CVA Laboratory Techniques & Diagnostic Procedures 2

Question 1

Which tube color is used to collect blood for a serum chemistry panel?

Accepted Answer

Red or gold top (no anticoagulant)

Answer

Purple top (EDTA)

Answer

Blue top (citrate)

Answer

Green top (heparin)

Question 2

When performing a urine specific gravity measurement with a refractometer, the result is 1.045 in a dog. This indicates:

Accepted Answer

Concentrated urine

Answer

Isosthenuria

Answer

Dilute urine

Answer

Normal hydration only

Question 3

What is the primary purpose of Diff-Quik stain in veterinary diagnostics?

Accepted Answer

Rapid staining of blood smears and cytology samples

Answer

Identifying fungal organisms only

Answer

Staining fecal flotation slides

Answer

Measuring urine sediment

Question 4

A fecal flotation test uses a solution with high specific gravity to:

Accepted Answer

Float parasite eggs to the surface for collection

Answer

Kill parasites before examination

Answer

Lyse red blood cells in the sample

Answer

Preserve the fecal sample for later testing

Question 5

Which laboratory value is most useful for evaluating kidney function in veterinary patients?

Accepted Answer

BUN (blood urea nitrogen) and creatinine

Answer

ALT and AST

Answer

Total bilirubin and alkaline phosphatase

Answer

Glucose and insulin

Question 6

When collecting a urine sample by cystocentesis, the needle is inserted directly into the:

Accepted Answer

Urinary bladder

Answer

Urethra

Answer

Kidney

Answer

Ureter

Question 7

What does a positive result on a heartworm antigen test detect?

Accepted Answer

Adult female heartworm antigens

Answer

Heartworm microfilariae only

Answer

Heartworm larvae in the skin

Answer

Antibodies produced by the host