TED-Ed: Ancient Rome’s most notorious doctor - Ramon Glazov

Andreas Vesalius discovered errors in Galen's anatomy texts, which described animal organs as human. Galen, a renowned physician, made significant contributions to anatomy but also held misconceptions, like the liver producing blood. His influence lasted 1,300 years, with his ideas dominating medical thought. Vesalius challenged Galen, leading to eventual corrections in medical understanding. The video highlights the importance of evidence over ego in science.

What was the shocking discovery made by Andreas Vesalius?

• The Four Humours theory was valid.

• The anatomy texts described organs of apes and other mammals.

• Galen's work was entirely accurate.

• The human anatomy texts were correct.

What was one of Galen's notable public demonstrations?

• He disproved the Four Humours theory.

• He performed surgery on a human cadaver.

• He caused a pig to lose its voice by tying off a nerve.

• He discovered the continuous circulation of blood.

Which organ did Galen believe controlled the body?

• The brain

• The kidneys

• The heart

• The liver

What was Galen's misconception about blood?

• Blood cycles continuously throughout the body.

• Blood is produced in the heart.

• Blood is stored in the brain.

• The liver produces an endless supply of blood.

What theory did Galen help solidify that was introduced by Hippocrates?

• The theory of evolution

• The theory of relativity

• The theory of the Four Humours

• The germ theory of disease

How long did Galen's ideas dominate medical thought?

• 500 years

• 1,300 years

• 50 years

• 200 years

What is a key lesson from the legacy of Galen's work?

• The Four Humours theory is still valid.

• Medical texts should never be challenged.

• All ancient theories are correct.

• Science should prioritize evidence over ego.