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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. Thrombocytosis
All components necessary for intrinsic pathway are...
What is the term you use when there is a higher than normal platelet count?
What does a RTT contain?
Why do we stage lymphoid tumors?

2. Primary hemostasis and plt number
What does plt count evaluate?
What avian parasite am I describing.... a horseshoe or halter-shaped organism partially encircling but not displacing the host RBC nucleus
What 3 anticoagulants contain preservatives and What are their shelf lives?
Where is the storage pool located in the body? What is it comprised of?

3. Hyperproteinemia - salt retention in CHF or iartrogenic
What are 3 causes of hypervolemia
What is the term you use when there is a lower than normal WBC count?
The goal of hemostasis is to basically maintain blood within vessels - but ...
list 3 venipuncture sites in a bird and the needle size for each

4. The preceding factor
What is one factor that could cause the plasma evaluation to be lipemic?
When noting the number of platelets - What are the ranges and names?
Why are monocyte numbers low in WBC differentials?
During secondary hemostasis each coagulation factor is converted to its active form by what?

5. Mean Corpuscular Hb Concentration - gives us the amount of Hb
What is the advantage of a glass bottle technique? disadvantages?
When looking at the feathered edge on 10x What are two things you would be looking for?
What is the best technique used to deliver donated blood into recipient? What if they were puppies/kittens
What does MCHC stand for and what will it tell us?

6. 2 gtts donor RBC suspension and 2 gtts recipient plasma
When would you use Cryopercipitate on your patient?
In the major reaction of the crossmatch - What do you add together?
Platelets are always irrregular in shape - but what would an abnormally shaped platelet look like?
What is required for carboxylation in the liver?

7. Increased concentration of amount of RBC ex: dehydration or splenic contraction
Microsytosis is often seen in...
What is the specific use for Blue Ring Hematocrit?
What is in each jar in the Wright's stain and What is the procedure of each jar?
What is the mechanism of relative polycythemia and What is an example?

8. Reticulocyte count
What type of count can we do to determine bone marrows response to anemia
List the order of Platelet production
Irregular shaped RBCs - this is the term used when other classifications do not describe the film.
If there is 5 or more nRBCs in the on the blood film - what must you do?

9. Heterophil
What are the 2 categories of errors in collection of CBC/LTT?
What avian WBC am I describing.....typically rod-shaped - eosinophilic granule which partially or completely obscure the nucleus
Which species is the only species in which we evaluate the central pallor?
What is an easy way of remembering how much blood you can safely draw from a bird

10. Basophilic stippling
This RBC inclusion looks like small round dots that stain bluish - seen in dogs with lead poisoning.
What does MCV stand for and what will it tell us?
Clinical signs of a secondary hemostasis defect are.....
What are 3 causes of hypervolemia

11. The fluid portion of coagulated blood
What is serum?
During secondary hemostasis each coagulation factor is converted to its active form by what?
MCV
All components necessary for intrinsic pathway are...

12. Hemorrhage- good for oxygen increasing and volume expansion
When would you use whole blood transfusion on your patient?
What is the ratio of PSS to Packed RBCs in the RBC suspension?
What are neutrophil nuclear immatures commonly referred to?
What granulocyte has a nucleus that is uniformly plump and spread out?

13. Primary Hemostasis - platelet plug -Stimulate Secondary Hemostasis - Fibrin clot -Secrete
A platelet plug by itself is short lived and can only stop hemmorage but....
What is the term you use when there is a lower than normal RBC count?
What are the 3 functions of platelets
Platelet morphology includes...

14. Anaplasma marginale
What are some infectious agents that you would test for in a dog before they could be a donor?
Why is the initial rate of administration slow?
What infectious agent is seen in cattle with a tick infestation that causes severe anemia and icterus?
What is a reactive lymph look like? What animals are they seen in?

15. WBC- defense - RBC- O2 transport - Plts- platelet plug
What some send out tests that could be run for bleeding disorders?
What are the examples for the cellular components of blood and What are their functions?
What are the 3 functions of platelets
What are some side effects to Oxyglobin? Are these side effects anything to worry about? why?

16. Partial thromboplastin time - prothrombin time - VWF test - thrombin time - FDPs
What some send out tests that could be run for bleeding disorders?
What are some causes of BM failure
List the order of Platelet production
What is diffuse cytoplasmic basophilia?

