Veterinary Technician

Category - Lab Procedures

When microscopically evaluating a vaginal smear on a female dog, which of the following characteristics is an indication of estrus?
  1. Squamous cells are noncornified.
  2. There are no squamous cells present.
  3. Squamous cells are a mixture of cornified and noncornified.
  4. Squamous cells are cornified.
Explanation
Answer: D - When microscopically evaluating a vaginal smear on a female dog in estrus, all of the squamous cells are cornified. The characteristics of anestrus are predominately noncornified squamous cells.
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