Body Fluids and Circulation

The WBC count of a person's blood sample is 8000/cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately ?

1. 300 – 500/cu.mm and 500 – 700/cu.mm, respectively
2. 300 – 500/cu.mm and 1200 – 1500/cu.mm, respectively
3. 100 – 120/cu.mm and 160 – 200/cu.mm, respectively
4. 160 – 240/cu.mm and 1600 – 2000/cu.mm, respectively

Which of the following statements are correct? Choose the correct answer from the options given below:

1. C and E only
2. B and C only
3. A and B only
4. D and E only

Arrange the following formed elements in the decreasing order of their abundance in blood in humans: Choose the most appropriate answer from the options given below:

1. A, C, B, D, E
2. C, A, B, E, D
3. C, B, A, E, D
4. D, E, B, A, C

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

1. A only
2. A, C and D only
3. B and C only
4. D only

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

1. Erythrocytes
2. Leucocytes
3. Neutrophils
4. Thrombocytes

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

1. Fibrinogen in plasma
2. Haemocytes
3. Serum albumins
4. Serum globulins

Erythropoiesis starts in

1. spleen
2. red bone marrow
3. kidney
4. liver

Which one of the following is correct?

1. Lymph = Plasma + RBC + WBC
2. Blood = plasma + RBC + WBC + Platelets
3. Plasma = Blood - Lymphocytes
4. Serum = Blood + Fibrinogen

The figure shows a human blood cell. Identify it and give its characteristics. [Figure]

1. Blood cell Monocyte, Characteristics Life span of 3 days, produces antibodies
2. Blood cell B-lymphocyte, Characteristics Forms about 20% of blood cells involved in immune response
3. Blood cell Basophil, Characteristics Secretes serotonin, inflammatory response
4. Blood cell Neutrophil, Characteristics Most abundant blood cells, phagocytic

Which one of the following human organs is often called the "graveyard" of RBCs?

1. Gall bladder
2. Kidney
3. Spleen
4. Liver

The haemoglobin content per 100 mL of blood of a normal healthy human adult is

1. 5–11 g
2. 25–30 g
3. 17–20 g
4. 12–16 g

There is no DNA in

1. mature RBCs
2. a mature spermatozoan
3. hair root
4. an enucleated ovum.

Globulins contained in human blood plasma are primarily involved in

1. osmotic balance of body fluids
2. oxygen transport in the blood
3. clotting of blood
4. defence mechanisms of body.

The most active phagocytic white blood cells are

1. eosinophils and lymphocytes
2. neutrophils and monocytes
3. neutrophils and eosinophils
4. lymphocytes and macrophages

Which type of white blood cells are connected with the release of histamine and the natural anticoagulant heparin?

1. Eosinophils
2. Monocytes
3. Neutrophils
4. Basophils

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

1. Serum albumins
2. Fibrinogen in the plasma
3. Serum globulins
4. Haemocytes

Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?

1. Iron compounds
2. Thiamine
3. Folic acid and cobalamin
4. Riboflavin

Which statement is true for WBC?

1. Non-nucleated
2. In deficiency, cancer is caused
3. Manufactured in thymus
4. Can squeeze through blood capillaries