Blood Study Questions Flashcards

0
Q

What is normal hematocrit for females?

A

37-48%

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1
Q

What is normal hematocrit for males?

A

42-54%

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2
Q

What is the pH of blood?

A

7.35-7.45

slightly alkaline

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3
Q

What is average blood volume for males?

A

5-6 liters

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4
Q

What is average blood volume for females?

A

4-5 liters

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5
Q

What percent of your body weight does blood make up?

A

8%

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6
Q

How much is a unit of blood?

A

1/2 liter

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7
Q

How long do erythrocytes live for?

A

~120 days

~4 months

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8
Q

At what rate are erythrocytes produced?

A

2.5 million cells per second

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9
Q

What is normal RBC count for males?

A

5.1-5.8 million per cubic mL

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10
Q

What is normal RBC count for females?

A

4.3-5.2 million per cubic mL

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11
Q

In which bones does erythropoiesis occur?

A

Humerus, femur, ribs, sternum, pelvis, and portions of the skull

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12
Q

What is the technical name for platelets?

A

Thrombocytes

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13
Q

Platelets are fragments of what cell?

A

Megakaryocytes

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14
Q

What is normal platelet count?

A

130,000-360,000 per cubic mL

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15
Q

What is normal leukocyte count?

A

5,000-10,000 per cubic mL

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16
Q

What are the five major kinds of leukocytes?

A

Neutrophils, lymphocytes, monocytes, eosinophils, and basophils

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17
Q

Which leukocytes are granulocytes?

A

Neutrophils, eosinophils, and basophils

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18
Q

Which leukocytes are agranulocytes?

A

Lymphocytes and monocytes

19
Q

What is the function of eosinophils?

A

Increase in number in response to parasitic infection.

Granules stain red with eosin.

20
Q

What is the function of basophils?

A

Contain histamine.

Base-loving granules that stain blue with hematoxylin.

21
Q

What is the function of neutrophils?

A

Among the first to respond to inflammatory stimuli.

Phagocytize foreign material.

22
Q

What percentage of WBC count do neutrophils make up?

A

54-62%

23
Q

What is another name for neutrophils?

A

Polymorphonuclear cells (PMNs)

24
Q

What are the three major types of lymphocytes?

A

B cells, T cells, and NK cells

25
Q

What is the function of B cells?

A

Produce antibodies

26
Q

What are the three types of T cells?

A

Cytotoxic (CD8+), helper (CD4+), and suppressor (CD4+)

27
Q

What is the function of NK cells?

A

Destroy cells that lack normal receptors

28
Q

What is the function of monocytes?

A

Can differentiate into macrophages, which eat foreign material

29
Q

What percentage of blood volume does plasma compose?

A

~55%

30
Q

What is the difference between plasma and serum?

A

Serum is plasma that is lacking fibrinogens

31
Q

What percent of plasma do proteins comprise?

A

~8%

32
Q

What are the three protein components of plasma?

A

Albumins, globulins, and fibrinogens

33
Q

What is the most abundant protein component of plasma, and how much does it make up?

A

Albumins comprise ~60% of the protein component of plasma

35
Q

What are fibrinogens?

A

Large proteins that play a role in clotting

36
Q

What is the function of albumins?

A

Gives blood the viscosity needed to maintain blood volume and temperature

37
Q

Where is albumin produced?

A

The liver

38
Q

What are the three types of globulins?

A

α (alpha), β (beta), and γ (gamma)

39
Q

What is the function of α (alpha) globulins?

A

Assist in transporting lipids, including fat soluble vitamins (A, D, E, and K)

40
Q

Where are α (alpha) globulins produced?

A

Synthesized in the liver

41
Q

What is the function of β (beta) globulins?

A

Assist in transporting lipids, including fat soluble vitamins (A, D, E, and K)

42
Q

Where are β (beta) globulins produced?

A

Synthesized in the liver

43
Q

What is the function of γ (gamma) globulins?

A

They are antibodies

44
Q

Where are γ (gamma) globulins produced?

A

Produced by B cells

45
Q

What are the other components of blood?

A

Water, inorganic salts, carbohydrates, proteins, lipids, amino acids, hormones, vitamins

46
Q

Where are fibrinogens produced?

A

The liver