2024 VTNE Laboratory Exam Prep GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)

2024 VTNE Laboratory Exam Prep GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. You are viewing a blood sample in a compound microscope at a 20X objective lens.This microscope (as with most compound microscopes) hasan ocular lens that has 10X magnification.What is the total magnification atwhich you are viewing the sample? Answer: 200x 2. Which of the following is the scabies mite in cats? Notoedres cati Cheyletiella blakei Cuterebra Sarcoptes gati Answer: Notoedres cati Feline scabies is caused by the mite Notoedres cati.It often causes scaly or scabby facial lesions in cats and is intensely pruritic. It is a highly contagious mite and is closely related to the canine scabies mite Sarcoptes scabiei. It is diagnosed via a skin scraping. Demodex gati is the demodex cat mite. Sarcoptes gati is not a real mite. Cuterebrais a fly larva that may infest the skin of domestic animals. Cheyletiella is a surface mite that causes itchy and flaking skin in dogs and cats, also known as "walking dandruff". 3. A cat may have ingested ethylene glycol.You are examining the urine sediment and are looking for: Answer: Antifreeze poisoning causes the formation of calciumoxalate crystals in the urine. White blood cells when seen are usually a sign of a urinary tract infection, but may also be associated with other disease processes occasionally. Struvite crystals are not uncommon to find in urine samples. Cystinecrystals, although not commonly seen, in urine samples do not necessarily imply there is a problem. 4. Which of the following is not an anticipated finding when evaluating a urine sample after performing a cystocentesis? Struvite crystals Calcium oxalate crystals 5-10 white blood cells per high-powered field Erythrocytes Answer: There should be less than 0-5 white blood cells per high-poweredfield in a urine sample.