lecture 7 A WBC

Question 1

THe WBCs are divided into 2 types—–

Question 2

what are the 3 types of granulocytes and what color do they stain using the romanowksy stains and what is heir pH ?

Question 3

what dye does each granulocyte take?

Question 4

percenatge of each WBC in the bood:

Question 5

normalyy — % of our neutrophiles are unsegmented

Answer 5

two

Question 6

increase in netrophiles in:
increase in lymphcytes in:
increase in monocytes in:
increase in eosinopiles in:
increase in basopiles suggestss:

Answer 6

1)bac infection+appendicities +myelegenous leukemia
2) viral infections
3)Brucellosis, Tuberculosis, Typhoid…
4)allergic reactions and parasitic infections
5)maliganancy like CML

Question 7

take one last look at monocytes table

Question 8

WBC differential count

Answer 8

the test done to differentiate between te types of WBCs per 100 WBCs it generally includes counting and
classifying 100 consecutive WBC(s) and reporting the results in percentage of white blood cells. PIC PAGE 5

Question 9

Differential counts are preformatted —- with the help of —–.

Answer 9

manually/ counlter counters

Question 10

wen te blood smear has been dried—

Answer 10

and been stained with Wright and Giemsa, the slide is placed on
a microscope and scanned at low power to find a good distribution of cells. A drop of oil is
placed on the slide and the cells are examined with the oil immersion objective. The percentage
of each type of white blood cell is determined.

Question 11

erythroblastosis

Answer 11

prescence of nucleated RBC s in PB

Question 12

erythroblastosis usually signals a —- in whic case it is accompanied wit—. nRBCs are counted —-

Answer 12

reenerative response by te BM to anemia/ reticulocytosis / by all ematoloy analyzers (reardless of tecnique) as WBCs so the WBC count must be corrected.

Question 13

Corrected WBC =

Answer 13

Corrected WBC = Uncorrected WBC Count x 100 ÷ (nRBC per 100 WBCs + 100)