Blood

Question 1

pH of blood?

Answer 1

7.4

Question 2

Approx volume blood in an healthy adult?

Answer 2

5-5.5 litres

Question 3

Percentage of blood cells in blood?

Answer 3

45%
Rest 55% is plasma

Question 4

Constitution of blood cells?

Answer 4

RBC WBC and Platelets (thrombocytes)

Question 5

Constitution of plasma?

Answer 5

Water 92%
Protein 6-7%
Others subs: glucose, urea, minerals, Na, K

Question 6

Production site of blood cells and platelets?

Answer 6

Red bone marrow

Question 7

Life span of RBC?

Answer 7

120 days

Question 8

Life span of WBC?

Answer 8

10-15 days

Question 9

Life span of platelets?

Answer 9

5-9 days

Question 10

In which blood cell is nucleus present?

Answer 10

WBC
absent in RBC
Platelets are fragments of a cell

Question 11

Function of RBC?

Answer 11

Transportation of oxygen

Question 12

Function of WBC?

Answer 12

Immune system

Question 13

Function of platelets?

Answer 13

Blood clotting

Question 14

Another name for RBC?

Answer 14

Erythrocytes

Question 15

Another name for WBC?

Answer 15

leukocytes

Question 16

Another name for platelets?

Answer 16

Thrombocytes

Question 17

Number of in healthy person: RBC?

Answer 17

5.5 million male
4.5 million female

Question 18

Number of in healthy person: WBC

Answer 18

10000

Question 19

Number of in healthy person: platelets?

Answer 19

4 lakh

Question 20

In which animals are nucleated RBC present?

Answer 20

Camels and llama

Question 21

Shape of RBC?

Answer 21

Biconcave

Question 22

Where is RBC stored?

Answer 22

Spleen

Question 23

What is known as blood bank and graveyard of RBC?

Answer 23

Spleen

Question 24

Decrease in number of RBC per mm3 of blood is called what disease?

Answer 24

Anaemia

Question 25

disease caused by Increase in number of RBC is called?

Answer 25

Polycythaemia aka blood cancer

Question 26

in which kind of locations does polycythaemia occur?

Answer 26

High altitudes (Also in pregnancy condition)

Question 27

Which metal pigment is haemoglobin? What is its colour?

Answer 27

Iron. Violet.

Question 28

What gives haemoglobin its red colour?

Answer 28

Hb + O2

Question 29

How many oxygen molecules does 1 haemoglobin molecule carry?

Answer 29

4

Question 30

How much oxygen in 100 ml of blood?

Answer 30

20 ml

Question 31

What is methaemoglobin?

Answer 31

In haemoglobin, when Fe+2 is oxidised to Fe+3, its called

Question 32

Two types of WBCs?

Answer 32

Granulocytes and Agranulocytes

Question 33

What are the three granulocytes of WBCs?

Answer 33

Neutrophil Acidophil Basophil

Question 34

2 agranulocytes of WBCs?

Answer 34

Lymphocytes and Monocytes

Question 35

Which is the largest WBC?

Answer 35

Monocyte

Question 36

Which is the smallest WBC?

Answer 36

Lymphocyte

Question 37

What is reduced in AIDS?

Answer 37

Lymphocytes

Question 38

2 types of lymphocytes?

Answer 38

B lymphocytes T lymphocytes

Question 39

Where do B lymphocytes and T lymphocytes form?

Answer 39

Bone marrow B thymus T

Question 40

Where do B lymphocytes and T lymphocytes mature?

Answer 40

B : bone marrow T: thymus

Question 41

Process of formation of RBCs is called?

Answer 41

Erythropoiesis

Question 42

Process of formation of WBC is called?

Answer 42

Leukopoiesis

Question 43

Process of formation of platelets is called?

Answer 43

Thrombopoiesis

Question 44

Process of formation of blood is called

Answer 44

Haemopoiesis

Question 45

Haemocytometer used for

Answer 45

Measure blood cell

Question 46

Erythrocytometer is used for

Answer 46

Measure the number of red blood cells

Question 47

Leucocytometer is used for

Answer 47

To measure the number of white blood cells

Question 48

What is cytosis?

Answer 48

When number of blood cells increase

Question 49

What is cytopenia?

Answer 49

When number of blood cells decrease

Question 50

What is erythrocytosis

Answer 50

Increase in number of RBC

Question 51

What is erythrocytopenia

Answer 51

Decrease in number of RBC

Question 52

where does the blood formation occur in the fetus?

Answer 52

in liver in humans it occurs in the bone marrow but in the fetus, the blood is formed in liver