I am having a chemical stress test on Tuesday morning and an MRI done on Wednesday morning . My blood pressure got high for the first time this summer , as in 152/99 . I was put on a water pill and it has n't helped much yet . I had a chemical stress test 18 months ago and it is a horrible feeling . The MRI is being done so that hopefully my hernia will show up .

Question: Why is the narrator being subjected to so many tests ?
Answer: They have a chemical imbalance .They have a water deficiency .They have high blood pressure .None of the above choices .