study questions wk 6

Question 1

immature RBCs in order from least mature to most

Answer 1

1.rubriblast
2.prorubrictye
3.basophilic reticulocyte
4.polychromatophilic reticulocyte
5.metarubricyte
6.reticulocyte

Question 2

characteristics of rubriblast

Answer 2

-small round nucleus
-one or more nuclei
-small amount of basophilic cytoplasm

Question 3

characteristics of prorubricyte

Answer 3

-smaller than rubriblast
-slightly more dense basophilic cytoplasm
-no visible cytoplasm

Question 4

characteristics of basophilic rubricyte

Answer 4

-smaller than prorubricyte
-clumping nucleus
-basophilic

Question 5

characteristics of polychromatophilic rubricyte

Answer 5

more condensed and clumped nucleus than basophilic; pink cytoplasm

Question 6

characteristics of metarubricyte

Answer 6

-smallest cell
-condensed nucleus
-deep red cytoplasm
-cannot divide

Question 7

characteristics of reticulocytes

Answer 7

-immature RBC
-organelles
-polychromatophils
-small pieces remain (seen on blue stain)
-no nucleus seen

Question 8

it is normal for dogs and cats to have a small percentage of reticulocytes in their blood

Answer 8

true

Question 9

when are more immature forms of RBCs found in blood

Answer 9

older cell type; if hemorrhage or premature RBC destruction occurs

Question 10

if you see rubricytes on a blood smear it is likely there are multiple of what other 2 immature RBC types

Answer 10

metarubricytes and polychromatophils

Question 11

3 immature stage of thrombocytes from least mature to most

Answer 11

megakaryoblast
promegakaryocyte
megakaryocyte

Question 12

cells in the granulocyte series are divided into the proliferation pool and maturation pool. proliferation pool represents cells which are capable of mitosis:

Answer 12

myeloblasts
promyelocytes
myelocytes

Question 13

cells of maturation pool

Answer 13

band cells and (segmented granulocytes) metamyelocytes

Question 14

characteristics of myeloblasts

Answer 14

-large with round to oval nucleus
-prominent nucleolus
-pale blue-grey cytoplasm
-immature RBCs
-contain organelles

Question 15

characteristics of promyelocytes

Answer 15

-large
-pale staining
-prominent reddish granules
-no obvious nuclei

Question 16

characteristics of myelocytes

Answer 16

-smaller with round nucleus
-mature cell characteristics appear

Question 17

characteristics of metamyelocyte

Answer 17

similar to myelocyte but has indented nucleus

Question 18

characteristics of band cells

Answer 18

-horse shoe shaped; parallel sides; s-shaped or headphone shaped
-no segmentation
-thicker and larger nucleus

Question 19

characteristics of monoblasts

Answer 19

similar to myeloblasts but has irregular shaped nucleus

Question 20

characteristics of promonocytes

Answer 20

similar to myelocytes and metamyelocytes

Question 21

characteristics of lymphoblasts

Answer 21

-well-defined nuclear membrane
-one or two nucleoli
-the cytoplasm is small or moderate in amount
-gotten larger after being stimulated by an antigen

Question 22

characteristics of prolymphocytes

Answer 22

-clumped chromatin
-large prominent vesicular nucleolus
-abundant cytoplasm

Question 23

where do juvenile b lymphs mature

Answer 23

in bone marrow; specialized ileal Peyer patches, or bursa of Fabricius

Question 24

where do t lymphs mature

Answer 24

in thymus

Question 25

where do NK cells mature

Answer 25

bone marrow, thymus, or other lymphoid tissue

Question 26

how to report band cells in CBC report

Answer 26

included as part of 100 WBC count

Question 27

how to report metamyelocytes in CBC report

Answer 27

reported under abnormal morphology as total number seen

Question 28

how to report hyper segmented neutrophils in cbc report

Answer 28

reported as percent of neutrophils counted just like toxic segs would be

Question 29

which immature stage is the first stage where neutrophils, eosinophils, and basophils are distinguished as the identifying granules appear

Answer 29

myelocyte stage

Question 30

the general trend is for the ___ of the cell to become ___, the nuclear shape to go from ___ to increasingly ___, the nuclear width to become ____, and the cytoplasm to become less ___ as the cell matures

Answer 30

size; smaller; rounded; indented/segmented; narrowed; basophilic