Kinesiology 2276F/G Lecture Notes - Lecture 2: Vigorish, Longitudinal Study, Pedometer

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ceruleanbeaver743

16 Oct 2018

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Epidemic: anything that affects a large number of people; study patters of disease, risk factors and causes. Epidemiology: study of epidemics; dealing w the incidence, distribution and control of disease in a population. Not a disease itself, has risk factors to diseases. Physical inactivity and poor diet: responsible for at least 16% of deaths each year, according to cdc (us). 2 of the leading causes of diseases such as cvd type 2 diabetes, and some cancers; directly linked to inactivity and poor diet. Obesity trends among us adults: bmi>30; 1985 (some states) -1996 (data on all the states); trend is just getting worse, with some states over 25% Healthy people 2020: initiative started in 2010: us dpt of health and human services task force, builds upon 2010 version, goal: improve health, fitness, and quality of life of us population through daily pa. Created specific objectives for us physical activity by 2020.

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Please, help me answer the following questions on Chronic Diseases and Risks. No guess work, thank you!

QUESTION 1 Chronic diseases generally have several underlying characteristics, including a. A long latency period between exposure to risk and disease outcomes b. Low degree of preventability c. High curve rate d. None of the above

QUESTION 2 Which of the following risk factors collectively explain a significant proportion (not incidence) of most chronic diseases? a. Tobacco, alcohol, diet

b. Tobacco, alcohol, diet, physical activity c. Alcohol, physical activity d. Tobacco, diet, physical activity

QUESTION 3 Adherence to treatment is influenced by several interacting dimensions including a. Social and economic factors b. Healthcare system factors c. Condition-related factors

d. Therapy-related factors e. Patient related factors f. All of the above

QUESTION 4 _________ is the leading cause of cancer in both developed and developing countries worldwide a. Radiation exposure b. Tobacco use c. Pesticide exposure d. Air pollution QUESTION 5 This week's YouTube video on treating non-communicable diseases in Rwanda showed how a community health worker helps to treat heart disease, diabetes and _______ a. Cancer b. Asthma c. Hepatitis d. HIV/AIDS

QUESTION 6 Which of these are myths of chronic disease control a. Benefits of chronic disease control accrue not only to the individual but also to the population b. Economic growth improves all health conditions c. Chronic diseases are associated with low SES/poverty d. Chronic disease only occurs in the elderly e. a and c f. b and d

QUESTION 7 ___________ remains the leading cause of death among both men and women in low- and middle-income countries a. Cancer b. Cardiovascular disease c. Diabetes d. Obesity e. Respiratory disease

QUESTION 8 Chronic disease in adults accounts for approximately 60% of all deaths worldwide. True False

QUESTION 9 The WHO's Innovative Care for Chronic Conditions Framework includes a positive policy environment True False

QUESTION 10 It is estimated that the overall number of cancer cases will rise by 50% in the next 20 years. True False

periwinkleskunk371

The people of Malaysia belong to three communities: the local people called Malays, immigrants from South India called Tamils, and immigrants from China. During the early 20th century, the Malays lived mainly in coastal villages, the Tamils worked on rubber estates, and the Chinese worked in tin mines. In general, the people were very poor and they consumed a limited variety of foods.[1] Rice was the staple diet of all three communities and therefore the key source of caloric and nutrient content. Malays typically grew their own rice and dehulled it before consuming it; dehulling partially removes the aleurone layer of the rice seed. Following their South Indian food habits, the Tamils ate parboiled rice, and the Chinese ate polished white rice imported from Thailand. It was found that among the three Malaysian communities, the Chinese community was much more prone to suffer from some degree of sub-optimal thiamin intake. Out of every 1,000 Chinese inhabitants, about 120 had mild thiamin deficiency, about 80 had severe thiamin deficiency, and about 16 people had died of it. Suboptimal intake of thiamin was rare in Malays and was not reported at all in Tamils.[1] Thiamin, also called Vitamin B1, is required for all tissues, and its deficiency causes the disease Beriberi. Less severe deficiency results in non-specific symptoms such as weight loss, malaise, irritability, and confusion. Although the origin of the word Beri-beri is disputed, it is believed to be a Philippine word meaning âI canât, I canâtâ and was probably coined to refer to the lack of neuromotor coordination in people afflicted with this disease.[2] Thiamin is water-soluble and is stable in the acidic medium. It is unstable to heat, oxygen, and UV light in neutral and alkaline medium. The active form of thiamin is thiamin pyrophosphate (TPP). This active form is a cofactor for pyruvate dehydrogenase and transketolase enzymes that are involved in the metabolism of carbohydrates. These enzymes play an important role in the biosynthesis of a number of cell constituents such as neurotransmitters, pentoses, and reduced equivalents, used in oxidant stress. The human body cannot store thiamin and therefore requires a continuous supply of the vitamin. The thiamin in an individual on a thiamin-free diet typically depletes in fewer than two weeks. Thiamin absorption is affected by compounds, called thiamin antagonists or anti-thiamin factors, that alter the structure of thiamin. These compounds include alcohols, polyphenols, flavonoids, and thiaminase, a heat labile enzyme found in certain foods.[2] In affluent countries, where the diet is rich in thiamin, the most common cause of thiamin deficiency is excessive alcohol consumption. Alcohol intake affects thiamin status in two ways. First, alcoholics get a significant percentage of their daily energy intake from alcoholic beverages, which are nutrient deficient. In other words, alcoholics replace their consumption of nutrient dense foods that are part of their normal diet with the consumption of nutrient deficient alcohol. Second, alcohol inhibits the intestinal ATPase involved in the absorption of thiamin.[4] Sub-clinical thiamin insufficiency associated with excessive alcohol consumption produces an encephalopathy called Wernicke-Korsafoff syndrome. Patients with this syndrome have a higher than normal incidence of abnormal transketolase, which has a very low binding affinity to TPP. This problem can be overcome by putting patients on high-dose thiamin therapy. Some patients, however, might have a form of abnormal transketolase that does not bind at all with TPP. Such people do not respond to high-dose thiamin therapy.[4] Thiamin deficiency is observed in individuals who have low thiamin intake and a diet rich in polished rice, especially if their diet also consists of anti-thiamin factors such as tea, coffee, raw fermented fish, and betel nuts. The minimum amount of thiamin needed by the body can increase because of increased physiological or metabolic demands arising from pregnancy and lactation, heavy physical exertion, illnesses like cancer, liver diseases, hyperthyroidism, and surgery. Since TPP is required for carbohydrate metabolism, the recommended dietary allowances for thiamin are based on the assumption that its intake is related to total energy intake. The recommended dietary allowance in the United States is 0.5 mg/1000 Kcal.