17. Empty package of negate stain
The final product of secondary hemostasis is a stable ____ _______ which seals larger blood vessel defects
What is your end patient observation if the blood is not compatible?
How many mls is one unit of blood for a dog?a cat?
vacuoles

18. Vacuoles in cytoplasm with foaminess- can see pits on 100x
When evaluating the size of RBCs we not only look at How many RBCs have a size difference but also the...
____________ is often seen in ruminants with cobalt deficiencies and poodles with defective erythrogenesis
What is a reactive lymph look like? What animals are they seen in?
What is cytoplasmic vacuolization?

19. Shaking - too small needle with too much negative back pressure - rocker tray too long - water in syringe - freezing and thawing - squirting into tube - spinning too fast or too long
What is the only cell that has the ability to recirculate? How do they do this?
What is an example of loss of RBC
Judge the cells by the company that they keep is a...
Give 4 examples of hemolysis errors in collection of CBC/LTT

20. Torocytes
What are the 3 layers of a blood film?
What is an example of decreased production?
This cell looks like a punched out cell.
What are the 2 morphologic changes of WBCs?

21. Macrocytosis - Microcytosis
If I see unusually large RBCs what will I use? Unusually small RBCs?
Platelets are always irrregular in shape - but what would an abnormally shaped platelet look like?
When looking at the body on 10x What are you looking for?
List the stages of RBC production starting with the PPSC

22. Heparin which prevents conversion of prothrombin to thrombin
What are dohle bodies?
What is the mech. of relative hypoproteinemia and an exampl?
Thrombocytes tend to...
What type of anticoagulant is in a green top tube

23. Agglutination or hemolysis
Hairball the cat has a MCV of 32 - What term will I use for the evaluation?
What is your end patient observation if the blood is not compatible?
What are 3 examples of acquired primary hemostasis defects (vascular part)
Why might you not want to use EDTA blood to view Mycoplasma haemofelis?

24. Band neutrophil
All cells can get...
How many days does it take for the body to recognize that it is not its own blood?
What is the defining cell of inflammation?
List two ways the body gets rid of old RBCs

25. G/ld - rounded to the nearest 0.2
What is TP measured in?
The goal of hemostasis is to basically maintain blood within vessels - but ...
What are the 3 functions of platelets
Barney the dog has a MCHC of 19 - What term will I use for evaluation?

26. PCV - TP - Plasma evaluation in conjunction with LTT
What type of anticoagulant is in a grey top tube?
What is the normal range of a TP for a dog? a cat?
Where should you place your BTT sample if it is going to be looked at in <6 hours? in >6 hours?
What is the specific use for Blue Ring Hematocrit?

27. Large amounts to be effective - not long lasting - pricey
What are some disadvantages of Oxyglobin?
What do lymphocytes do after vaccination or in young neonates?
An example of an inherited primary hemostasis defect (vascular part) is........
This RBC inclusion looks like a clear nipple like protrusion on the outer edge.

28. Liver Failure - DIC
What is a hemopoetic neoplasia?
What are 2 examples of acquired fibrinolysis defects
What does the plt estimate evaluate?
What is a serum separator tube?

29. In bone marrow; matures - +/- bands
What is a vascular spasm? (stimulated by ______ - causes constriction of ________)
What is an example of loss of RBC
Where is the storage pool located in the body? What is it comprised of?
What do lymphocytes do after vaccination or in young neonates?

30. Heparin and 3.8% Na Citrate
An example of acquired primary hemostasis defects (platelet plug part) is...
What are some causes of BM failure
What two anticoagulants have no preservatives and have a shelf life of 24 hours?
What is contained in the buffy coat?

31. Hypoxia
What is the stimulus for RBC production?
Fibrinolysis is...
Which species has uniform small round refractile eosinophil granules?
0.9% NaCl only in the same line as...

32. 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
What is the most dominant WBC in most birds
What do monocytes do?
What do you look for to identify a lymphocyte?

33. 15-45%; 55-85%; 0-5%; rare
What is the normal range for neutrophils in a cow? lymphocytes? monos and eos? basos?
There are 2 types of lymphocytes What are their names? What are each used for?
What is the specific use for Black Ring Hematocrit?
What is the only species that has basophil granules uniform round pale blue gray?

