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Clinical Laboratory Procedures Flashcards

7 cards from real VTNE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. The term 'regenerative anemia' in veterinary hematology means the bone marrow is responding by releasing:

    Answer: Immature red blood cells (reticulocytes)

    In regenerative anemia, the bone marrow releases reticulocytes (immature RBCs) into circulation as a compensatory response to RBC loss or destruction.

  2. Which coagulation test evaluates the extrinsic pathway of the clotting cascade?

    Answer: Prothrombin time (PT)

    PT evaluates Factor VII and the common pathway (Factors X, V, II, I), reflecting the extrinsic coagulation cascade.

  3. A veterinary technician performs a Knott's test on a dog's blood sample. This test is used to identify:

    Answer: Microfilariae of Dirofilaria immitis

    The Knott's test concentrates and lyses red blood cells to allow microscopic identification of microfilariae in canine blood.

  4. Which urinalysis finding is MOST consistent with a urinary tract infection (UTI)?

    Answer: Pyuria, bacteriuria, and hematuria

    Pyuria (WBCs in urine), bacteriuria, and hematuria together strongly indicate an active bacterial urinary tract infection.

  5. When preparing a bone marrow aspirate for cytologic evaluation, which stain is routinely used?

    Answer: Wright-Giemsa stain

    Wright-Giemsa stain is the standard stain for bone marrow cytology, allowing differentiation of erythroid, myeloid, and lymphoid cell lines.

  6. A serum biochemistry panel shows markedly elevated ALT and AST with mildly elevated ALP in a dog. This pattern is MOST consistent with:

    Answer: Hepatocellular damage or necrosis

    ALT and AST are hepatocellular enzymes released when liver cells are damaged or necrotic, whereas ALP elevation is more pronounced with cholestasis.

  7. Which of the following is the BEST method to confirm a diagnosis of diabetes mellitus in a cat showing glucosuria?

    Answer: Fructosamine level reflecting 2–3 week average glucose

    Fructosamine reflects average blood glucose over the prior 2–3 weeks and is not affected by stress hyperglycemia, making it ideal for confirming diabetes in cats.