A patient asks a nurse about using aspartame as a sweetener to aid weight loss. What will the nurse tell this patient?
a. Aspartame can be used in cooking.
b. Aspartame contributes to an increased risk of Alzheimer's disease.
c. Aspartame is not as sweet as sucrose.
d. Aspartame is unsafe for people who have phenylketonuria (PKU).
ANS: D
Aspartame contains phenylalanine, so it is unsafe for patients with PKU. It is unstable when heated and thus cannot be used for cooking. There is no evidence to support the theory that it contributes to the risk of Alzheimer's disease. All calorie-free sweeteners are sweeter than sucrose.
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