1
What scientist is credited with discovering penicillin in 1928?
Alexander Fleming
Galileo Galilei
Albert Einstein
Gregor Mendel
2
What 19th-century doctor is known for promoting handwashing to reduce the spread of disease in hospitals?
Samuel Hahnemann
Robert Koch
Ignaz Semmelweis
Hippocrates
3
Which medical imaging technique, discovered in 1895, uses electromagnetic radiation to view inside the human body?
Ultrasound
Nuclear imaging
Fluoroscopy
X-rays
4
What vaccine did Jonas Salk develop in the 1950s?
Hepatitis B vaccine
Polio vaccine
Flu vaccine
Diphtheria vaccine
5
What discovery by Edward Jenner in 1796 laid the foundation for modern immunology?
The tuberculosis antidote
The smallpox vaccine
The cholera vaccine
The rabies serum
6
What molecule, discovered in 1953 by Watson and Crick, transformed genetics and medicine?
Lipids fatty acid chains
DNA's double helix structure
Gene expression mapping
Protein synthesis mechanism
7
Who discovered the blood types A, B, AB, and O in 1901?
Karl Landsteiner
Albert Calmette
William Osler
Igor Tamm
8
What type of medication, discovered in the 20th century, is used to treat bacterial infections by killing or inhibiting bacteria?
Fibrinolytics
Antibiotics
Immunosuppressants
Antihistamines
9
What hormone, discovered in 1921, revolutionized the treatment of diabetes?
Insulin
Adrenaline
Ghrelin
Cortisol
10
Which scientist’s discovery of anesthesia in the mid-1800s allowed for painless surgery?
William Morton
Thomas Edison
Louis Pasteur
Albert Einstein
