A 17-year-old female has announced to her family physician a desire to wholly eliminate fats from her diet. Which of the following aspects of the role of fats would underlie the physician's response to the client?
A)
Apart from providing energy, fats are necessary as carriers of certain vitamins and are precursors to prostaglandins.
B)
An extreme low-fat diet is associated with an increase in undesirable HDL cholesterol.
C)
Fats are a key source of dietary nitrogen, and their elimination from the diet is associated with a negative nitrogen balance.
D)
The total elimination of fat from the diet is associated with the development of ketosis.
Ans:
A
Feedback:
Far from being a completely undesirable component of the diet, dietary fats provide energy, function as carriers for the fat-soluble vitamins, serve as precursors of prostaglandins, and are a source of fatty acids. Low-fat diets tend to lower levels of HDL, which is a desirable form of cholesterol. Nitrogen balance is associated with protein, not fat, intake, and ketosis results from low-carbohydrate intake.
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