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Clinical Lab Procedures > WBC > Flashcards

WBC Flashcards

1
Q

-cytosis

A

increase in something

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2
Q

-penia

A

decrease in something

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3
Q

-philia

A

increase in something

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4
Q

Why would a WBC be falsely elevated?

A

NRBCs

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5
Q

What is Diff Quick also called?

A

Roman Owsky

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6
Q

What cell do all blood cells arise from?

A

PPSC (pluripotent stem cell)

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7
Q

All WBC with the exception of Lymphocyte arise from what stem cell?

A

Myeloid stem cell

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8
Q

Lymphocytes arise from what stem cell?

A

Lymphoid stem cell

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9
Q

When a left shift is present, which WBC is present in the blood?

A

band neutrophils

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9
Q

What can a Myeloid mature into?

A

basophil, eosinophil, neutrophil

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10
Q

Why would bands be present?

A

inflammation, hemolytic anemia, primary bone marrow disorder

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11
Q

How often are neutrophils replaced?

A

approx. 2.5 times a day

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12
Q

What is the most common granulocyte?

A

neutrophils

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13
Q

What is the first line of defense against invasion of antigens?

A

neutrophils

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14
Q

What does a left shift neutrophilia suggest?

A

suggests acute inflammation

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15
Q

What is a right shift neutrophilia?

A

increase in the numbers of hypersegmented neutrophils

16
Q

Why would a patient have neutropenia?

A

sudden demand, decrease in bone marrow production, viral diseases, transfusions, neoplasia

17
Q

What are Eosinophils also called?

A

acidophils

18
Q

What do Eosinophils control?

A

control allergic reaction by deactivating histamine

19
Q

Why would an Eosinophil count be elevated?

A

presence of allergic reaction or parasites

20
Q

How often are Eosinophils replaced?

A

once a day

21
Q

What is the least abundant WBC seen in the blood?

A

Basophils

22
Q

Why would Basophilia be seen?

A

hyperlipemia, allergic responses and chronic IgE response

23
Q

Lymphocytes are important for ______________.

A

antibody production

24
Q

How long does it take for a basophil to develop?

A

3-7 days

25
Q

What is the life span of a Basophil?

A

10-12 days

26
Q

Why would a patient have an increase of lymphocytes?

A

fear, excitement, chronic conditions, leukemias, lymphosarcoma

27
Q

Why would a patient have a decrease of lymphocytes?

A

steroids, FeLV, FIV, impaired lymphopoiesis

28
Q

Why would a patient have an increase in monocytes?

A

stress, increased steroid level, severe infection

29
Q

What is the maturation process of Myeloid stem cells?

A

Myeloblast, Promyelocyte, Myelocyte, Metamyelocyte, Band Neutrophil, Segmented Neutrophil

Clinical Lab Procedures (13 decks)

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