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[3Y1S] MT6318 > 01 LAB: WBC Differential Counts and Absolute Counts > Flashcards

01 LAB: WBC Differential Counts and Absolute Counts Flashcards

1
Q

The number of WBCs in 1 liter of blood

A

WBC differential count

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2
Q

An examination where the leukocytes are identified and counted

A

Differential count

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3
Q

The specimen of choice in differential count

A

Capillary blood

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4
Q

Lowest magnification where WBC is already observable/identifiable

A

10x

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5
Q

Average size of neutrophils

A

12 um

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6
Q

Number of lobes of neutrophils

A

3-5

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7
Q

Younger forms of neutrophil

A

Band neutrophil

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8
Q

Band neutrophils assume ___ or ___ shape

A

U or S

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9
Q

Normal value of neutrophils

A

60-70%

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10
Q

WBC increased during bacterial infections or stressful situations

A

Neutrophils

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11
Q

Average size of eosinophils

A

13 um

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12
Q

Number of lobes in eosinophils

A

2 (sometimes 3)

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13
Q

Normal value of eosinophils

A

3-5%

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14
Q

Increased WBC in drug allergies and parasitic infections

A

Eosinophils

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15
Q

Basophils are generally ___ (smaller or bigger) than neutrophils, eosinophils, and monocytes

A

smaller

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16
Q

Number of lobe in basophils

A

2-3

17
Q

Normal value of basophils

A

0-1%

18
Q

Average size of monocytes

A

14-20 um

19
Q

Largest leukocyte

A

Monocyte

20
Q

Monocyte is ___ to ___ times the diameter of an RBC

A

2-3

21
Q

Normal value of monocytes

A

1-4%

22
Q

Average size of lymphocyte

A

6-10 um

23
Q

Shape of lymphocyte nuclei

A

round

24
Q

Normal value of lymphocyte

A

20-30%

25
Q

Usually larger than the normally seen leukocytes

A

Blast cells/ immature cells

26
Q

When one sees blast cells/ immature cells, these should be counted as ___ and referred for ___ ___

A

unidentified
further evaluation

[3Y1S] MT6318 (16 decks)

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