1 . The passage suggest which the following about COX- 2 inhibitors?A. They fail to protect the stomach from gastric acids that can cause irritation, but protect the body from tissue inflammation.
B. They produce similar side effects as those caused by Naproxen.
C. They were introduced approximately 20 years after the relationship between aspirin and prostaglandins was discovered.
D. They stimulate production of prostaglandins that cause tissue inflammation.
E. They are generated by external stimuli and act on the cells that produce them.
2. According to the passage, all of the following are true of prostaglandins EXCEPT:A. They were discovered in the 1930s.
B. They are generated by most mammalian tissues.
C. They produce the sensation of pain in the body, but are also responsible for other bodily functions.
D. They cause side effects that clinical trials failed to detect.
E. Their production is affected by enzymes COX-1, COX- 2, and COX-3.
3. The author mentions that prostaglandins are generated in response to external stimuli primarily in order to support the contention thatA. Prostaglandins can produce or aggravate stomach ulcers.
B. Prostaglandins act in the same tissue that produces them.
C. Prostaglandins prevent the enzyme cyclooxygenase from functioning.
D. Prostaglandins are significantly different from most mammalian hormones.
E. Prostaglandins are responsible for the human sensation of pain.
4. The primary purpose of this passage is toA. explain the therapeutic benefits of a new type of pain reliever
B. initiate a debate concerning the benefits of COX-2 inhibitors
C. warn the public that clinical trials cannot ensure drug safety
D. describe the impetus for and result of COX-2 inhibitors’ introduction
E. introduce research findings to support COX-2 inhibitors over COX-1 inhibitors