Identifying different types of WBC

Question 1

What 4 things to look at to identify a WBC

Answer 1

Size
Appearance of cytoplasm
Shape of nucleus
Staining characteristics

Question 2

Description of neutrophils

Answer 2

Fine
Purple staining cytoplasmic granules
A nucleus with 2-5 lobes
Comprise 50-70%of leukocytes- string phagocytes

Question 3

Description of Eosinophils

Answer 3

Have some granules
Stain deep red
Bilobed nucleus
Makes up 1-3% of circulating leukocytes- kill certain parasites and moderate inflammation

Question 4

Description of basophils

Answer 4

Fewer granules than eosinophils
stain blue
Account for 1% of leukocytes
Promote inflammation by secreting heparin and histamine

Question 5

What do argamulocytes not have?

Answer 5

gramular cytoplasm, have a longer life span

Question 6

What are the two types of argamulocytes?

Answer 6

Monocytes and lymphocytes

Question 7

Description of monocytes

Answer 7

Lowest circulating blood cells
lifespan weeks-months
strong phagocytes-migrate to same tissues and differentiate into macrophages

Question 8

Description of lymphocytes

Answer 8

Long lived 
Smallest WBC
Large round nucleus 
25-33% of leukocytes 
Responsible for immunity, attach specific foreign pathogens

Question 9

What is WBC count

Answer 9

3,500 to 10,500 mm3

Can change under abnormal conditions

Question 10

What is granulocytes

Answer 10

Have granular cytoplasm short life span (12hrs)