The PA (posterior-anterior) film is obtained with the patient facing the cassette and the x-ray tube 6 feet away. This distance diminishes the magnification of structures closer to the x-ray tube. Heart is close to normal size as possible.
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Zebroid is the term used for the offspring of a zebra and any other member of an equine species, whether a horse or a donkey. The zebroid type that has occasionally been referred to as a golden zebra is the zorse, which is the offspring of a male zebra and a female horse.