Week 2 Ungraded review questions Can you explain

Week 2: Ungraded review questions

Can you explain your answer? Use your fingers to indicate your answer: 1=A, 2=B, 3=C, 4=D. After viewing the question, show me your answer in 15 seconds. Next, turn to your neighbor and you have one minute to convince him/her that you are right.

Which of the following statements is true? A. Researchers, including the two-time Nobel Prize winner Dr. Linus Pauling, proved that Vitamin C can slow down aging and prevent cancer. B. Prior research supported that Co. Q 10 is an effective anti-oxidant that can slow down aging and prevent heart disease. C. At the present time there is no strong scientific evidence to support that antioxidants can slow down aging.

Which of the following is not directly related to theory of genetic limits for aging? A. Hayflick limit B. Telomere length C. Senescence (slowing down of cell replication) D. Double helix

Which of the following statements is UNTRUE? A. A person can prolong his/her life by eating less (e. g. cutting down caloric absorption from 2000 Cal. per day to 1400). B. Burning more calories by doing a job that requires hard labor (e. g. construction worker). C. Doing more leisure time exercises. D. All of the above

Which of the following statements is TRUE (choose the best answer)? A. There is always a tension between living better and living longer. Japan is world’s number 1 in terms of life expectancy but ranks 54 in happiness. B. Most countries in the world can achieve quality of life and longevity at the same time. C. People in some European countries can achieve the goals of living better and living longer simultaneously.

Which of the following statements is true? A. Men’s bone loss rate shows a marked acceleration between the ages of 55 and 65, whereas women’s decline is more gradual B. Taking calcium and Vitamin D can slow down bone loss. C. Running is always a good way to maintain healthy bone. D. All of the above.

Which of the following statements is true? A. Cardiovascular disease is an invisible killer. Heart attack or stroke can happen suddenly without any sign or warning. B. Quit smoking and regular exercises can prevent cardiovascular disease. C. Implanting a stent into the heart is a non -invasive procedure. D. All of the above

Prior research asserting that people significantly lost their cognitive abilities at old age is found to be wrong. Why ? A. Sampling bias in the studies. B. The studies are non-experimental. C. The young researchers tested the older subjects in the afternoon or evening. D. All of the above.

Which of the following statements is true (choose the best answer)? A. Prior research conclusively proved that adults can still produce neurons. B. Prior research conclusively proved that adults can no longer produce new brain cells. C. There is a debate about neurogenesis.

Which of the following statements is true? A. Sleep apnea: more common among younger adults. B. Insomnia is more prevalent among men. C. There are many causes of insomnia, such as over-consumption of alcohol/caffeine, lack of exercises, and emotional issues. D. All of the above are true.