Peripheral Blood Cells

Question 1

m

Answer 1

m

Question 2

m

Answer 2

m

Question 3

What changes take place with blood cells during an infection?

Answer 3

During viral infection, lymphocyte numbers will rise
During bacterial and fungal infections, neutrophil counts will rise, including bands and less mature cells

Occasional exceptions include

• —Pertussis – increase in cleaved lymphs
• —–Leukemias and lymphomas

Question 4

Changes in WBC count/diff with age? newborns? children?

Answer 4

Newborns have elevated WBC counts

Children have higher lymphocyte counts than adults

Question 5

Smear review, wbc estimate?

Answer 5

40X
Select the area of the slide to review

WBC estimate
(WBCs per hpf) X 2000 = white count

Question 6

What type of cell is this?

Answer 6

Neutrophils:

Size and Shape:
---10-16 um
Nucleus
---2-5 lobes connected by narrow filament
---N/C ratio 1:3-1:5
---Dark purple
----Clumped chromatin
---No nucleoli
Cytoplasm - Light pink to blue
----Many small evenly distributed pink to rose-violet granules