of the passage? catherine patented an invention that lets patients track their own heartbeats. catherine patented an invention that lets doctors hear a patients heart and lungs. catherine patented an invention that lets doctors operate on a patients heart and lungs. catherine patented an invention that lets patients talk to doctors on a cell phone.

Explanation:

The passage mentions that Catherine patented a device which allows a doctor far away to listen to a person's heart or lungs. The second option accurately reflects this key point. The first option is incorrect as it says patients track their own heartbeats (passage says doctor listens). The third option is wrong as there's no mention of operating. The fourth option is incorrect as it's about talking on cell phone (not the case in passage).

Answer:

B. Catherine patented an invention that lets doctors hear a patient’s heart and lungs.