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OSTEOPOROSIS:
Almost everyone knows, thanks to everything from newspaper articles to endless television commercials, that bone density is a major health concern for women. Osteoporosis has become a familiar term, and more and more women are booking bone density tests to make sure all is well underneath the skin. In all the hype, however, there are certain people who are being overlooked: men. It appears that older men need routine checks for bone thinning as well.
A new computerized tool sponsored by the World Health Organization is being used to identify the people most at risk for experiencing a broken bone. One of its findings is that men older than 70 years of age should have a bone mineral density x-ray test on a regular basis. This tool, called FRAX, calculates the risk of a person experiencing a hip, wrist, shoulder, or spine fracture within the next decade. Those tested were age 40 or older and either had osteoporosis or low bone mass.
FRAX takes many different elements into consideration when figuring a person's risk level. It factors in diet, exercise, and exposure to sunlight, for example. It also looks at where people live, what genetic factors might be involved, as well as lifestyle factors such as smoking, heavy alcohol consumption, and the use of steroids. The National Osteoporosis Foundation has used the FRAX predictions to create updated guidelines. Their new recommendations not only include bone density tests for men but also a stronger emphasis on the importance of weight-bearing and muscle-strengthening exercises and an increased amount of vitamin D supplementation.
What is the meaning of the word 'booking' as used in the first paragraph?
- A. Scheduling
- B. Contracting
- C. Traveling
- D. Charging
Correct Answer: A
Rationale: In this context, 'booking' refers to scheduling appointments for bone density tests. The correct choice is 'A: Scheduling' because in the given text, women are booking bone density tests to ensure their bone health. 'Contracting' (Choice B) is incorrect as it does not fit the context of making appointments. 'Traveling' (Choice C) and 'Charging' (Choice D) are also irrelevant to the context of scheduling appointments for medical tests.
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VEGETERIAN DIET:
By studying the role diet might have in the prevention of cancer, recent studies have also noted that a vegetarian, or meatless, diet can help improve a person's overall health. A true vegetarian diet consists of a variety of grains, fruits, vegetables, nuts, and pulses—edible seeds from legumes such as peas, beans, and lentils. A modified vegetarian diet, known as lacto-ovo vegetarian, may include dairy products and eggs. A vegan diet excludes any food with animal origins, including butter, eggs, and honey.
When properly planned, a true vegetarian diet can provide a person with all essential nutrients, protein, and carbohydrates. In one study, researchers at Oxford University noted that overall, a vegetarian diet is lower in saturated fats and higher in fiber than other diets. The study noted that people who followed a vegetarian diet were generally found to have lower cholesterol and lower BMI (a measure of body fat based on a person's weight and height) and to be at a lower risk for certain types of heart disease. From the evidence presented, researchers suggested that the adoption of a vegetarian diet could prevent more than 30,000 deaths a year that are attributed to heart disease.
Other available information indicates that vegetarians live, on average, seven years longer than meat eaters do. Throughout the world, breast, colon, and prostate cancers are more common among people who have a high-fat, high-meat, low-fiber diet. Former Surgeon General C. Everett Coop has said that diet is a factor in 70 percent of all people who die from disease in the United States. On the whole, vegetarians are less likely to be afflicted with chronic diseases than those who make meat a centerpiece of their diet.
What is the meaning of the word "pulses" as it appears in the first paragraph?
- A. The regular throbbing of the arteries caused by successive contractions of the heart
- B. The general attitude of the public or a specific population toward health concerns
- C. The edible seeds produced by legumes such as peas, beans, or lentils
- D. Any type of food with animal origins such as butter, honey, or eggs
Correct Answer: C
Rationale: In the context of the passage, "pulses" refers to the edible seeds produced by legumes.
SLEEP:
When most people think about taking a nap, they typically envision being down for the count for at least an hour or two. A German stuWhen most people think about taking a nap, they typically envision being down for the count for at least an hour or two. A German study, however, has shown that if you really want to refresh your brain, a six-minute catnap will do it. Not only will you feel better afterward, but your ability to learn and remember will have improved as well.
