Human Physiology Multiple Choice Questions on “Body Fluid and Circulation – Blood Groups”.
1. How many types of blood groups are present?
A. 1
B. 2
C. 3
D. 4
Answer: D
Clarification: There are four types of blood group present. They are A, B, O and AB type.
2. Which of the following blood group is considered a universal donor?
A. A
B. B
C. AB
D. O
Answer: D
Clarification: Blood group O is considered are universal donor. The Rh negative blood is given to Rh negative patients and Rh positive blood or Rh negative blood are given to Rh positive patients. O negative is considered as universal donor.
3. The antigens for ABO and Rh blood groups are present on ____________
A. plasma
B. white blood cells
C. red blood cells
D. platelets
Answer: C
Clarification: Red blood cells are the most common type of blood cells and principle means of delivering oxygen. The antigens for blood groups are present on RBCs.
4. Which of the following blood group is referred as a universal recipient?
A. A
B. B
C. AB
D. O
View Answer
Answer: C
Clarification: Blood group AB is referred as a universal recipient. They can receive donated blood of any ABO blood group.
5. What are the two blood tests?
A. Rh and ABB
B. ABO and Rh
C. ABO and Rn
D. ABC and Rh
View Answer
Answer: B
Clarification: The two blood tests are ABO and Rh type. ABO test determines the blood group. Rh test determines if it is positive or negative.
6. What is the process of transfer of human blood known as?
A. Transfusion
B. Processing
C. Transporting
D. Transferring
Answer: A
Clarification: Blood transfusion is the process of receiving blood or blood products into ones circulation intravenously. It is used in various medical conditions to replace the lost component of blood.
7. Which is the rarest blood group?
A. AB negative
B. AB positive
C. O negative
D. O positive
View Answer
Answer: A
Clarification: AB negative is the rarest blood group. It is seen only in 1% of the US population.
8. Who discovered blood groups?
A. Thomas Cooley
B. Karl Landsteiner
C. Camillo Golgi
D. Ernst Haecker
View Answer
Answer: B
Clarification: Karl Landsteiner discovered ABO blood group system. He is an Austrian scientist. It was discovered in 1900.
9. Rh group was discovered in _________
A. 1930s
B. 1940s
C. 1950s
D. 1960s
View Answer
Answer: B
Clarification: The Rh factor was discovered in 1940 by Karl Landsteiner and A.S. Wiener. It is known as the rhesus factor.
10. If the blood group of an individual is A then the antibody present is _________
A. Anti B antibodies
B. Anti A antibodies
C. Anti O antibodies
D. Anti OA antibodies
Answer: A
Clarification: If the blood group of an individual is A then the antibody present is Anti B antibodies. It is present on RBCs.
11. Which blood type can be transfused to the individual whose blood type is unknown?
A. AB positive
B. AB negative
C. O positive
D. O negative
View Answer
Answer: D
Clarification: O negative blood type can be transfused to individual whose blood type is unknown since it is a universal donor blood group. Only6.6% of population has O negative blood group.
12. In determining phenotype of ABO system ___________
A. O is dominant over A
B. B is dominant over A
C. O is recessive
D. A is dominant over O
Answer: c
Clarification: In determining the phenotype of ABO system O is recessive. A and B are dominant over O.
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