Diet rich in cholesterol is believed to increase the risk of cardiovascular disease.Egg is classified as cholesterol rich food, with a whole egg contains an approximately of 200 mg of cholesterol.Is it true that a person, whether well or suffering from a chronic condition, should only eat one egg each day? Justify your answer

Diet rich in cholesterol is believed to increase the risk of cardiovascular disease.Egg is classified as cholesterol rich food, with a whole egg contains an approximately of 200 mg of cholesterol.Is it true that a person, whether well or suffering from a chronic condition, should only eat one egg each day? Justify your answer

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 1DID: Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters...

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Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. In which group was the level of LDL (bad cholesterol) highest?
Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. Figure 2.23 Effect of diet on lipoprotein levels. Researchers placed 59 men and women on a diet in which 10 percent of their daily energy intake consisted of cis fatty acids, trans fatty acids, or saturated fats. Blood LDL and HDL levels were measured after three weeks on the diet; averaged results are shown in mg/dL (milligrams per deciliter of blood). All subjects were tested on each of the diets. The ratio of LDL to HDL is also shown. Source, Mensink RP, Katan MB, Effect of dietary trans fatty acids on high-density and low-density lipoprotein cholesterol levels in healthy subjects. NEJM 323(7):43945. An elevated risk of heart disease has been correlated with increasing LDL-to-HDL ratios. Rank the three diets according to their predicted effect on cardiovascular health.
Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. In which group was the level of HDL (good cholesterol) lowest?
High blood-cholesterol levels are dangerous because of their correlation with atherosclerosis and consequent heart attacks and strokes. Is it possible to eliminate all cholesterol from the bloodstream by having a diet that includes no cholesterol? Is it desirable to have no cholesterol at all in your body? Explain your answer.
In the following examples, a state of affairs is described. Devise two theories to explain each one. Include one theory that you consider plausible and one theory that you think is not plausible. Scientists have discovered that there is a direct correlation between fat in people’s diets and heart disease. The more fat, the greater the risk of heart disease.
Which one of the following is not a complication of elevated cholesterol level? a High density lipoproteinemia.b Myocardial infraction and thrombosis.c Artery diseases.d Atherosclerosis.
Nutrition The American Heart Association and Diabetes association for the most part still promotes low fat diets and whole grains. However, low fat food is usually has added sugar and preservatives, Whole grains are not really ‘whole’ and again additives and sugar are present. Most of the time the grains are highly processed. What is behind this push and is there a “normal” diet that most people should follow? Do you feel that increased portions in restaurants have contributed to the obesity epidemic? If so, how? What role has the media (television, newspapers, magazines) played in the growing epidemic of obesity? Explain why being thin is not equal to being healthy as most people believe. Should restaurants be held legally liable for a customer’s health problems because of the type of food on the menu or the amount served?
The characteristics of vitamin P include the followings except: Select one: a. Vitamin P acts synergistically with ascorbic acid b. It reduces the level of hyaluronidase which prevents the oxidation of ascorbic acid and adrenaline, as result it increases the strength of the blood vessels and capillaries c. It increases the capillary fragility and their permeability d. It is related to flavonoids and phenolic compounds
Among the many eat-all-you-want-and-lose-weight diets that have been popular for a time is one that eliminates all carbohydrates but permits the consumption of all the protein and fat desired. Would such a diet be effective?
Choose the right statement regarding vitamin C: Vitamin C supplement is efficient in treating cold Vitamin C is involved in collagen synthesis, that's why deficiency leads to bleeding gums If supplements vitamin C are taken in high amounts, there will be no toxicity because excess is eliminated in urine All statements are false
At Kate's next appointment, Paula showed Kate how to use a glucose meter. She instructed Kate to measure her blood glucose level twice a day before and after breakfast and dinner. Paula explains to Kate that her pre-meal blood glucose level should be 110 mg/dLmg/dL or less, and if it increases by more than 50 mg/dLmg/dL, she needs to lower the amount of carbohydrates she consumes. Kate and Paula proceed to plan several meals. Because a meal should contain about 45 to 60 gg of carbohydrates, they combined fruits and vegetables that have high and low levels of carbohydrates in the same meal to stay within the recommended range. Kate and Paula also discuss the fact that complex carbohydrates in the body take longer to break down into glucose and, therefore, raise the blood sugar level more gradually. Kate increased her exercise to walking 30 minutes twice a day. She began to change her diet by eating 6 small meals a day consisting of more fruits and vegetables without starch such as green…
Which of the following is TRUE regarding liver metabolism? Select three of the following: The liver (hepatocytes) has hundreds of functions, such as producing glucose, ketones, fatty acids, cholesterol, proteins, and bile for the rest of the body. Hepatocytes have the GLUT2 antiporter, which allows for secondary active transport of glucose into the cells. Hepatocytes have glucokinase that continually makes glucose 6-phosphate, and it has a lower Km than other hexokinases so it continuously metabolizes glucose when concentrations are low. Glucose 6-phosphate is the "transfer station" in the liver since it can be made my multiple pathways and have multiple fates. The liver converts amino acids to citric acid cycle intermediates or pyruvate for gluconeogenesis. The liver oxidizes fatty acids into glucose, which can be sent to other cells and used for energy or converted into phospholipids and triacylglycerol.