Blood Typing — Questions and answers
Read the full story
What big problem did Karl Landsteiner try to solve in 1900?
Choices
- A) Why some people got sick from eating food.
- B) Why blood transfusions were often deadly. ✓
- C) How to build tall buildings in Vienna.
- D) How to make new medicines for colds.
Answer: B) Why blood transfusions were often deadly.
From page 1
Before Karl Landsteiner's discoveries, what did most doctors believe about human blood?
Choices
- A) They believed all human blood was exactly the same. ✓
- B) They thought blood could change colors.
- C) They knew about different blood types already.
- D) They thought blood was not important.
Answer: A) They believed all human blood was exactly the same.
From page 3
How did Karl Landsteiner decide to find the answer to the blood mystery?
Choices
- A) He asked all his friends what they thought.
- B) He believed the problem was outside the blood itself.
- C) He thought the differences were inside the blood and he'd observe carefully. ✓
- D) He hoped someone else would find the answer.
Answer: C) He thought the differences were inside the blood and he'd observe carefully.
From page 4
What was a key part of Karl Landsteiner's experiment with blood samples?
Choices
- A) He mixed different kinds of food together.
- B) He systematically mixed red blood cells from one person with serum from another. ✓
- C) D) He tried to make the blood glow in the dark.
- D) He only looked at blood from animals.
Answer: B) He systematically mixed red blood cells from one person with serum from another.
From page 5
What did Karl Landsteiner discover by carefully watching blood samples?
Choices
- A) That all blood was exactly the same.
- B) That blood always clumped together.
- C) That there were distinct groups of blood (like A, B, and O). ✓
- D) That blood could turn into water.
Answer: C) That there were distinct groups of blood (like A, B, and O).
From page 6
Who was one of the first doctors to use Landsteiner's ideas to make blood transfusions safer?
Choices
- A) Dr. Karl Landsteiner himself.
- B) Dr. Reuben Ottenberg in New York. ✓
- C) A nurse in Vienna.
- D) General Dwight D. Eisenhower.
Answer: B) Dr. Reuben Ottenberg in New York.
From page 8
What helped make blood typing become widely accepted and used quickly?
Choices
- A) People wanted to know their blood type for fun.
- B) Major wars, like World War I and II, showed it saved many lives. ✓
- C) Doctors decided it was a good idea just because.
- D) Blood banks gave away free blood type tests.
Answer: B) Major wars, like World War I and II, showed it saved many lives.
From page 9
What special award did Karl Landsteiner receive for discovering blood typing?
Choices
- A) A medal for the best scientist in Vienna.
- B) The Nobel Prize. ✓
- C) A new microscope.
- D) A big party in his honor.
Answer: B) The Nobel Prize.
From page 10