Describe the mechanism by which a high-fiber diet decreases the risk of heart disease independent of decreasing fat intake
?Soluble fibers can bind to bile acids in the GI tract, leading to their excretion from the body rather than being recycled for reuse. When this happens, the liver is forced to make new bile acids by breaking down cholesterol that is stored in the liver. This, in turn, will decrease blood cholesterol.
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The reason most fast foods don't contain much vitamin E is that
A. they have too much fat content. B. heating vegetable oils destroys vitamin E. C. vitamin E is not present in most cooking oils. D. vitamin E-containing foods are best cooked slowly.
Jack has just returned from the hospital where Jack's father is recovering from a heart attack. The doctors told Jack that his dad's atherosclerosis is very serious. Jack and his wife, Melanie, are worried about Jack's father and also are starting to think about Jack's risk of also having heart disease in his lifetime. He sets up an appointment at his doctor's office and has his blood lipid
levels evaluated for the first time. Let's see if you can answer some of the questions that Jack and Melanie have. Jack's results from his blood lipid level test are as follows: Total cholesterol 255 mg/dL LDL 145 mg/dL HDL 40 mg/dL Triglycerides, fasting 220 mg/dL Which statement about Jack's values is correct? a. His total cholesterol is in the desirable range. b. His LDL-cholesterol puts him at high risk. c. His triglycerides are in the desirable range. d. His HDL is too low.
The enzyme that converts retinol to retinal and ethanol to acetylaldehyde contains four ____ atoms.?
A) ?copper B) ?iodine C) ?zinc D) ?iron
Adolescence is the stage of the life cycle that occurs between ages 6 and 21
Indicate whether the statement is true or false