CVA Laboratory Techniques and Diagnostic Procedures 2

Question 1

What is the principle behind a fecal flotation test?

Accepted Answer

Parasite eggs float in a high-density solution while debris sinks, concentrating eggs at the surface

Answer

Parasites are attracted to the solution chemically

Answer

The solution kills parasites for naked-eye viewing

Answer

Flotation separates bacteria types

Question 2

What does a refractometer measure with urine, and what is normal for dogs?

Accepted Answer

Urine specific gravity (concentration), normal 1.015-1.045

Answer

Urine pH, normal 6.0-7.0

Answer

Protein content, normal less than 10 mg/dL

Answer

Glucose concentration, normal 0 mg/dL

Question 3

What is the purpose of Romanowsky-type staining (Diff-Quik or Wright's) of blood smears?

Accepted Answer

To differentially color cellular components for microscopic identification of cell types

Answer

To kill infectious organisms

Answer

To preserve the smear for storage

Answer

To make red blood cells larger

Question 4

What organ systems does a serum chemistry panel evaluate?

Accepted Answer

Liver enzymes, kidney values, electrolytes, glucose, and proteins to assess organ function

Answer

Only white blood cell counts

Answer

Blood type compatibility

Answer

Only cholesterol and triglycerides

Question 5

What does a positive heartworm ELISA test detect?

Accepted Answer

Adult female heartworm antigen

Answer

Heartworm larvae in blood

Answer

Antibodies against heartworm

Answer

Dead heartworm fragments in lungs

Question 6

What do epithelial cell casts in urine sediment indicate?

Accepted Answer

Damage or disease affecting the renal tubular epithelium

Answer

Normal finding

Answer

Confirmed urinary tract infection

Answer

Only found in contaminated samples