WBC diff count

Question 1

Size: Average of 12 um.
Generally smaller than monocytes and eosinophils, larger than lymphocytes

Answer 1

neutrophils

Question 2

Has a **multilobed ** (3-5 lobes) nuclei and has lilac-colored granules in the cytoplasm

Answer 2

neutrophils

Question 3

• Younger forms of a neutrophil
• Frequently the nuclei assumes a U-shape
• Reported separately in the differential count

Answer 3

Band Neutrophil

Question 4

neutrophil has a normal value of?

Answer 4

60 - 70 %

Question 5

Usually increased in bacterial infections

Answer 5

neutrophils

Question 6

Size: Average 13 um. Generally slightly larger than the neutrophil, larger than the basophil and smaller than a monocyte.

Answer 6

eosinophils

Question 7

• Bilobed nuclei
• Large red granules in the cytoplasm

Answer 7

eosinophils

Question 8

eosinophil has a normal value of

Answer 8

3-5 %

Question 9

Increased in drug allergies and parasitic infections.

Answer 9

eosinophils

Question 10

Size: Generally smaller than neutrophils, eosinophils and monocytes
* bilobed or trilobed nuclei

Answer 10

basophils

Question 11

has large basophilic (dark blue) granules that are haphazardly arranged in the cytoplasm.

Answer 11

basophils

Question 12

basophil has a normal value of?

Answer 12

0-1%

Question 13

Size: 14 to 20 um. The largest of the leukocytes. Two to three times the diameter of an RBC

Answer 13

monocytes

Question 14

Single nuclei, partially lobulated, deeply indented or horseshoe shaped.

Answer 14

monocytes

Question 15

Abundant light gray cytoplasm sometimes with vacuolation

Answer 15

monocytes

Question 16

monocytes has a normal value of?

Answer 16

1-4%

Question 17

Size:** 6-10 um.** Generally smaller than the neutrophil, eosinophil, monocyte and the basophil.

Answer 17

lymphocytes

Question 18

Round nuclei that is deeply stained blue with visible chromatin.

Answer 18

lymphocytes

Question 19

lymphocyte has a normal value of?

Answer 19

20-30%

Question 19

• Sometimes the nuclei is indented.
• Scant to abundant cytoplasm generally without granules.

Answer 19

lymphocytes

Question 20

• Usually larger than the normally seen leukocytes.
• Have a large, blue nuclei with scant cytoplasm.
• When one sees these these cells are counted as unidentified and should be referred for further evaluation

Answer 20

Blast Cells/Immature Cells

Question 21

formula

Absolute Neutrophil Count

Answer 21

(% Neutrophils) x (WBC Count)

Question 22

formula

Absolute Lymphocyte Count

Answer 22

(% Lymphocytes) x (WBC Count)

Question 23

formula

Absolute Eosinophil Count

Answer 23

(% Eosinophils) x (WBC Count)

Question 24

give a picture of the actual number of a particular leukocyte.

Answer 24

absolute counts

Question 25

objectives

LPO

Answer 25

10X

Question 26

objectives

HPO

Answer 26

40x

Question 26

objectives

scanner

Answer 26

5x

Question 27

objectives

Oil Immersion Objective

Answer 27

100xl