The invention of the common medical diagnostic device known as the blood pressure cuff (Sphygmomanometer) was optimized by whom? MCQ with Answer and Explanation

Question

The invention of the common medical diagnostic device known as the blood pressure cuff (Sphygmomanometer) was optimized by whom?

A. Scipione Riva-Rocci and Harvey Cushing

B. Willem Einthoven

C. René Laennec

D. Joseph Lister

Answer: Option A

Solution (By JKSSB Mock Tests)

Riva-Rocci introduced the mercury arm-cuff design in 1896, and neurosurgeon Harvey Cushing popularized it globally.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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Who invented the first mass-produced synthetic plastic material, Bakelite, in 1907?

A. John Wesley Hyatt

B. Leo Baekeland

C. Alexander Parkes

D. Wallace Carothers

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Correct Answer: Option B

Explanation:
Belgian-American chemist Leo Baekeland invented Bakelite, the first fully synthetic plastic valued for its electrical non-conductivity.

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Question #2

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Who invented the first practical alternating current (AC) motor and power transmission system?

A. George Westinghouse

B. Michael Faraday

C. Thomas Edison

D. Nikola Tesla

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Correct Answer: Option D

Explanation:
Nikola Tesla patented the AC induction motor and polyphase system, which revolutionized long-distance electrical grid power distribution.

This question belongs to: Static General Knowledge Inventions and Discoveries