Ch. 12 Additional Hematologic Tests

Question 1

What is a reticulocyte?

Answer 1

an immature RBC that contains organelles (ribosomes) that are lost as the cell matures

Question 2

What 2 types of reticulocytes do cats have?

Answer 2

Aggregate and Punctate

Question 3

What type of reticulocytes should be left out of the retic count for cats for an accurate result?

Answer 3

Punctate retics should NOT be counted

Question 4

What is the reticulocyte count useful for?

Answer 4

assessing the bone marrow’s repsonse to anemia

useful in known anemic animals

Question 5

Persistent or unexplained pancytopenia, neutropenia or thrombocytopenia, nonregenerative anemia would all warrant evaluation of what?

Answer 5

Bone marrow

Question 6

What diseases is bone marrow evaluation used to stage?

Answer 6

Neoplastic disease and parasitic diseases (leishmaniasis, ehrlichiosis)

Question 7

What type of cells are present in bone marrow?

Answer 7

Myeloid, Erythroid

also a small # of basos and eos

Question 8

What are the main 2 types of erythroid cells?

Answer 8

rubricytes and metarubricytes

Question 9

What are the 3 main types of myeloid cells?

Answer 9

metamyelocytes, bands, and segmented myeloid cells

Question 10

There should be a normal myeloid to erythroid cell ratio (M:E ratio) between ______

Answer 10

0.75:1 and 2:1