Questions and Answers
What is the average volume of blood in an adult?
5 quarts
Which of the following is NOT a component of blood?
Plasma
What happens to blood when an anticoagulant is added to it?
The liquid portion separates from the cellular elements
What is the liquid portion of blood called when no anticoagulant is added?
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Who described worms in blood in 1657?
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Study Notes
Blood Components and Characteristics
- The average volume of blood in an adult is approximately 5 liters.
Blood Components
- Blood is composed of various components, including plasma, red blood cells, white blood cells, and platelets.
- NOT a component of blood is:
- Worms (although they can be present in blood, they are not a normal component)
Effects of Anticoagulants
- When an anticoagulant is added to blood, it prevents the blood from clotting.
Plasma and Serum
- The liquid portion of blood is called plasma when an anticoagulant is added.
- When no anticoagulant is added, the liquid portion of blood is called serum.
Historical Discovery
- In 1657, Antonie van Leeuwenhoek was the first to describe worms (microorganisms) in blood.
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