Questions
1. Thiamin deficiency was observed only in the Chinese community even though all three
communities had the same staple (rice) diet. Explain.
2. On packages of enriched rice sold in supermarkets, the rice preparation directions state that the
rice should not be washed before cooking. Explain.
3. Severe metabolic acidosis caused by high levels of lactate is often associated with thiamin
deficiency. Explain.
4. Provide two plausible explanations for what might cause above normal levels of pyruvate in blood
and urine. How can one determine which of the two explanations is correct?
5. Why does thiamin utilization increase among cancer patients?
6. A negative correlation exists between the need for thiamin and the amount of fat in the diet.
Explain.

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PLEASE ANSWER ALL QUESTIONS.

QUESTION 1 The nutrition transition is driven by three major ecologic factors; demographics, urbanization and changes in a.Longevity b.Standard or living c. Dietary trends

QUESTION 2 The dual burden of populations in nutrition transition refers to finding obesity and ________ coexisting within the same household a.Overnutrition b.Undernutrition c. sedentary lifestyle d.None of the above

QUESTION 3 Following the global financial crisis of 2008, which of the following occurred that left the poor and undernourished populations less food secure that they were earlier in the decade a.Crop diversion for biofuel production b.Restrictive trade policies c.Surging oil prices d.All of the above

QUESTION 4 The Barker hypothesis proposes that under nutrition at different phases of intrauterine and postnatal growth results in an increased risk for a.Kidney disease b.Type 2 diabetes c.Liver disease d.Osteoporosis

QUESTION 5 According to Merson, South Korea has retained elements of its traditional diet, such as high rice and vegetable consumption, which has resulted in adult overweight status but not a.Undernutrition b.Micronutrient deficiencies c.Obesity d.None of the above

QUESTION 6 According to Popkin, some of the major technological clashes with human biology contributing to the obesity pandemic include a.Infant formula b.Edible oil revolution c.Sanitation d.Antibiotics

QUESTION 7 According to Popkin, ________ is one of the few low or middle-income countries to aggressively move against sugar-sweetened beverages and other high-calorie, less healthful beverages. a.Russia b.Kuwait c.Mexico d.None of the above

QUESTION 8 According to Popkin, one of the limitations of the current research on obesity in low and middle-income countries is the focus on women of child bearing age and __________ a.adolescents b.preschoolers c.the elderly d.None of the above QUESTION 9 More people in the world are now overweight or obese than underweight. True False

QUESTION 10 Popkin says that the overarching trend that is encouraging all these challenges in diet and lifestyle which lead to obesity is __________ a.GMO's b.Pesticides c.Corporate farms d.Globalization

QUESTION 11 Iron deficiency is considered the most common micronutrient deficiency in the world True False

QUESTION 12 The WHO/UNICEF recommends giving breast milk alone for the first __________ months of life. a.12 b.3 c.6 d.4

QUESTION 13 Breastfeeding markedly improves an infant's chances of surviving the first 2 to 3 months of life. True False QUESTION 14 Breast milk can transmit HIV True False

QUESTION 15 Food security is not only dependent on food availability but also ______ a.GMO's b.Fertilizers c.Food Access

QUESTION 16 One of the populations at risk for undernutrition are the elderly True False

QUESTION 17 Diarrheal diseases and pneumonia are the two most common causes of death in children younger than five years of age in low-income countries True False

QUESTION 18 According to this week's lecture, 80% of arable land worldwide has lost productivity because of soil degradation True False

QUESTION 19 According to Merson, evidence is slowly accumulating that ______ among older persons is an immense and growing problem in low- and middle-income countries. a.iodine deficiency b.malaria c.vitamin a deficiency d.undernutrition

QUESTION 20 Which is labeled the most common preventable cause of mental retardation a.Iodine deficiency b.Vitamin D deficiency c.Copper deficiency d.Zinc deficiency

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Kinesiology 2276F/G Lecture Notes - Lecture 2: Vigorish, Longitudinal Study, Pedometer

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