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Hematology II Lab > WBCs descriptions and normal ranges > Flashcards

WBCs descriptions and normal ranges Flashcards

1
Q

Large round or Oval nucleus
Fine, homogeneous/uniform chromatin
1 to 5 nucleoli
Cytoplasm medium to dark blue with possible a few granules

A

Myeloblast

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2
Q

Slightly larger than myeloblast
Mostly same characteristics as myeloblast EXCEPT for many nonspecific/primary, Azurophilic (reddish-purple) granules
Nucleoli less prominent (1 to 3)
Cytoplasm usually blue

A

Promyelocyte

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3
Q
  • Last stage capable of mitosis since it is last to have nucleoli
  • Round or barely indented nucleus with one or no nucleoli
  • Condensed chromatin early on, cytoplasm mostly blue, & 1 area is pinkish (“dawn of neutrophilia”)
  • Later on, cytoplasm is bluish-pink, then grayish-pink still has some red-purple azurophilic granules pale pink secondary/specific granules begin, may blend in with cytoplasm
A

Myelocyte

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4
Q
  • Indented, kidney-bean shaped nucleus
    (Indented < 1/2 width)
  • Very dense chromatin
  • Cytoplasm grayish-pink to pink
  • Small pinkish to purple granules, may blend in with cytoplasm
A

Metamyelocyte

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5
Q

horseshoe-shaped nucleus
(Indented more than 1/2 width)
pink cytoplasm
small pinkish granules, may blend in with cytoplasm
clumpy chromatin

A

Band

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6
Q

A large cell with high N:C ratio (4:1)

A

Blast “myeloblast”

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7
Q

Prominent primary granules (azurophilic)
N:C ration of 3:1

A

Promyelocyte

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8
Q

“Dawn of neutrophilia”
- Nucleus more condensed with chromatin clumped and starting to “round up” with one flatter side

A

Myelocyte

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9
Q

Last stage capable of mitosis

A

Myelocyte

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10
Q

Kidney bean or peanut-shaped

A

Metamyelocyte

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11
Q

Large N:C ratio
Scanty cytoplasm
Cytoplasm is weakly basophilic, homogenous and clear without inclusions

A

Lymphocytes

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12
Q

Responsible in viral infections
Have abundant cytoplasm (light blue)

A

Large lymphs

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13
Q

Normal total WBC count
- Newborns (0-2 weeks)

A

5000 - 21000

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14
Q

Normal total WBC count
- Children up to 4 years

A

4500 - 15500

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15
Q

Normal total WBC count
- Adults

A

5000 - 10000

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16
Q

Normal range for smudge cells

17
Q

Normal range for segs (%)
- Newborns and Adults

18
Q

Normal range for segs (%)
- Children up to 4 years

19
Q

Normal range for bands (%)
- Newborns (0-2 weeks)

20
Q

Normal range for bands (%)
- children up to 4 and Adults

21
Q

Normal range for Lymphs (%)
- Children up to 4 years old

22
Q

Normal range for Lymphs (%)
- Newborns

23
Q

Normal range for Lymphs (%)
- Adults

24
Q

Normal range for Monos (%)
- All ages

A

0 - 15 ish

  • Newborns 0-15
  • children 0-10
  • Adults 0-12

Hematology II Lab (5 decks)

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