2024 VTNE Laboratory Test 3 (ACTUAL TEST ) Questions and Answers (Solved)

2024 VTNE Laboratory Test 3 (ACTUAL TEST ) Questions and Answers (Solved) 1. The modified Knott's technique can be used to isolate the diagnostic stageof which of the following parasites? Answer: Dirofilaria immitis. 2. If the serum at the top of a microhematocrit tube appears cloudy, how is it described? Answer: Lipemic. 3. Which of the following is true about the appearance of an image relative tothe orientation of the slide when viewing through a compound microscope?- Answer: The image is upside-down and reversed. 4. You are making serial dilutions of a sample in the laboratory.You start bymaking a 1:5 dilution of a serum sample. You then take this new solution and make a serial 1:5 dilution of it. What is the dilution ratio of this new solution? Answer: 1:25. When calculating the final dilution ratio of a serial dilution, you must multiply the dilution factors. Here 1:5 is multiplied by 1:5 and the final dilution is (1 x 1):(5 x 5) =1:25. 5. What is the preferred stain to identify reticulocytes and Heinz bodies in erythrocytes? Answer: New methylene blue. 6. AYorkie is presenting for a bile acidstest and has been fasted.Which of the following is true regarding a bile acids test? Answer: It is a measure of liver function. 7. Which region of the blood smear should be used for the differential cellcount? Answer: The monolayer region. 8. A patient with DIC (Disseminated Intravascular Coagulation) may show abnormal red blood cells called schistocytes.What are schistocytes? Answer: Redblood cell fragments. Patients with DIC frequently have schistocytes and decreased platelets on theirblood smears. Schistocytes are red blood cell fragments