Unit 9- White Blood Cells

Question 1

White blood cells are larger than

Answer 1

Red blood cells

Question 2

What do white blood cells have that red blood cells do not?

Answer 2

Nucleus

Question 3

White blood cells are __________________ than RBC

Answer 3

Less numerous

Question 4

Do you not have a definite ___________

Answer 4

Shape

Question 5

What is the function of white blood cells?

Answer 5

Fights against infection

Question 6

What helps white blood cells fight infection?

Answer 6

• phagocytic

- produces antibodies

Question 7

What are the two groups of white blood cells

Answer 7

Granulocytes and agranulocyte

Question 8

Types of granulocytes

Answer 8

Basophils
Neutrophil
Eosinophil

Question 9

Where do granulocytes develop?

Answer 9

Red bone marrow

Question 10

How long do granulocytes last?

Answer 10

They are short-lived about 12 hours

Question 11

What is the most common white blood cell?

Answer 11

Neutrophils

Question 12

Neutrophils are comprised of what percentage of the leukocytes?

Answer 12

54% to 62%

Question 13

How many lobes does the nuclei neutrophil have?

Answer 13

2 to 5 lobes

Question 14

Neutrophils are the first to arrive at the infection site, what do they ingest?

Answer 14

Ingest bacteria virus particles fungi or protozoa

Question 15

Cytoplasmic granules of neutrophils are usually very _______ and faint to observe

Answer 15

Fine

Question 16

How many lobes does eosinophils have?

Answer 16

They are bi-lobed. And uniform sized cytoplasmic granules

Question 17

Eosinophils are comprised of only______ of the leucocytes

Answer 17

3%

Question 18

Eosinophils job

Answer 18

Moderates allergic reactions and defends against parasitic worm infestation’s

Question 19

Basophils are comprised less than ______ of the circulating white blood cells

Answer 19

1%

Question 20

Basophils are __________ then other granulocytes

Answer 20

Smaller

Question 21

Why are basophils easy to identify?

Answer 21

Because of their numerous granules in the cytoplasm

Question 22

Basophils job

Answer 22

They discharge their granules containing histamine and heparin into damaged tissue spaces to promote inflammation and blood flow to damaged areas

Question 23

What are the agranulocytes

Answer 23

Monocytes and lymphocytes

Question 24

Agranulocyte Lack __________ in their cytoplasm

Answer 24

Granules

Question 25

What percentage of circulating white blood cells are monocytes comprised of?

Answer 25

Comprised of 2 to 8% of circulating white blood cells

Question 26

Monocytes are twice the size of….

Answer 26

Red blood cells

Question 27

How long do monocytes live?

Answer 27

Travel in the blood for about a day before exiting

Question 28

The migrating monocytes are big ___________

Answer 28

Eaters

Question 29

Monocyte function

Answer 29

They develop into macrophages that phagocytose bacteria and degree in the tissues

Question 30

Lymphocytes are easy to recognize because

Answer 30

They have a large nucleus that occupies most of the cell

Question 31

How long do you lymphocytes live

Answer 31

Can live for years

Question 32

What percentage of white blood cell population are lymphocytes comprised of

Answer 32

25% to 33% of the white blood cell population

Question 33

Lymphocytes are only slightly bigger than _________________

Answer 33

Red blood cells

Question 34

Why are natural killer cells important

Answer 34

They are important in cancer prevention

Question 35

What are the two types of natural killer cells

Answer 35

B cell and

T cell

Question 36

T cells job

Answer 36

Directly attack foreign and tumour cells

Question 37

B cells job

Answer 37

Produce antibodies to attack foreign cells or proteins