Body Fluids – Blood – 2:
Q. Which of these blood groups do not have a surface antigen?
A. A
B. B
C. AB
D. O
Answer: D
.
Q. What happens when blood groups are not compatible during blood transfusion?
A. Formation of eosinophils
B. Only neutrophils are destroyed
C. Destruction of RBCs
D. Formation of basophils
Answer: C
Q. Persons having which blood group are known as universal donors?
A. A
B. B
C. O
D. AB
Answer: C
Q. Which of these are present in the plasma of a person having ‘O’ blood group?
A. Anti-A and anti-B
B. Anti-A
C. Anti-B
D. Antibodies are absent
Answer: A
Q. Approximately what percentage of people are Rh positive?
A. 50%
B. 80%
C. 90%
D. 75%
Answer: B
Q. Which of these structures prevent the mixing of fetal blood with mother’s blood?
A. Amniotic fluid
B. Amnion
C. Placenta
D. Chorion
Answer: C
Q. What antibodies are formed when a Rh-negative mother bears a Rh-positive child?
A. Rh antibodies are formed in the mother
B. Rh antibodies are formed in the fetus
C. Rh antibodies are formed during the second pregnancy
D. Rh antibodies are formed in both
Q. Which of these does not happen to the baby during erythroblastosis fetalis?
A. Jaundice
B. Anemia
C. Swollen liver
D. High erythrocyte count
Answer: D
Q. How can erythroblastosis fetalis be avoided?
A. By administering Rh antibodies to the mother
B. By administering anti-Rh antibodies to the baby
C. By administering anti-Rh antibodies to the mother
D. By administering anti-Rh antibodies to both
Answer: C
Q. Fibrins trap destroyed formed elements during blood clotting. True or false?
A. True
B. False
Answer: A
Q. Which of these are not involved in the coagulation of blood?
A. Thrombin
B. Fibrin
C. Thrombokinase
D. Trypsinogen
Answer: D
Q. Where is prothrombin present?
A. Inside lymphocytes
B. Inside thrombocytes
C. In the plasma
D. On the surface of RBCs
Answer: C
Q. What is the network of threads in a coagulum known as?
A. Clot
B. Clotting factors
C. Fibrin
D. Formed elements
Answer: C
Q. Which of these activates fibrinogen?
A. Thrombin
B. Fibrin
C. Thrombokinase
D. Prothrombin
Answer: A
Q. Which of these ions play an important role in blood clotting?
A. Sodium ions
B. Calcium ions
C. Potassium ions
D. Phosphate ions
Answer: B
