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Clin Path 2 - Unit 1 > Lecture 4 > Flashcards

Lecture 4 Flashcards

1
Q

abbreviation for hematocrit

A

HCT

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2
Q

abbreviation for packed cell volume

A

PCV

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3
Q

abbreviation for total protein

A

TP

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4
Q

abbreviation for red blood cell

A

RBC

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5
Q

abbreviation for white blood cell

A

WBC

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6
Q

abbreviation for hemoglobin

A

Hb or Hgb

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7
Q

abbreviation for mean cell volume

A

MCV

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8
Q

abbreviation for mean cell hemoglobin

A

MCH

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9
Q

abbreviation for mean corpuscular hemoglobin concentration

A

MCHC

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10
Q

four things that make up the basic of a CBC

A

HCT/PCV and TP (hematocrit/packed cell volume and total protein

Hb (hemoglobin)

RBC count

Platelet count

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11
Q

what can cause inaccurate platelet and RBC results

A

platelets are beginning to clot and are clumping

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12
Q

Small cells

A

platelet clumps

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13
Q
A

macro platelets

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14
Q

what is packed cell volume (PCV) also know as

A

hematocrit (HCT)

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15
Q

what does the packed cell volume tell you

A

the percentage of whole blood composed of RBCs (the proportion of blood that is made up of cells)

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16
Q

two kinds of microhematocrit tubes

A

red ring - heparinized
blue ring - not treated

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17
Q

layers of the microhematocrit tube, from bottom to top

A

RBC
Buffy Coat
Plasma

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18
Q

what makes up the buffy coat

A

WBCs and platelets

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19
Q

what is used to measure the plasma protein concentration (TP)

A

refractometer

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20
Q

the value of the refractometer is measured in what units

A

g/dL

21
Q

how will lipemic samples effect the refractometer

A

false increases in total protein reading

22
Q

what is the functional unit of the RBC

A

hemoglobin

23
Q

break down hemoglobin…

heme globin

A

heme: contains iron

globin: amino acids

24
Q

what units is hemoglobin measured in

A

g/dL

25
Q

changes in Hb concentrations are usually proportional to changes in what

A

PCV

26
Q

how can you estimate hemoglobin in most species

A

PVC / 3

27
Q

erythrocyte indices help classify what

A

anemia

28
Q

how are erythrocyte indices calculated

A

other measured RBC parameters

29
Q

three calculations that make up the RBC indices of the CBC

A

MCV - Mean Cell (Or Corpuscular) Volume.
MCH - Mean Cell (corpuscular) Hemoglobin
MCHC - Mean Corpuscular Hemoglobin Concentration

30
Q

what is MCV (Mean Cell (Or Corpuscular) Volume)

A

average red blood cell size (volume)

31
Q

what is the MCH (Mean Cell (corpuscular) Hemoglobin

A

Mean weight of hemoglobin contained in the average RBC

32
Q

what is the MCHC - Mean Corpuscular Hemoglobin Concentration

A

Concentration of hemoglobin in the average RBC

33
Q

MCV Within normal range

A

normocytic

34
Q

MCV increased

A

macrocytic

35
Q

MCV decreased

A

microcytic

36
Q

MCHC normal

A

normochromic

37
Q

MCHC decreased

A

hypochromic

38
Q

four components of the leukogram of the CBC

A

Total WBC count
Leukocyte differential
absolute leukocyte counts
evaluation of leukocytes for abnormalities

39
Q

a mathematical index that describes the variation in RBC size, or anisocytosis.

A

red cell distribution width (RDW)

40
Q

variation in RBC size

A

Anisocytosis

41
Q

the sum concentration of all individual serum proteins

A

total protein

42
Q

A.

A

serum

43
Q

B.

A

buffy coat

44
Q

C.

A

red blood cells

45
Q

D.

A

clay

46
Q

E.

A

total volume

47
Q

F.

A

PCV

48
Q

how is Total Protein (TP) measured

A

g/dL (deciliter)

49
Q
A

Clin Path 2 - Unit 1 (13 decks)

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