Medical Inventions — Set 1
Inventions · चिकित्सा आविष्कार · Questions 1–10 of 80
Who is credited with the invention of the first successful smallpox vaccine in 1796?
Correct Answer: B. Edward Jenner
• **Edward Jenner** = developed the smallpox vaccine using the milder cowpox virus. • **1796** — marks the year of the first successful smallpox vaccine invention. • 💡 Wrong-option analysis: [Robert Koch]: known for identifying specific disease-causing bacteria like tuberculosis and cholera; [Louis Pasteur]: known for pasteurization and rabies vaccine development; [Jonas Salk]: developed the first injectable polio vaccine.
Which scientist discovered Penicillin, the world's first true antibiotic, in 1928?
Correct Answer: D. Alexander Fleming
• **Alexander Fleming** = discovered penicillin by observing its inhibitory effect on bacterial growth. • **1928** — marks the year Alexander Fleming accidentally discovered penicillin. • 💡 Wrong-option analysis: [Howard Florey]: instrumental in the development and mass production of penicillin; [Selman Waksman]: discovered streptomycin and coined the term 'antibiotic'; [Ernst Chain]: instrumental in the development and mass production of penicillin.
The stethoscope, a vital medical instrument for listening to internal sounds, was invented by whom?
Correct Answer: B. René Laennec
• **René Laennec** = invented the stethoscope to listen to internal body sounds. • **1816** — the year René Laennec invented the first stethoscope. • 💡 Wrong-option analysis: [Joseph Lister]: pioneered antiseptic surgery; [Hippocrates]: considered the 'Father of Medicine'; [William Harvey]: known for describing blood circulation.
Who developed the first effective injectable polio vaccine in the early 1950s?
Correct Answer: D. Jonas Salk
• **Jonas Salk** = developed the first effective injectable polio vaccine. • **1950s** — refers to the decade when Salk's polio vaccine was developed and introduced. • 💡 Wrong-option analysis: [Maurice Hilleman]: developed numerous other important vaccines like measles and mumps; [Louis Pasteur]: known for pasteurization and vaccines like rabies; [Albert Sabin]: developed the oral polio vaccine (OPV).
Which scientist is known for developing the process of pasteurization to kill harmful bacteria in food and milk?
Correct Answer: C. Louis Pasteur
• **Louis Pasteur** = developed the process of pasteurization to kill harmful bacteria in food and milk. • **1860s** — the decade when Louis Pasteur developed and established the process of pasteurization. • 💡 Wrong-option analysis: [Robert Koch]: discovered the bacteria for tuberculosis and cholera; [Antonie van Leeuwenhoek]: known as the 'Father of Microbiology' for observing microbes; [Alexander Fleming]: discovered penicillin.
The discovery of X-rays, which revolutionized internal medical imaging, was made by?
Correct Answer: D. Wilhelm Conrad Röntgen
• **Wilhelm Conrad Röntgen** = discovered X-rays, which revolutionized internal medical imaging. • **1895** — the year Röntgen discovered X-rays while experimenting with vacuum tubes. • 💡 Wrong-option analysis: [Nikola Tesla]: known for his contributions to alternating current electricity; [Isaac Newton]: known for his laws of motion and universal gravitation; [Marie Curie]: known for her pioneering research on radioactivity.
Who is considered the 'Father of Antiseptic Surgery' for introducing carbolic acid to sterilize wounds?
Correct Answer: D. Joseph Lister
• **Joseph Lister** = introduced carbolic acid to sterilize wounds, pioneering antiseptic surgery. • **1867** — the year Lister first published his groundbreaking work on antiseptic surgery. • 💡 Wrong-option analysis: [Ignaz Semmelweis]: advocated hand hygiene in obstetrics to prevent puerperal fever; [Florence Nightingale]: a pioneer of modern nursing; [Charles Darwin]: known for his theory of evolution by natural selection.
The first human heart transplant was performed in 1967 by which surgeon?
Correct Answer: B. Christian Barnard
• **Christian Barnard** = performed the first human heart transplant. • **1967** — the year of the first successful human heart transplant performed by Barnard. • 💡 Wrong-option analysis: [Robert Jarvik]: known for developing the Jarvik-7 artificial heart; [John Hunter]: a pioneer in experimental surgery; [Michael DeBakey]: a renowned cardiac surgeon who developed innovative surgical techniques.
Who discovered the structure of DNA, along with James Watson and Maurice Wilkins?
Correct Answer: B. Francis Crick
• **Francis Crick** = co-discovered the double helix structure of DNA along with James Watson and Maurice Wilkins. • **1953** — the year Crick and Watson published their groundbreaking model of DNA's structure. • 💡 Wrong-option analysis: [Gregor Mendel]: known as the 'Father of Genetics' for his work on heredity; [Charles Darwin]: known for his theory of evolution by natural selection; [Linus Pauling]: proposed an incorrect triple-helix model for DNA, but known for other molecular structures.
The electrocardiogram (ECG), used to monitor heart rhythm, was invented by?
Correct Answer: C. Willem Einthoven
• **Willem Einthoven** = invented the electrocardiogram (ECG) to monitor heart rhythm. • **1903** — the year Einthoven developed the first practical string galvanometer, leading to the ECG. • 💡 Wrong-option analysis: [Thomas Edison]: known for inventions like the light bulb and phonograph; [Guglielmo Marconi]: a pioneer of long-distance radio transmission; [James Watt]: known for his improvements to the steam engine.