What would likely happen if you selected the two outer AEC cells for an AP spine X-ray?

What is indicated by a colorless zone around a bacterial colony on a blood agar plate?

A 12-year old Warmblood mare has been sedated with a combination of xylazine and butophanol for dental evaluation because she has been dropping feed.  You listen to the heart immediately after sedation and note a heart rate of 20 beats per minute (normal = 28-44) with an occasional “dropped” beat; the horse is standing quietly.  What is the most appropriate action to take next?

In temperate North America, one animal is seasonally polyestrous (multiple estrus cycles) in the winter when the weather is cold, and the other animal is seasonally polyestrous in the spring and summer when the weather is warm.  Both give birth in the spring.  Which animals are these?

Which teeth are best x-rayed using the bisecting radiograph techniques?

What side effect is often seen in horses tranquilized with acepromazine?  

Why must lead shielding be carefully placed when using Automatic Exposure Control (AEC)?

Where would a dog or cat be likely to encounter arsenic around the house?

If you double the focal-film distance between an x-ray and the x-ray cassette, what happens to the x-ray beam intensity on the x-ray cassette?

Which of the following dog breeds is classified as brachycephalic?