Question

Lately Jennifer is hungry all the time. She read on a Web site last night that if she limits her total fat intake to no more than 10% of her total calories, she can eat all the carbohydrates and protein that she wants, and she won’t gain weight. So Jennifer went right out to the yogurt shop down the street and ordered a large sundae with nonfat vanilla yogurt and fat-free chocolate syrup. She had to admit, though, that an hour or so after she ate it, she was hungry again. Maybe it’s stress ...?

1. What do you think of Jennifer’s approach to her persistent hunger?

2. What have you learned in this chapter about the role of fats that might be important information for Jennifer to know?   

3. What other physiological roles does fat play in the body?

Answer 1

1 Jeniffer is worried about getting fat due to such eating habbits because of which she searches on the internet about learn how to satisfy her hunger but not getting fat.Jeniifer is little bit linieant when it comes to her eating habbits thats why instead of controlling the hunger she searches for an alternate way to eat whenever she wants but not getting fat.

2 Fat plays major storage form of energy in the body.It is utilized by the body at the time of crisis .Thus if she continues to eat fat free substitutes she will end up loosing the storehouse of energy.Moreover eating fat free substiutes does not mean that she will not get fat.Its just that she wont be eating fat rich items,but if she lives a sedentary lifestyle with such a food eating habbit she will end up getting fat because all these protein,carbohydrates that she acumulates in her body if not utilized will be converted into fat by her body .Thus eating too often with a sedentary lifestyle will lead to fat deposition.

3 Other physiologic functions of fat-

1 it is the structural component forming the membranes arround the cell .

2 it also acts as a carrier of vitamins-fat soluble vitamins like vitamin A D E K are all transported in the body by lipids.

3 some essential fatty acids also play a role in blood clotting wound healing etc.