middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
•State the chemical composition of the sterol that is present in high levels in most people who belong to the high-risk group.
•Distinguish between the ‘good' and ‘bad' forms of this sterol.
•Explain the function of the good form of this sterol in the body.
•List the food groups that are the sources of the bad form
cholesterol, high density (good) and low density (bad). Here is a link to read more about it including the formula and the structure. http://en.wikipedia.org/wiki/Cholesterol
To find the answers to your questions about Coronary Artery Disease (CAD) and the sterols associated with it, we need to refer to scientific research and information. Here are the steps to get the answer:
1. Search for reliable sources: Use search engines or online scientific databases like PubMed, Google Scholar, or academic libraries to find research articles, scientific papers, or expert recommendations related to CAD and sterols.
2. Identify relevant studies: Look for studies specifically investigating sterols and their relation to CAD. Choose recent and credible sources that are published in reputable journals.
3. Read the research: Access and read the selected studies to gather the necessary information. Pay attention to the study's methodology, results, and discussions about sterols and their implications for CAD.
Now, let's answer your questions using the available information:
1. State the chemical composition of the sterol that is present in high levels in most people who belong to the high-risk group:
The sterol that is often present in high levels in individuals at high risk of developing CAD is called low-density lipoprotein cholesterol (LDL-C). It is a complex molecule composed of lipids (fats) and proteins.
2. Distinguish between the 'good' and 'bad' forms of this sterol:
The "good" and "bad" forms of this sterol refer to high-density lipoprotein cholesterol (HDL-C) and LDL-C, respectively. HDL-C is considered good because it helps remove LDL-C from the bloodstream and transports it to the liver for excretion. On the other hand, LDL-C is often referred to as bad because high levels of it can lead to plaque formation in the arteries, potentially increasing the risk of CAD.
3. Explain the function of the good form of this sterol in the body:
HDL-C has a protective role in the body. It helps remove excess cholesterol from the bloodstream, including LDL-C, and transports it to the liver for processing and removal. HDL-C also exhibits various anti-inflammatory, antioxidant, and vasodilatory properties, which may contribute to its protective effects against CAD.
4. List the food groups that are sources of the bad form:
To find specific food groups that are sources of LDL-C, you can refer to nutrition databases or guides created by reputable health organizations. Consider looking for resources from organizations like the American Heart Association, World Health Organization, or government health departments. These sources often provide extensive lists of foods high in LDL-C, such as saturated and trans fats found in fatty meats, full-fat dairy products, fried foods, and commercially baked goods.
Remember, it's essential to consult scientific literature and expert recommendations for the most accurate and up-to-date information on CAD and sterols.