As described in a recent article in the Journal of Sleep Research, students at the University of Dusseldorf participated in experiments in which they had to memorize a list of words and then either take a nap or play a video game. The ones who napped scored consistently higher than those who stayed awake. The study may help scientists learn more about what happens when people go to sleep. They already know that the brain undergoes a number of significant changes in the process. "There are dramatic shifts in brain chemistry and electrophysiology," said Dr. Matthew Tucker, researcher at Harvard University School of Medicine and the Center for Sleep and Cognition. "For example, we know that levels of the transmitter acetylcholine go down. And we think that when acetylcholine gets to a low point, it should have an enhancing effect on memory."
Experts believe that sleeping is the brain's chance to decide which details and memories from the day need to be placed in permanent storage and which ones need to be thrown out. It has to do this because there is only so much room in the brain for information. Of course, those catnaps may be wonderful, but they can never replace the value of a solid eight hours of sleep. As Dr. Olaf Lahl, the study's lead author, remarks, "A regular sleep schedule still plays an important role in overall well-being and health."dy, however, has shown that if you really want to refresh your brain, a six-minute catnap will do it. Not only will you feel better afterward, but your ability to learn and remember will have improved as well. As described in a recent article in the Journal of Sleep Research, students at the University of Dusseldorf participated in experiments in which they had to memorize a list of words and then either take a nap or play a video game. The ones who napped scored consistently higher than those who stayed awake. The study may help scientists learn more about what happens when people go to sleep. They already know that the brain undergoes a number of significant changes in the process. “There are dramatic shifts in brain chemistry and electrophysiology,†said Dr. Matthew Tucker, researcher at Harvard University School of Medicine and the Center for Sleep and Cognition. “For example, we know that levels of the transmitter acetylcholine go down. And we think that when acetylcholine gets to a low point, it should have an enhancing effect on memory.†Experts believe that sleeping is the brain's chance to decide which details and memories from the day need to be placed in permanent storage and which ones need to be thrown out. It has to do this because there is only so much room in the brain for information. Of course, those catnaps may be wonderful, but they can never replace the value of a solid eight hours of sleep. As Dr. Olaf Lahl, the study's lead author, remarks, “A regular sleep schedule still plays an important role in overall well-being and health.â€
Sleeping apparently helps with everything EXCEPT ___________.
- A. Fatigue
- B. Memory
- C. Learning
- D. Appetite
Correct Answer: D
Rationale: Based on the provided extract, sleeping helps with fatigue, memory, and learning. The passage mentions how a nap can refresh the brain, improve the ability to learn and remember, and enhance memory. However, the extract does not mention anything about sleeping helping with appetite. Therefore, the correct answer is D. Choices A, B, and C are supported by the content of the passage, emphasizing the positive effects of sleep on fatigue, memory, and learning.
EXERCISE:
It sounds contradictory, but here is some new advice for people who are feeling unusually tired: get out and get some exercise. Studies have shown that regular, low-impact workouts such as short strolls or brief bike rides can help increase overall energy levels by 20 percent and decrease fatigue levels by 65 percent. In other words, if you are feeling tired, the best way to feel more energetic is to get some exercise.
This advice is based on a study done by the University of Georgia's Exercise Pathology Lab. Three dozen people who did not get any kind of regular exercise yet consistently felt exhausted were divided into three groups. One group did not exercise at all. A second group worked out intensively on an exercise bike three times a week. The third group also worked out but at a slower pace. Of the two groups that exercised, both reported a 20 percent increase in energy levels. However, the group that exercised at a more leisurely pace stated that they experienced far less fatigue than the high-intensity group.
This was not the first study to point out a link between regular exercise and energy levels. The same team that conducted it also published one several years ago that stated that low-impact exercise can also help reduce fatigue in patients with serious health conditions such as heart disease and cancer. Clearly, it is time to get off the couch and onto the track.
The word 'track' as used in the last paragraph of the passage can best be defined as ___________.
