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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.
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PHOTOTHERAPY:
Phototherapy, commonly referred to as light therapy, has been an established form of medicine for more than a century. In recent years it has become closely associated with seasonal affective disorder, of which it is an effective and well-known treatment, but it is also used to treat a broad range of medical issues including acne, psoriasis, and eczema.
The most common form of light therapy involves a patient sitting in front of a medically designed light box for a prescribed amount of time every morning. The light is positioned at an exact distance from the patient's eyes so that it strikes both the skin and the retina. The light box mimics the effects of natural sunlight, but the UV rays are filtered to ensure there is no damage to the patient's skin or eyes. Phototherapy is thought to be a safe method of reducing the amount of bacteria on the skin, reducing inflammatory responses, and affecting the chemicals in the brain associated with mood.
One of the most recent technologies to be associated with phototherapy is the phototherapy blanket. In the late 1960s it was discovered that phototherapy can be used to treat jaundice in newborn babies. Neonatal jaundice, a yellowing of the skin in newborn infants due to excess bilirubin levels in the blood, is usually harmless but can cause brain damage if left untreated. Newborns are given a phototherapy blanket, a small pad with flexible LED light panels sewn into the fabric, to sleep with until their livers are able to process the excess bilirubin.
The many benefits of phototherapy make it a valuable resource for addressing a variety of ailments. Emerging innovations in LED and photo technologies ensure that many more practical applications will be developed for this particular form of treatment in the years to come.
Which of the following statements is a fact?
- A. Nurses should watch for jaundice in newborns.
- B. Untreated jaundice may cause brain damage.
- C. Phototherapy blankets are a valuable invention.
- D. Avoid neonatal units that lack phototherapy.
Correct Answer: B
Rationale: The correct answer is B: 'Untreated jaundice may cause brain damage.' This statement is a fact supported by the passage. Neonatal jaundice, if left untreated, can lead to brain damage due to excess bilirubin levels in the blood. Choice A is not a fact but a general guideline for nurses. Choice C is an opinion as it describes phototherapy blankets as valuable without citing a specific fact. Choice D is not a fact but a recommendation, advising to avoid neonatal units lacking phototherapy.
THE CDC:
The Centers for Disease Control and Prevention (CDC) is always busy monitoring health issues and sending out regular warnings to make sure people know of any impending threats. One of the most recent warnings, however, caught Americans by surprise. The CDC announced that one of today's most under-recognized public health problems is sleep loss. It is estimated that between 50 and 70 million Americans suffer from this problem. Adequate sleep is essential to good mental and physical health. If you do not get enough sleep on a regular basis, you run an increased risk of obesity, diabetes, high blood pressure, stroke, cardiovascular disease, depression, cigarette smoking, and excessive drinking. Those are not minor health issues!
To find out how many Americans are not getting enough sleep, the CDC surveyed almost 20,000 adults in four states. Ten percent of the people studied reported not getting enough sleep every single day of the previous month, and 38 percent reported not getting enough in seven or more days in the previous month. How much sleep is enough sleep? According to the National Sleep Foundation, adults need 7 to 9 hours each night, whereas children under 12 need 9 to 11 hours and teenagers need between 8½ and 9½ hours.
Unfortunately, instead of sleeping, many people stay up late at night to surf the Internet or watch television. Along with the health risks that chronic sleep loss can bring, experts also believe it is responsible for thousands of people who die on the road each year from accidents caused by sleepy drivers. There is no doubt that spending less time with eyes closed can make your days longer, your health worse, and your driving riskier.
All of the following are mentioned in the passage as potential risks from inadequate sleep EXCEPT ___________.
- A. Cancer
- B. Obesity
- C. Diabetes
- D. Depression
Correct Answer: A
Rationale: Cancer is not mentioned as a risk associated with inadequate sleep in the passage.
THE CDC:
The Centers for Disease Control and Prevention (CDC) is always busy monitoring health issues and sending out regular warnings to make sure people know of any impending threats. One of the most recent warnings, however, caught Americans by surprise. The CDC announced that one of today's most under-recognized public health problems is sleep loss. It is estimated that between 50 and 70 million Americans suffer from this problem. Adequate sleep is essential to good mental and physical health. If you do not get enough sleep on a regular basis, you run an increased risk of obesity, diabetes, high blood pressure, stroke, cardiovascular disease, depression, cigarette smoking, and excessive drinking. Those are not minor health issues!
To find out how many Americans are not getting enough sleep, the CDC surveyed almost 20,000 adults in four states. Ten percent of the people studied reported not getting enough sleep every single day of the previous month, and 38 percent reported not getting enough in seven or more days in the previous month. How much sleep is enough sleep? According to the National Sleep Foundation, adults need 7 to 9 hours each night, whereas children under 12 need 9 to 11 hours and teenagers need between 8½ and 9½ hours.
Unfortunately, instead of sleeping, many people stay up late at night to surf the Internet or watch television. Along with the health risks that chronic sleep loss can bring, experts also believe it is responsible for thousands of people who die on the road each year from accidents caused by sleepy drivers. There is no doubt that spending less time with eyes closed can make your days longer, your health worse, and your driving riskier.
What does the word "surf" mean as used in the fourth paragraph?
- A. Spend time swimming in the ocean
- B. Look at different websites
- C. Watch late-night television
- D. Complete online assignments
Correct Answer: B
Rationale: In the context of the passage, "surf" means to look at different websites.
PHOTOTHERAPY:
Phototherapy, commonly referred to as light therapy, has been an established form of medicine for more than a century. In recent years it has become closely associated with seasonal affective disorder, of which it is an effective and well-known treatment, but it is also used to treat a broad range of medical issues including acne, psoriasis, and eczema.
The most common form of light therapy involves a patient sitting in front of a medically designed light box for a prescribed amount of time every morning. The light is positioned at an exact distance from the patient's eyes so that it strikes both the skin and the retina. The light box mimics the effects of natural sunlight, but the UV rays are filtered to ensure there is no damage to the patient's skin or eyes. Phototherapy is thought to be a safe method of reducing the amount of bacteria on the skin, reducing inflammatory responses, and affecting the chemicals in the brain associated with mood.
One of the most recent technologies to be associated with phototherapy is the phototherapy blanket. In the late 1960s it was discovered that phototherapy can be used to treat jaundice in newborn babies. Neonatal jaundice, a yellowing of the skin in newborn infants due to excess bilirubin levels in the blood, is usually harmless but can cause brain damage if left untreated. Newborns are given a phototherapy blanket, a small pad with flexible LED light panels sewn into the fabric, to sleep with until their livers are able to process the excess bilirubin.
The many benefits of phototherapy make it a valuable resource for addressing a variety of ailments. Emerging innovations in LED and photo technologies ensure that many more practical applications will be developed for this particular form of treatment in the years to come.
What is the meaning of the word 'established' as used in the first paragraph?
- A. Created
- B. Ascertained
- C. Founded
- D. Reputable
Correct Answer: C
Rationale: In this context, 'established' means 'founded' or set up for a long time. The word is used to indicate that phototherapy has been a recognized and in place form of medicine for over a century. 'Created' (choice A) is incorrect as it implies the initial invention of phototherapy, which is not the intended meaning here. 'Ascertained' (choice B) means to find out for certain, which does not match the context of how phototherapy has been practiced. 'Reputable' (choice D) means having a good reputation, which is not the same as being long-standing or founded.
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.