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Questions and Answers
What is the main function of an absorbable gelatin sponge in stopping bleeding?
What is the main function of an absorbable gelatin sponge in stopping bleeding?
- It acts as a biological agent to promote clotting
- It mechanically seals off the blood vessel
- It applies physical pressure to the bleeding site (correct)
- It uses chemical compounds to cauterize the wound
Which Russian physician is credited with performing the first successful blood transfusion?
Which Russian physician is credited with performing the first successful blood transfusion?
- Botkin (correct)
- Wolf
- Pirogov
- Yansky
In what year did Karl Landsteiner discover the three main blood groups (A, B, and O)?
In what year did Karl Landsteiner discover the three main blood groups (A, B, and O)?
- 1907
- 1901
- 1905 (correct)
- 1906
What is the Rhesus factor?
What is the Rhesus factor?
In which blood group do red blood cells contain no agglutinogens?
In which blood group do red blood cells contain no agglutinogens?
Which blood group contains agglutinin alpha and agglutinogen B in its serum?
Which blood group contains agglutinin alpha and agglutinogen B in its serum?
What is the recommended dilution of standard serum for blood typing?
What is the recommended dilution of standard serum for blood typing?
Which of the following is NOT necessary for determining the Rhesus factor?
Which of the following is NOT necessary for determining the Rhesus factor?
At what level of blood loss (as a percentage of total blood volume) is a blood transfusion necessary?
At what level of blood loss (as a percentage of total blood volume) is a blood transfusion necessary?
What is the maximum storage duration for citrated whole blood at a temperature of +4°C to +6°C?
What is the maximum storage duration for citrated whole blood at a temperature of +4°C to +6°C?
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