Brender has back pain from an injury that she sustained in a car accident. because of the pain , breda experiences a lot of stress. her doctor believes that the stress has made breda’s back pain worse. which statement best explains why this scenario represents a psychosomatic disease and not a somatoform disorder?

This scenario describes psychosomatic disorders because of  Brenda's existing disease, and stress just aggravates the pain he felt in his back. Somatoform disorders are usually just stress and anxiety without any apparent physical manifestation. 

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.

Answer psychoneuroimmunology;