An Rh –ve person, when exposed to Rh +ve blood:
1. | will form antibodies against the Rh antigen |
2. | will be unaffected |
3. | will form antibodies against the Rh antigen only on second exposure |
4. | will receive anti Rh antibodies from the donor |
Identify the incorrectly matched pair:
1. | Plasma protein | – | 6 to 8 % |
2. | Formed elements | – | 55% of the blood |
3. | Hemoglobin | – | 12 to 16 gm in 100 ml of blood |
4. | Platelets | – | 150000 to 350000 mm-3 |
When anti B antibodies are present in the plasma and A antigens on the surface of RBCs of a person, her blood group can be:
1. | A and AB | 2. | Only A |
3. | Only B | 4. | O |
The least common of WBCs in the human blood are:
1. | Eosinophils | 2. | Lymphocytes |
3. | Neutrophils | 4. | Basophils |
The enzyme that activates fibrinogens in the blood is:
1. | Thromboplastin | 2. | Thrombokinase |
3. | Thrombin | 4. | Plasmin |
A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group:
1. | A and O | 2. | AB, A, B and O |
3. | B and O | 4. | Only O |
To prevent eryhtroblastosis fetalis in future pregnancies:
1. | Anti-Rh Immunoglobulins must be given to Rh –ve mothers at the time of each delivery |
2. | Anti-Rh Immunoglobulins must be given to new born at the time of each delivery |
3. | Rh Antigens must be given to new born at the time of each delivery |
4. | Anti Antigens must be given to Rh –ve mothers at the time of each delivery |
Match the plasma proteins in Column I with their function in Column II and select the correct answer from the codes given:
Column I | Column II | ||
A. | Albumins | a. | Hemostasis |
B. | Globulins | b. | Transport carriers and immunity |
C. | Fibrinogen | c. | Colloid osmotic pressure |
Codes:
A | B | C | |
1. | a | b | c |
2. | a | c | b |
3. | b | a | c |
4. | c | b | a |
The second most common formed elements in the human blood are:
1. | Proteins | 2. | Water |
3. | RBC | 4. | Thrombocytes |
Which of the following ions is vital for coagulation of blood?
1. | Na+ | 2. | Ca++ |
3. | K+ | 4. | H+ |