Which of the following statements regarding life expectancy in the United States is true?
a. The United States ranks twentieth in life expectancy worldwide.
b. By the year 2050, approximately 50 of the U.S. population will be 65 years or older.
c. Since 1990, life expectancy has increased by 63.
d. The proportion of people aged 65 years and older is increasing.
Q. 2Essential features of bulimia nervosa in an individual include:
A) recurrent episodes of binge eating.
B) recurrent episodes of inappropriate compensatory behavior to prevent weight gain.
C) a sense of lack of control over eating during the binge.
D) All of the above
E) b, c
Q. 3All of the following are true regarding the status of children's and adolescents' diets EXCEPT:
a. they consume too little calcium.
b. they consume too little fiber.
c. 49 meet recommendations for whole grains, fruits, and vegetables.
d. they consume too little vitamin D, folate, and potassium.
Q. 4Essential features of anorexia nervosa in an individual include:
A) the absence of at least 3 consecutive menstrual periods in females.
B) intense fear of becoming fat or gaining weight despite being underweight.
C) refusal to maintain body weight at or above 85 of normal weight for age and height.
D) All of the above
E) b, c
Q. 5Dietary recommendations for the growing years include all of the following EXCEPT:
a. boiled, broiled, and baked foods should be consumed more than fried foods.
b. snacks should not be given to children and adolescents.
c. fat intakes should be in the range of 25 to 35 of total calories.
d. whole-grain foods should be eaten.
Q. 6Which of the following factors contributes to the development of anorexia nervosa?
A) A high self-esteem.
B) Societal pressure to obtain the ideal body shape
C) Overall happiness with one's life
D) A healthy social support system
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