- A. Keep a record of
- B. A new attitude
- C. Follow carefully
- D. A paved, circular path
Correct Answer: D
Rationale: In the context of the passage, 'track' refers to a 'paved, circular path' for running or walking. The last sentence of the passage encourages people to get off the couch and onto the track, indicating a physical path for exercise. Choice A, 'Keep a record of,' is incorrect as the context does not suggest any relation to recording information. Choice B, 'A new attitude,' is unrelated to the context of exercise and fatigue reduction. Choice C, 'Follow carefully,' does not fit the context of physical activity and energy levels discussed in the passage.
SPANKING:
Put a dozen parents together in a room, and you will most likely have a dozen different theories of parenting. One of the most debated issues in raising kids is how to discipline them, especially when it comes to the question of to spank or not to spank. Some moms and dads are sure that it is an integral part of showing their kids what is right and wrong. Others are equally sure that spanking is a cruel act of violence against kids. Which is it?
According to a new study reported at the American Psychological Association Summit Conference on Violence and Abuse in Relationships, spanking or other forms of corporal punishment apparently increase the risk of future sexual problems such as violent or coercive sex with partners. "The more children are spanked, the more aggressive they are and the more likely they are to engage in delinquent or at-risk behaviors," says Elizabeth Gershoff from the University of Michigan's School of Social Work. "Kids may learn that sometimes there's pain and fear involved in loving relationships."
Naturally, there are those who disagree as well. Some scientists believe that spanking two- to six-year-old children can be very helpful as long as parents are not angry or out of control emotionally. Human development researcher Robert Larzelere adds that parents simply must be able to differentiate between appropriate and inappropriate use. Although opinion on spanking remains divided, research continues on this contentious issue. In the meantime, however, the American Academy of Pediatrics advises parents to use other methods of discipline.
Which is not mentioned as a possible result of being spanked in childhood?
- A. Aggression
- B. Coercive sex
- C. Delinquency
- D. Incontinence
Correct Answer: D
Rationale: The correct answer is D: 'Incontinence.' The passage discusses the negative consequences of spanking in childhood, such as increased aggression, delinquent behavior, and future sexual problems like coercive sex. However, incontinence is not mentioned as a possible result of being spanked. Therefore, it is the correct choice. Choices A, B, and C are all supported by the passage, making them incorrect answers.
SEASONAL AFFECTIVE DISORDER:
Almost anyone who lives in a place where the winter months are mostly dark and rainy or snowy knows what it is like to yearn longingly for "just a few rays." For some people, however, this feeling is much more than a simple longing; it is a physical and emotional need. These people suffer from seasonal affective disorder (SAD). Although in the past the experience has been put down to nothing more than "winter blues," more and more physicians are recognizing the fact that for some, it is much more than a mood swing.
Those with SAD not only get depressed, they struggle with lethargy and chronic fatigue, often to the point of impairing their daily lives. Other symptoms include anxiety, social withdrawal, appetite changes, weight gain, and insomnia. Although more women than men are diagnosed with SAD, men seem to have the most severe symptoms. Those who live in the north and those with a family history of SAD are at highest overall risk.
Currently, SAD is considered a subtype of bipolar disorder and/or depression, and physicians rely on thorough psychological and physical examinations to determine if a patient actually has the condition. If left untreated, SAD can actually lead to complications such as substance abuse or even suicidal thoughts. Treatment focuses primarily on light therapy but may be supplemented with medications and psychotherapy.
The word lethargy as used in the second paragraph of the passage can best be defined as ___________.
- A. Sluggishness
- B. Irritability
- C. Energy
- D. Starvation
Correct Answer: A
Rationale: In this context, 'lethargy' refers to a state of sluggishness or lack of energy. The passage mentions that people with seasonal affective disorder (SAD) struggle with lethargy and chronic fatigue, impairing their daily lives. Therefore, the correct definition of 'lethargy' in this context is 'sluggishness.' Choice B, 'Irritability,' is incorrect as lethargy refers more to a lack of energy than to being irritable. Choice C, 'Energy,' is the opposite of lethargy. Choice D, 'Starvation,' is unrelated to the definition of lethargy in this context.