“We just really wanted to give them a behind-the-scenes look,” said Bridget Wehmeyer, right, a veterinarian technician at Riverview Animal Hospital. Wehmeyer and her co-workers hosted an open house on Wednesday for kids up to age 12, showing them how to interpret X-rays, doing an ultrasound demonstration and even letting them perform mock surgery on stuffed animals. Violet Bleger, 5, left, Sydney Wells, 8, center, and Morgan Helms, 7, use a pulse oximeter to measure the amount of oxygen in their bloodstreams. Violet is the daughter of Jerome and Tiffany Bleger, Sydney is the daughter of Scott and Janet Wells, and Morgan is the son of Matthew Helms.