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ACC S23 > CLIN PATH - Exam 1 > Flashcards

CLIN PATH - Exam 1 Flashcards

1
Q

A hematocrit is ___.

A

the PCV, the HCT, the % of RBCs in the blood
(all of the above)

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2
Q

A reticulocyte count is not used to assess the bone marrow response to anemia in which species?

A

horse

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3
Q

List 3 things you could see on the blood smear of a patient that would suggest that the patient has a regenerative anemia.

A

Anisocytosis, polychromasia, reticulocytes, nucleated RBCs, HJ bodies

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4
Q

A technician needs to collect 1.5mL of blood. What size syringe should be used to collect the sample?

A

3mL

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5
Q

Which blood components are fragments of the cytoplasm of megakaryocytes?

A

Platelets

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6
Q

true/false: basophilic stipping in RBCs is called by residual RNA and is a common finding in immature RBCs of ruminants

A

TRUE

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7
Q

Basophilic staining RBC inclusions that represent remnants of nuclei are called ___.

A

Howell-Jolly bodies

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8
Q

List one non-biological variable that can create a laboratory error

A

sampling wrong patient, inadequate ratio of blood to anticoagulant, etc

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9
Q

true/false: a non-regenerative anemia is characterized by the presence of reticulocytes

A

False

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10
Q

The primary function of the monocyte is ___.

A

phagocytosis

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11
Q

Which vessel is the preferred blood source for venous blood in most species when a moderate to large amount of blood is needed?

A

jugular

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12
Q

plasma protein is measured and reported in what units

A

g/dL

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13
Q

An animal has a PCV of 60%. How much fluid should be expected from a 10mL sample?

A

4 mL

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14
Q

Blood should be refrigerated if hematologic tests will not be performed within ___ of collection

A

1 hr

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15
Q

avian RBCs differ from canine RBCs in that they ___

A

have a nucleus

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16
Q

A technician is asked to collect a blood sample and perform a manual CBC and cellular morphology analysis. Which is the preferred anticoagulant for the blood collection?

A

EDTA

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17
Q

Leukopenia is defined as ___

A

a decrease in WBCs

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18
Q

These WBCs are characterized by a horseshoe shaped nucleus

A

band neutrophils

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19
Q

A patient with a low MCV on the automated CBC would most likely have ___ RBCs compared to a normal patient

A

smaller

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20
Q

Which of the following would not necessarily be reduced when anemia is present?

A

WBCs

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21
Q

Which of the following types of WBCs always contain granules and are sometimes referred to as segs?

A

neutrophils

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22
Q

the ___ has a segmented nucleus and red or pink staining granules in the cytoplasm

A

eosinophil

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23
Q

what color vacutainer contains EDTA and is used for most hematology tests?

A

lavender (purple)

24
Q

how is the total magnification of the compound microscope determined

A

by multiplying the objective lens magnification by the ocular/eyepiece lens magnification

25
Q

which stain is used to visualize reticulocytes

A

NMB

26
Q

true/false: the PCV is the percentage of whole blood composed of leukocytes

A

FALSE

27
Q

the ___ measures the average size of RBCs

A

MCV

28
Q

macrophages may develop from ___ if exposed to a specific cytokine

A

monocytes

29
Q

list 2 types of centrifuges

A

clinical
horizontal
swing arm
microhematocrit

30
Q

___ might be seen on the blood smear of a patient with immune-mediated hemolytic anemia

A

spherocytes

31
Q

after the hematocrit tube is spun down, the buffy coat represent or is composed of

A

WBCs and platelets

32
Q

which WBCs are characterized by vacuoles in the cytoplasm

A

monocytes

33
Q

your patient is anemia (PCV reading 18%). your blood smear shows anisocytosis, polychromasia, and nucleated RBCs. this anemia can most likely be classified as ___.

A

regenerative anemia

34
Q

yellow serum or plasma can be described as

A

icteric

35
Q

an increase in immature neutrophils is called ___

A

a left shift

36
Q

if a patient has 75% neutrophils on the differential and the WBC count of 18,000/mcL, what is the absolute number of neutrophils present per mcL

A

.75 x 18,000 - 13,500/mcL

37
Q

plasma or serum has a milky appearance, what is this called?

A

lipemic

38
Q

a plasma or serum sample that has a red tinge to it would be described as ___

A

hemolyzed

39
Q

which nucleated erythrocyte is seen most frequently in peripheral blood smears

A

metarubricyte

40
Q

true/false: any objective on a microscope may be used with immersion oil

A

FALSE

41
Q

RBCs forming irreversible clumps on a microscope slide is called ___

A

agglutination

42
Q

list 4 basic items included on a CBC

A

RBC count, WBC count, platelet count, reticulocyte count
Hb measurement
relative WBC counts
RBC indices, platelet indices
TP, PCV

43
Q

whole blood is composed of fluid and cells. which of the following is the fluid component of whole blood?

A

plasma

44
Q

this condition is relatively common for the cat. it is a condition where denatured hemoglobin precipitates in the RBCs, known as ___

A

heinz bodies

45
Q

erythropoietin stimulates RBC production and is primarily produced in certain cells within which organ in the body?

A

kidney

46
Q

List 4 specific cell types that you can evaluate for on a blood smear

A

RBC, neutrophil, monocyte, lymphocyte, eosinophil, basophil, band neutrophil, platelet, metarubricyte

47
Q

the refractometer measures ___

A

USG and plasma TP

48
Q

what is the main difference in the sample preparation between a plasma sample and a serum sample?

A

clotting

49
Q

a variation in erythrocyte size is known as ___

A

anisocytosis

50
Q

a differential blood count is performed with the ___ objective on the microscope

A

100x

51
Q

which term refers to the constant and continual production of RBCs

A

erythropoiesis

52
Q

the hematocrit is read as the RBCs in whole blood

A

percentage

53
Q

polycythemia

A

increase in the number of circulating RBCs

54
Q

leukemia

A

describes neoplastic cells in the blood or bone marrow

55
Q

lymphopenia

A

a decrease in the number of lymphocytes

56
Q

pancytopenia

A

a decreased number of all blood cell types

ACC S23 (2 decks)

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