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20 Cards in this Set

  • Front
  • Back
What preferred stain is used to count retics?
NMB stain
Why is reticulocyte counting useful?
The reticulocyte count is the preferred method for quantitating a regenerative response.
How do you know if you’re seeing reticulocytes in a feline blood smear?
When you see both aggregate and punctate reticulocytes.
Canine reticulocytes are almost always puntate. True or false?
When stained with NMB, what is shown on the reticulocytes?
When stained with NMB the ribosomes and other organelles of the immature RBC clump into visible granules.
Reticulocytes are what?
Immature red blood cells
Which domestic species does not have reticulocytes in the peripheral blood?
Write down the normal dog and cat absolute retic count.
In the normal dog and cat the absolute retic count is >60,000/µl.
How is the reticulocyte percentage obtained (observed AND corrected)?
The reticulocyte percentage is adjusted by the ratio of the observed hematocrit
30 blood cells in a certain field is a good place to count retics. True or false?
20. 80,000 - 100,000 mm3 is considered regenerative or nonregenerative?
Describe the shape of an aggregated reticulocyte.
Contain large clumps of retuculum and often appear bigger and bluer than the RBC's around them.
If stained with diff quick instead of NMB, how the blood cells appear?
The immature RBC appears polychromataphillic on the Dif Quick Smear (big-macrocytic and blue).
How many types of reticulocytes do felines have?
2 types: aggregate and punctate
Reticulocytes are useful in detecting what?
Regeneration and response to therapy.
Name a disease that deals with reticulocytes.
Anemia, bone marrow depression, blood loss, e.t.c
Explain the wet method of making a retic slide.
The coverslip smear (unstained) is dropped blood side down into a drop of NMB on a slide. This is left undisturbed for 15 minutes and then observed for reticulocytes. This slide prep is much more difficult to interpret for retics.
Which retic in cats is counted?
Which is seen more often: hemolytic or hemorrhagic anemia
What are the Ribosomes?
Ribobucleoprotein particles concerned with protein synthesis