Measuring Blood Pressure

Blood pressure is measured using a device called a sphygmomanometer (Greek sphygmos = “pulse”). It consists of an inflatable cuff to restrict blood flow, a manometer to measure the pressure, and a method of determining when blood flow begins and when it becomes impeded. Since its invention in 1881, it has been an essential medical device.

Q. The word its refers to …

Select the Correct Answer:
A method
A manometer
An inflatable cuff
A sphygmomanometer

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15 Reading Questions for TOEFL Prep - Group 4

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