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Tollon 2/6/14 - 2/11/14
Cont. of RBC and WBCs (Leukocytes)
44
Veterinary Medicine
Undergraduate 3
02/11/2014

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Cards

Term
Define leukocytosis
Definition
Increase in the normal number of leukocytes in circulating blood
Term
Define leukopenia
Definition
Decrease in the normal number of leukocytes in circulating blood
Term
Define neutrophilia
Definition
Increase in the number of neutrophils
Term
What is the difference in a myelocyte and the and a metamyelocyte?
Definition
The dent in the nucleus of the metamyelocyte
Term
What is the maturation of leukocytes, in order?
Definition
Myeloblast, Promyelocyte, Myelocyte, Metamyelocyte, Neutrophil
Term
Which kind of neutrophil is not segmented?
Definition
Band neutrophil
Term
What color granules are in a basophil?
Definition
Blue/black granules
Term
What color granules are in an eosinophil?
Definition
Red/pink granules
Term
What are the percentages of a WBC differential count?
Definition
Neutrophils 70%, Lymphocytes 20%, Eosinophils 5%, Monocytes 5%, Basophils 0%
Term
What can lymphocytes be indicative of?
Definition
Cancer (lymphoma)
Term
What are platelets?
Definition
Pieces of megakaryocytes
Term
What is the lifespan of a lymphocyte?
Definition
The length of a lifetime
Term
What is the lifespan of a neutrophil?
Definition
Hours
Term
What is the left shift?
Definition
Where you see more immature cells on a blood smear
Term
What is a hypersegmented neutrophil?
Definition
When you see more than 5 clumps/lobes in the nucleus
Term
What is the primary function of a neutrophil?
Definition
phagocytosis; go to the site of infection first
Term
What regulates phagocytosis?
Definition
granulopoietin, which is produced by the stimulation of bacteria
Term
What are vacules?
Definition
White pockets mixed in the granules
Term
What shape are granules for dogs?
Definition
Round and can vary in size for eosinophils
Term
What shape are granules for cats?
Definition
rod-shaped
Term
What shape are granules for cows?
Definition
round but always small and don't vary in shape
Term
What shape are granules for horses?
Definition
round, big, obvious and bizzare
Term
How big are neutrophils?
Definition
12-20 microns
Term
Define bacteremia
Definition
bacteria in the blood
Term
Define septicemia
Definition
bacteria multiplying in the blood
Term
Ehrlichiosis is caused by what parasite?
Definition
Ehrlicia canis
Term
What is Tropical Canine Pancytopenia?
Definition
A decrease in ALL cells
Term
Normal ALT value?
Definition
less than 150
Term
What two tests are done to check the liver?
Definition
ALT and biles acids test (LFT; Liver function test)
Term
What is a normal platelet count?
Definition
200,000 - 500,000 mm3
Term
What is another name for Heinze bodies when stained with New Methlyene Blue?
Definition
Erythrocyte Refractile Bodies
Term
What is the spleen responsible for?
Definition
Filtering blood, removing waste or abnormal cells
Term
Which test tests for dehydration?
Definition
Total protrin
Term
Which type of animal always have nucleated red blood cells?
Definition
Birds
Term
What is an extramedullary site?
Definition
An area other than the bone marrow where RBCs are formed
Term
What are examples of extramedullary sites?
Definition
Liver, spleen
Term
What are the physical changes of maturation (in order) of a RBC?
Definition
  1. RBC size decreases
  2. Color of cell changes from basophilic to azurophilic (blue to pink)
  3. Size of nucleus decreases
  4. Chromatin inside nucleus turns pyknotic
Term
What is similar to a Rubriblast?
Definition
Nucleolus
Term
How long do RBC's live?
Definition
3-4 months
Term
On average how long do canine RBC's last?
Definition
100-110 days
Term
How big are canine RBCs?
Definition
7 microns
Term
On average how long do feline RBC's last?
Definition
90 days
Term
How big are feline RBCs?
Definition
5 microns
Term
What does "polychromasia approximates reticulocytosis" mean?
Definition
That you are seeing young RBC's = regenerative anemia
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