Who is credited with the discovery of penicillin, the first antibiotic? Louis Pasteur Marie Curie Alexander Fleming Joseph Lister None Which medical breakthrough is attributed to Edward Jenner in 1796? X-rays Smallpox vaccine Insulin MRI scanner None What was the key discovery that made blood transfusions safe and effective? Invention of antibiotics Identification of blood types Discovery of penicillin Development of anesthesia None Which invention allowed surgeons to perform complex procedures with less pain for patients? MRI machines Stethoscope Anesthesia Bandages None Who developed the polio vaccine that led to the near eradication of the disease? Jonas Salk Albert Einstein Sigmund Freud Charles Darwin None Time's up
