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  3. Researchers at UCLA Medical Center in Los Angeles, California found that a 12-minute bedside visit with a dog can help ease anxi

Researchers at UCLA Medical Center in Los Angeles, California found that a 12-minute bedside visit with a dog can help ease anxi

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问题     Researchers at UCLA Medical Center in Los Angeles, California found that a 12-minute bedside visit with a dog can help ease anxiety levels by 24 percent in heart failure patients, compared to a 10 percent drop when patients had a visit from a human volunteer, and no drop in patients who had no visit.
    Results of the 76-patient study were presented last week at the American Heart Association’ s annual Scientific Sessions in Dallas, Texas. The study was funded by the Pet Care Trust Foundation, a non-profit organization which promotes human-animal interaction and bonding. In the stud-y, effects of dog and volunteer visits were compared with those of volunteers only, and with patients who had no visits and remained at rest. Heart pressures were monitored and patients were asked to answer a list of anxiety assessment questions before and after the visits. Although critical pressure measures also decreased, suggesting improved cardiac function, the most marked response was seen in anxiety levels.
    "The first thing you notice is that the patient’ s facial expression changes to a smile and the stress of the world seems to be lifted off their shoulders," study author Kathy Cole said. Feelings of depression and helplessness are common among heart patients, Cole said, and just three nights in a hospital is enough to make some patients feel anxious and unsettled. During the visit, the furry friend is allowed to lie on the bed next to the patient with its head within two feet of he patient’ s. Most patients petted the dog, while others engaged human volunteers in conversation about the dog.
    Dogs used in the study are specially trained animal-assisted therapy dogs that undergo a series of trainings, evaluations and certifications to qualify as therapy dogs. Dog breeds varied. Researchers used everything from Bernese mountain dogs to small schnauzers. However, a dog doesn’ t have to be specially trained to have a calming effect on its human counterparts. In fact, the animal doesn’t even have to be a dog in order to help. "As long as the animal has meaning to the patient, or a relationship with the patient, it can help calm the patient,"Cole said.
Cole believes that dogs are helpful to the patients if______.
选项 A、they are limited to certain breeds
B、they are specially trained ones
C、they have meaning to them
D、they stay with them all day
答案C
解析 细节题。题干意为：“Cole认为狗对于病人有帮助，其条件是…”。从文章最后一句“As long as a dog has meaning to the patient…calm the patient．”可以得知，任何动物只要对于病人有意义，都有助于其病情的恢复，狗当然也不例外，故选C。
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