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Laboratory Procedures 2 > Ch. 10 Evaluating Blood Smears > Flashcards

Ch. 10 Evaluating Blood Smears Flashcards

1
Q

Eosin stain is used to stain the _______ components of the cells

A

Basic

eosin stain is acidic

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2
Q

Methyelen blue is used to stain the ______ components of the cells

A

acidic

methylene blue is alkaline - basic

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3
Q

What is the feathered edge?

A

the area of the blood smear which contains cells that are greatly distorted and erratically distributed

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4
Q

What is the monolayer?

A

The area of the blood smear where the cells are evenly and randomly distributed – the area where the blood cell count is done

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5
Q

How are the RELATIVE WBC %s calculated?

A

By counting the cells on the smear

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6
Q

How are the ABSOLUTE WBC %s calculated?

A

By multiplying the total WBC count by the relative % of each cell type

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7
Q

What are the 3 main functions of WBCs?

A
  1. Phagocytosis
  2. Release of substances that modulate the immune system
  3. Production of antibodies
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8
Q

What is the primary function of neutrophils?

A

Phagocytosis

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9
Q

What is neutrophilia? What does it indicate?

A

High neutrophil count

Indicates infection or inflammation

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10
Q

In avian/reptile species what cell is equivalent to the neutrophil?

A

the heterophil

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11
Q

What does a band neutrophil look like?

A

A neut where the nucleus looks like a horseshoe with large rounded ends

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12
Q

What is the primary function of eosinophils?

A

modulation of the immune system

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13
Q

What is eosinophilia? What does it indicate?

A

increased eosinophils

indicates allergic reactions / parasites

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14
Q

What is the primary function of basophils?

A

Mediation of the immune system

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15
Q

What is basophilia? What does it indicate?

A

increased basophils

variety of inflammatory and infectious conditions

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16
Q

What is the primary function of lymphocytes?

A

Producing antibodies

17
Q

What is lymphocytosis? What does it indicate?

A

increased lymphocytes

usually indicates viral infection

18
Q

What is the primary function of monocytes?

A

Phagocytosis

19
Q

What is monocytosis? What does it indicate?

A

increased monocytes

seen in a variety of chronic infections

20
Q

What do dog RBCs look like?

A

biconcave discs with area of central pallor

21
Q

What do cat RBCs look like?

A

round with little to no central pallor

22
Q

How do avian/reptile RBCs differ from other animals RBCs?

A

they are nucleated

23
Q

what shape RBCs do camelids have?

A

Oval / elliptical

24
Q

Platelets are also called ______?

A

Thrombocytes

Laboratory Procedures 2 (8 decks)

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