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Veterinary Hematology Technology

Subjects : health-sciences, veterinary

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Leukocytozoon spp
What avian parasite am i describing... in RBC and WBC - round to elongated with gross host cell distortion and flattening of host nucleus along on side of cell
Explain the Diff Quick staining technique for avian hematology
What is the ratio of PSS to Packed RBCs in the RBC suspension?
The RBC morphology includes...

2. Liver and lymphoid tissue
what WBC do mast cells resemble
Where should you place your BTT sample if it is going to be looked at in <6 hours? in >6 hours?
What is a serum separator tube?
Where are immunoglobins made?

3. Aggregate
Define artifact
Fritz the cat - has an MCV of 45 - What term will I use for evaluation?
What do you look for to identify a lymphocyte?
Cats and Birds only count _________ retics in the retic tally

4. Something is mimicking what we are measuring
Define artifact
What are 3 examples of acquired secondary hemostasis defects
How many blood cells are counted when doing a WBC differential?
which animal would you use a 16ga needle in? How long is the needle?

5. It is the percent of a quantity of blood Which is made up of the red blood cells.
A platelet plug by itself is short lived and can only stop hemmorage but....
What 2 ways does a platelet form?
What does PTT and PT evaluate?
What is the definition of PCV?

6. Stage 1: one organ stage 2: stage 1 + regional lymph nodes stage 3: stage 2 + all lymph nodes stage 4: stage 3 + liver and spleen stage 5: stage 4 + BM and blood
In the minor reaction of the crossmatch - What do you add together?
What are the stages of lymphoid tumors?
Where are some sites to collect a BM sample?
What are some test to do to determine what % an animal is dehdrated?

7. Poikilocytosis
If an animal is 5-6% dehydrated At what route should you give fluids?
A platelet is a cytoplasmic fragment of a __________
What does the plt estimate evaluate?
Irregular shaped RBCs - this is the term used when other classifications do not describe the film.

8. Contact activation
What is the most dominant WBC in most birds
For the intrinsic pathway factors XII - XI - IX - VIII are activated by contact with collagen - endotoxin platelet products and other negatively charged substances. This process can be called ___ ___
These are cells that are spiculated with even small projections over the entire cell.
Platelets are always irrregular in shape - but what would an abnormally shaped platelet look like?

9. Room temperature
MCHC
List 2 venipuncture sites in the cow and the needle size for each
What is the minimum temperature that you should warm the blood before administering it?
These cells are only seen in dogs with anemia and is pathognomonic with IMHA. Small round evenly stained.

10. oval
This is seen with canine distemper virus and can be present on WBC - RBC - epithelial cells - would be in Plts but wont be able to see.
Irregular shaped RBCs - this is the term used when other classifications do not describe the film.
What is the mechanism of relative polycythemia and What is an example?
Mast cells have a _____ nucleus

11. Heparin - histamine - and eosinophilic chemotactic factor
What happens during aggregation
What do the granules of a mast cell contain
What color is a 16ga needle?
Platelet morphology includes...

12. Cutaneous ulnar vein (raptors/fowl)- <25ga - medial metatarsal vein- <25ga - jugular- <25ga
Name the 2 agranulocytes
list 3 venipuncture sites in a bird and the needle size for each
Why would we want an atraumatic venipuncture?
What is the rule when testing for a plasma cell tumor?

13. But temporary
MCHC
A vascular spasm is immediate...
What are the classifications of lymphoid tumors?
Endothelium and platelets produce What two factors?

14. Basophils
This RBC inclusion looks like small round dots that stain bluish - seen in dogs with lead poisoning.
What avian parasite am I describing.... a horseshoe or halter-shaped organism partially encircling but not displacing the host RBC nucleus
what WBC do mast cells resemble
Fibrinogen > __________

15. 37-55% - 30-45%
What test could be done to differentiate between rouleaux and agglutination?
What do you look for to identify a monocyte?
Clinical signs of primary hemostasis defects are.....
What is the normal range of a PCV for a dog? a cat?

16. They increase
What do lymphocytes do after vaccination or in young neonates?
What is the term you use when there is a lower than normal platelet count?
Why are monocyte numbers low in WBC differentials?
Fibrinogen measurment makes up what percent of the TP?

