Question

summarizing informational texts—quiz — level e
taylor rosenthal with his vending machine
catherine wong is another young patent holder. while she was in high school, she became concerned about people who live far away from health-care providers. catherine invented a way to bring medical care to these people. she created a new kind of stethoscope that uses cell-phone technology. someone can place a cell phone on a patients chest or back, 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.
which is the best summary of this part of the passage?
catherine patented an invention that lets doctors hear a patients heart and lungs.
catherine patented an invention that lets patients track their own heartbeats.
catherine patented an invention that lets patients talk to doctors on a cell phone.
catherine patented an invention that lets doctors operate on a patients heart and lungs.

Explanation:

The passage states Catherine invented a cell-phone based stethoscope that lets distant doctors listen to a patient's heart or lungs, and she patented this device. We match this to the correct option by eliminating others: the invention doesn't track patient heartbeats, enable patient-doctor calls, or allow remote surgery.

Answer:

A. Catherine patented an invention that lets doctors hear a patient's heart and lungs.