1
What scientist is credited with discovering penicillin in 1928?
Gregor Mendel
Galileo Galilei
Isaac Newton
Alexander Fleming
2
What 19th-century doctor is known for promoting handwashing to reduce the spread of disease in hospitals?
Ignaz Semmelweis
William Osler
Hippocrates
Edward Jenner
3
Which medical imaging technique, discovered in 1895, uses electromagnetic radiation to view inside the human body?
X-rays
Endoscopy
MRI scans
Ultrasound
4
What vaccine did Jonas Salk develop in the 1950s?
Yellow fever vaccine
Tuberculosis vaccine
Diphtheria vaccine
Polio vaccine
5
What discovery by Edward Jenner in 1796 laid the foundation for modern immunology?
The influenza vaccine
The polio treatment
The cholera vaccine
The smallpox vaccine
6
What molecule, discovered in 1953 by Watson and Crick, transformed genetics and medicine?
DNA's double helix structure
Protein synthesis mechanism
Lipids fatty acid chains
Gene expression mapping
7
Who discovered the blood types A, B, AB, and O in 1901?
Karl Landsteiner
Robert Koch
Louis Pasteur
John B. Watson
8
What type of medication, discovered in the 20th century, is used to treat bacterial infections by killing or inhibiting bacteria?
Antiretrovirals
Antihistamines
Beta-blockers
Antibiotics
9
What hormone, discovered in 1921, revolutionized the treatment of diabetes?
Lactose
Ghrelin
Insulin
Glucose
10
Which scientist’s discovery of anesthesia in the mid-1800s allowed for painless surgery?
William Morton
Charles Darwin
Benjamin Franklin
James Watson