17. BM aspirate or BM core biopsy
List the venipuncture site in the horse and the needle size
What are the types of BM sample?
What is this the test of choice for?
Where does protein originate from?

18. Yes b/c they spill into the bloodstream
What is the defining cell of inflammation?
What is the normal range of a WBC ct for a dog? a cat?
What is the baseline information that you should obtain on your patient while the transfusion is taking place?
are mast cell tumors easy to diagnose in house? if so why?

19. Cat
How many blood cells are counted when doing a WBC differential?
What is the mech of absolute hyperproteinemia and an example
What is in each jar in the Wright's stain and What is the procedure of each jar?
Which species has uniform small rod eosinophil granules?

20. G/ld - rounded to the nearest 0.2
If the neutrophil nuclear immatures are high end of normal - what would you call this? low end of normal?
In the minor reaction of the crossmatch - What do you add together?
What is TP measured in?
What are some examples of soluble coagulation factors?? Cofactors??

21. Monocyte with a RBC inside it due to the monocyte engulfing it
What does erythrophagocytosis look like?
list 3 venipuncture sites in a bird and the needle size for each
What are some examples of acellular components of blood and What are their functions?
There are 2 types of lymphocytes What are their names? What are each used for?

22. 2 gtts donor RBC suspension and 2 gtts recipient plasma
What is a reactive lymph look like? What animals are they seen in?
In the major reaction of the crossmatch - What do you add together?
T/F myelodysplasia and erythodysplasia have...
Microsytosis is often seen in...

23. PO
What are the 3 parts of the platelet plug?
A vascular spasm is immediate...
What does the test thrombin time detect?
If an animal is under 4% dehydrated At what route should you give fluids?

24. Mycoplasma haemofelis (hemobartonella felis)
Which species has uniform small rod eosinophil granules?
This causes a sever often fatal anemia in cats that are usually FeLv pos.
What is a serum separator tube?
What color is a 18ga needle?

25. Thrombocytosis
What pool is located in the peripheral blood? What is it comprised of? How long do they circulate?
What is the only cell that has the ability to recirculate? How do they do this?
Name the 2 agranulocytes
What is the term you use when there is a higher than normal platelet count?

26. True deviation in the amount
Define absolute
What is the only species that has basophil granules uniform round pale blue gray?
What does MCHC stand for and what will it tell us?
What organ produces EPO?

27. Deficiency of vitamin K - Liver Dz/Failure - DIC
What are 2 examples of acquired fibrinolysis defects
Define relative
Give 2 examples of clot errors in collection of CBC/LTT
What are 3 examples of acquired secondary hemostasis defects

28. Red ring and black ring hematocrit tubes
What solution do you add to RBCs to resuspend them when doing a crossmatch? What is the fluid portion called after you spin it again? Why is this step important?
which hematocrit tubes contain heparin?
What does the FDP test detect?
During fibrinolysis unbound plasmin in inactivated and bound plasmin hydrolyzes fibrin producing ______

29. Cardiomyopathy in cats and HWD in dogs
What are 2 causes of roughened endothelium?
Fatal tick transmitted disease to the domestic cat. Bobcat is host.
why would we see an increase in eos on a BM aspirate with a patient with a mast cell tumor?
List at least 5 differences between avian and mammalian hematology

30. 100
This infectious agent looks like a cracked egg - seen in dogs - transmitted by the tick and causes anemia - emaciation and anorexia.
____________ is often seen in ruminants with cobalt deficiencies and poodles with defective erythrogenesis
What tube is used for all the sent our tests except FDPs?
How many blood cells are counted when doing a WBC differential?

31. Fill a DET tube - gently mix - set timer - keep in warm spot - check tube every 10 sec until clot forms stop timer
Fatal tick transmitted disease to the domestic cat. Bobcat is host.
What are the 2 causes of secondary absolute polycythemia?
What is the method for ACT?
What is the stimulus for RBC production?

32. VWB factor
Adhesion requires what factor?
What are the blood types of a cat?
If an animal is 5-6% dehydrated At what route should you give fluids?
What are some examples of soluble coagulation factors?? Cofactors??

33. Jugular- 18ga
How many blood cells are counted when doing a WBC differential?
What is the mech of absolute hyperproteinemia and an example
What is contained in the buffy coat?
List the venipuncture site in the horse and the needle size

34. Antigen or foreign protein
What is an example of decreased production?
What do monocytes do?
What is the stimulus for lymphocyte production?
This RBC inclusion looks like single very dark round spot on routine stain.

