雅思阅读练习及答案：Sleep medication

　　9. Who claimed that the safety description of zolpidem was well established?

　　A. Kenneth Wright

　　B. Melissa Feltmann

　　C. Richard Millman

　　D. Vera Sharav

　　Questions 10-13

　　Answer the following questions with NO MORE THAN THREE WORDS each in boxes 10-13.

　　10. How many times was French-made zolpidem prescribed in 2005 in Britain?

　　11. What kind of hypnotic is zolpidem as a drug which promotes deep sleep in patients?

　　12. What can sleepwalking and sleep-driving behaviours cause according to patient advocacy groups?

　　13. What US administration says that it has been investigating the cases relating zolpidem to unusual side effects?

　　Answer keys and explanations:

　　1. True

　　See para.3 from the beginning: Zolpidem, sold under the brand names Ambien, Stilnoct and Stilnox, is widely prescribed to treat insomnia and other disorders such as sleep apnea.

　　2. False

　　See para.1 under the subtitle “Midnight snack”: Another case involved a woman who gained 23 kilograms over seven months while taking zolpidem. “It was only when she was discovered in front of an open refrigerator while asleep that the problem was resolved”…

　　3. Not Given

　　See para.2 under the subtitle “Midnight snack”: The UK’s Medicines and Healthcare products Regulatory Agency, meanwhile, has recorded 68 cases of adverse reactions to zolpidem from 2001 to 2005. (The time the drug was approved in the UK was not mentioned.)

　　4. True

　　See para.3 under the subtitle “Midnight snack”: In one case, a transatlantic flight had to be diverted after a passenger caused havoc after taking zolpidem.

　　5. False

　　See para.2 under the subtitle “Tried and tested”: He says that unlike older types of sleep medications, zolpidem does not carry as great a risk of addiction.