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⭐️raj vigya > Blood > Flashcards

Blood Flashcards

1
Q

pH of blood?

A

7.4

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2
Q

Approx volume blood in an healthy adult?

A

5-5.5 litres

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3
Q

Percentage of blood cells in blood?

A

45%
Rest 55% is plasma

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4
Q

Constitution of blood cells?

A

RBC WBC and Platelets (thrombocytes)

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5
Q

Constitution of plasma?

A

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

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6
Q

Production site of blood cells and platelets?

A

Red bone marrow

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7
Q

Life span of RBC?

A

120 days

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8
Q

Life span of WBC?

A

10-15 days

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9
Q

Life span of platelets?

A

5-9 days

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10
Q

In which blood cell is nucleus present?

A

WBC
absent in RBC
Platelets are fragments of a cell

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11
Q

Function of RBC?

A

Transportation of oxygen

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12
Q

Function of WBC?

A

Immune system

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13
Q

Function of platelets?

A

Blood clotting

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14
Q

Another name for RBC?

A

Erythrocytes

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15
Q

Another name for WBC?

A

leukocytes

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16
Q

Another name for platelets?

A

Thrombocytes

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17
Q

Number of in healthy person: RBC?

A

5.5 million male
4.5 million female

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18
Q

Number of in healthy person: WBC

A

10000

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19
Q

Number of in healthy person: platelets?

A

4 lakh

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20
Q

In which animals are nucleated RBC present?

A

Camels and llama

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21
Q

Shape of RBC?

A

Biconcave

22
Q

Where is RBC stored?

A

Spleen

23
Q

What is known as blood bank and graveyard of RBC?

A

Spleen

24
Q

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

A

Anaemia

25
Q

disease caused by Increase in number of RBC is called?

A

Polycythaemia aka blood cancer

26
Q

in which kind of locations does polycythaemia occur?

A

High altitudes

(Also in pregnancy condition)

27
Q

Which metal pigment is haemoglobin? What is its colour?

A

Iron. Violet.

28
Q

What gives haemoglobin its red colour?

A

Hb + O2

29
Q

How many oxygen molecules does 1 haemoglobin molecule carry?

A

4

30
Q

How much oxygen in 100 ml of blood?

A

20 ml

31
Q

What is methaemoglobin?

A

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

32
Q

Two types of WBCs?

A

Granulocytes and Agranulocytes

33
Q

What are the three granulocytes of WBCs?

A

Neutrophil
Acidophil
Basophil

34
Q

2 agranulocytes of WBCs?

A

Lymphocytes and Monocytes

35
Q

Which is the largest WBC?

A

Monocyte

36
Q

Which is the smallest WBC?

A

Lymphocyte

37
Q

What is reduced in AIDS?

A

Lymphocytes

38
Q

2 types of lymphocytes?

A

B lymphocytes
T lymphocytes

39
Q

Where do B lymphocytes and T lymphocytes form?

A

Bone marrow B
thymus T

40
Q

Where do B lymphocytes and T lymphocytes mature?

A

B : bone marrow
T: thymus

41
Q

Process of formation of RBCs is called?

A

Erythropoiesis

42
Q

Process of formation of WBC is called?

A

Leukopoiesis

43
Q

Process of formation of platelets is called?

A

Thrombopoiesis

44
Q

Process of formation of blood is called

A

Haemopoiesis

45
Q

Haemocytometer used for

A

Measure blood cell

46
Q

Erythrocytometer is used for

A

Measure the number of red blood cells

47
Q

Leucocytometer is used for

A

To measure the number of white blood cells

48
Q

What is cytosis?

A

When number of blood cells increase

49
Q

What is cytopenia?

A

When number of blood cells decrease

50
Q

What is erythrocytosis

A

Increase in number of RBC

51
Q

What is erythrocytopenia

A

Decrease in number of RBC

52
Q

where does the blood formation occur in the fetus?

A

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

⭐️raj vigya (23 decks)

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