35. Not mixing upon intro - slow draw - dinking around - traumatic venipuncture
An example of acquired primary hemostasis defects (platelet plug part) is...
What are the 3 mechanisms of anemia?
What are the 2 types of histological patterns?
Give 2 examples of clot errors in collection of CBC/LTT

36. Hemorrhage- good for oxygen increasing and volume expansion
When would you use whole blood transfusion on your patient?
What are the 2 main proteins?
When would you use Cryopercipitate on your patient?
What are the blood types of a cat?

37. Thrombin - platelets
What are the indications for BM sampling
Mast cells have a _____ nucleus
What test would be run using blood from a RTT?
FDPs have anticoagulant activity Which blocks _______ and inhibits _______ from sticking

38. Amount is the same it just looks different (ex fish pond)
Define relative
What are the 4 names that can be given to the size of larger than normal platelets?
What is the side effect of glucocorticoids? Is EPO involved?
What are the 3 layers of a blood film?

39. Schistocytes
During secretion What does PF3 do?
These are small fragments of a RBC. Can be seen in a patient with DIC - iron deficiency or heartworms.
What organ produces EPO?
In avian hematology blood films are commonly made with ________

40. Liver Failure - DIC
What are 2 examples of acquired fibrinolysis defects
Define thromboembolic disorder
What infectious agent is seen in cattle with a tick infestation that causes severe anemia and icterus?
As a general rule - ____ is slightly better

41. Azurophilic granules in the cytoplasm
What is the Observed Retic Count Formula? Corrected Retic Count? Absolute Retic Count?
What granulocyte has a nucleus that is uniformly plump and spread out?
What is contained in the buffy coat?
What does granular cytoplasm look like?

42. PLTs - WBCs - NRBCs - and microfilaria
How long and At what rpm do you spin the hematocrit tube?
What are the 3 types of hematocrit tubes?
If I see unusually large RBCs what will I use? Unusually small RBCs?
What is contained in the buffy coat?

43. Neovascularization
What is the plt dervided growth factor?
What is contained in the buffy coat?
FDPs are normally cleared by what?
Irregular shaped RBCs - this is the term used when other classifications do not describe the film.

44. Free or Unbound TPO
What is in each jar in the Dif Quick stain and What is the procedure of each jar?
Where is the maturation pool located in the body? What is it comprised of?
If the neutrophil nuclear immatures are high end of normal - what would you call this? low end of normal?
What is the stimulus for platelets

45. Jar 1- fixative- 5 one second dips jar 2 -eosinophilc - 5 one second dips jar 3 - basophilic - 7-10 one second dips
1/4 of FeLV positive cats will develop...
How many days does it take for the body to recognize that it is not its own blood?
What is in each jar in the Dif Quick stain and What is the procedure of each jar?
What are the routes of fluid replacement?

46. Heterophil
What is the most dominant WBC in most birds
What are 3 effects of EPO?
Does a hemolysis error in collection of CBC/LTT invalidate the sample?
What avian WBC am I describing.....typically rod-shaped - eosinophilic granule which partially or completely obscure the nucleus

47. Thrombocytopenia
What are some symptoms of immediate hypersensitivity?
What is this the test of choice for?
What do you look for to identify a neutrophil?
What is the term you use when there is a lower than normal platelet count?

48. Diffuse cytoplasmic basophilia - dohle bodies - cytoplasmic vacuolization - toxic azurophilic granules
What would a Heinz body look like stained in NMB
What are the 4 presentations of toxic neutrophils
This causes a sever often fatal anemia in cats that are usually FeLv pos.
Where are immunoglobins made?

49. Stimulates and amplifies the coagulation cascade (or secondary hemostasis)
An example of an inherited primary hemostasis defect (vascular part) is........
Platelets are always irrregular in shape - but what would an abnormally shaped platelet look like?
What is the specific use for Black Ring Hematocrit?
During secretion What does PF3 do?

50. In the fridge - in the freezer
What is the method for ACT?
What is the specific use for BTT?
Where should you place your BTT sample if it is going to be looked at in <6 hours? in >6 hours?
These cells have irregular spicules that are uneven in size and distribution. Seen in dogs with liver disease.