34. Obs = # retics/1000 x 100 COR = (Pt PCV/ Average PCV) x observed % Abs = # retics/1000 x RBC ct
What are MCV and MCHC normal ranges for the dog?
All components necessary for intrinsic pathway are...
What is the Observed Retic Count Formula? Corrected Retic Count? Absolute Retic Count?
List 3 venipuncture sites in the cat and the needle size for each

35. Aggregate
Cats and Birds only count _________ retics in the retic tally
Fibrinogen > __________
Endothelium and platelets produce What two factors?
Why would we want an atraumatic venipuncture?

36. Nonimmunologic and immunologic; immunologic
What does erythrophagocytosis look like?
What are the two types of transfusion reactions? Which one is a rejection of RBC antigens?
What color is a 18ga needle?
If you have a dog come in ADR and you need to draw blood with vacutainer - what order should you fill your tubes?

37. Thrombocytopenia
What is the term you use when there is a lower than normal platelet count?
If there is 5 or more nRBCs in the on the blood film - what must you do?
What do the granules of a mast cell contain
These are cells that are spiculated with even small projections over the entire cell.

38. 2 years at room temperature
Hemophilias A and B are examples of ______ secondary hemostasis defects - but are not very common in the veterinary field
What is the shelf life of Oxyglobin?
What is the stimulus for RBC production?
What do lymphocytes do after vaccination or in young neonates?

39. blood
Define artifact
What is the definition of PCV?
Clinical signs of a secondary hemostasis defect are.....
0.9% NaCl only in the same line as...

40. 72 hours; thrombocytopenia; no; because the platelets aggregate
What are some infectious agents that you would test for in a dog before they could be a donor?
How long is platelet rich plasma good for? When would you use it on your patient? Do you refrigerate it? Why?
Thrombocytes tend to...
What are the causes of hypersegmented neutrophils?

41. Primary granules; no
What is the best technique used to deliver donated blood into recipient? What if they were puppies/kittens
As a general rule - ____ is slightly better
What is the stimulus for monocyte production?
What type of granules are in a promyelocyte? are they committed?

42. no body
What are some causes of primary absolute polycythemia?
Does the toxic neutrophil have to have all the presentation to be toxic? What would you report out for each presentation?
What are the 3 types of cytological patterns?
An avian blood film has a feathered edge - monolayer - and...

43. Anisocytosis
This can be seen in cattle - camel - sheep - goats - antelope - birds. Causes a veneral disease in horses.
What is the rule when testing for a plasma cell tumor?
If I see a variation in size of the RBCs What term will I use?
Which anticoagulant is best to use when using blood to make a smear?

44. Round to oval; ameboid
The WBC morphology includes...
What shape is the nucleus in a lymphocyte? a monocyte?
What does MCV stand for and what will it tell us?
Platelet function defects are often acquired due to ___ - ______ - _______

45. Nulcear characteristics and cytoplasmic characteristics
What color is a 22ga needle?
What are the stages of lymphoid tumors?
What does ACT evaluate?
The WBC morphology includes...

46. Thrombocytopenia
Fibrinogen measurment makes up what percent of the TP?
An example of acquired primary hemostasis defects (platelet plug part) is...
Where should you place your BTT sample if it is going to be looked at in <6 hours? in >6 hours?
Judge the cells by the company that they keep is a...

47. Microcytic
What is the biggest error in hematology?
Platelet morphology includes...
For what cell do we have a 5 day supply in the marginating pool? What is their half-life? Turnover rate?
Hairball the cat has a MCV of 32 - What term will I use for the evaluation?

48. FDP's (Fibrin Degredation Products)
During fibrinolysis unbound plasmin in inactivated and bound plasmin hydrolyzes fibrin producing ______
The RBC morphology includes...
MCH
Where is the storage pool located in the body? What is it comprised of?

49. Ponctate Polka Dot Ribosomes More mature retic -Aggregate Clumped Ribosomes Younger retic
What organ produces EPO?
What are some examples of soluble coagulation factors?? Cofactors??
If I see unusually large RBCs what will I use? Unusually small RBCs?
List the two types of retics along with there morphological and physiological characteristics

50. Clot that breaks off from its origin place and lodges somewhere else
EPO is involved with hypoxia...
What is the stimulus for platelets
What are the 3 components of blood?
Define thromboembolic disorder