Blood Donation and Blood Bank

Q.

The blood has __________ which circulates around the body and plugs the leaks by helping to clot the blood at these points of injury.

1. platelets

2. none of the above

3. white blood cells

4. red blood cells

Q.

The clotting factor in plasma is fibrinogen but we do not have clots in our blood vessels as we have a natural anticoagulant called:

1. Myosin

2. Suberin

3. Heparin

4. Albumin

Q.

Is heme blood?

Q. Which among the following cases require blood transfusion?

1. Thalassaemia
2. Diabetes
3. Anemia
4. Rickets

Q. Which one among the following is responsible for blood coagulation?

1. Plasma
2. RBC's
3. WBC's
4. Platelets

Q. Which among the following cases require blood transfusion?

1. Thalassaemia
2. Diabetes
3. Anemia
4. Rickets

Q. Which of the following has the similar composition as lymph?

1. Red blood cells
2. Blood plasma
3. White blood cells
4. Nutrients

Q. What happens when there is continuous bleeding ?

Q.

Assertion (A) – RBCs are circular and biconcave in shape lacking all cell organelles.

Reason (R) - Circular and biconcave shape increase the surface area for oxygen binding and the lack of organelles results in no self-utilisation of the oxygen being carried.

1. A is wrong but R is correct

2. Both A and R are wrong

3. Both A and R are correct and R is the correct explanation of A.

4. A is correct but R is wrong