Bio Medical- Cholesterol Notes

Topics: Cholesterol, Nutrition, Fatty acid Pages: 2 (323 words) Published: April 7, 2013
Bio Med. 5.1.1
What is Cholesterol?

Unsaturated fat: fat or fatty acid in which there is at least one double bond within the fatty acid chain.

Saturated fat: Fat that consists of triglycerides containing only saturated fatty acid radicals

Trans fat: the common name for unsaturated fat with trans-isomer fatty acid

Cholesterol: A compound of the sterol type, found in most body tissues and important in metabolism

All these things go together because they affect the cholesterol blood level. Unsaturated fat reduce cholesterol levels, while saturated fat decreases insulin sensitivity and causes the body to store food as more fat, rather than use it for something else.

Conclusion Question Answers

1)Hormone Production- Cholesterol plays an important role in the production of hormones. It is the forerunner of the making of all steroid hormones that the body produces.
Cell Structure- Cell linings or membranes are made from the body using cholesterol. The body attempts to regulate its cholesterol by a protein receptor on the surface of cells that attract LDL, through many chemical changes inside a cell that makes the cholesterol become less harmful.

2)Five Factors/Behaviors
Heredity- (Negative) Genes influence how high LDL cholesterol can be by how fast LDL is made and removed from the body.
Diet- (Positive/Negative) Reducing the amount of saturated fat and cholesterol levels you eat are key to reducing your blood cholesterol levels.
Body Weight- (Positive/Negative) Excess body weight increases LDL cholesterol level. Weight loss can help lower LDL cholesterol, lower triglycerides, and raise HDL cholesterol levels.
Physical Activity/Exercise- (Positive) Regular physical activity can lower LDL cholesterol and raise HDL levels.
Stress- (Negative) Stress raises cholesterol levels and can affect your habits.

3 Cholesterol can plug up arteries and keep blood from pumping to the heart causing a heart attack.

4Pro: They...
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