For people over 70, the best health and lowest risk of death have been observed in those who maintain a BMI between:
a. 12 and 17.
b. 18 and 24.
c. 25 and 32.
d. 33 and 42.
e. 35 and 40.
Q. 2One of the main effects of physical activity for the elderly is to:
a. cause a diminished immune response.
b. improve quality of life.
c. cause involuntary weight loss.
d. negatively affect balance.
e. decrease food consumption.
Q. 3After the age of 50, the intake recommendation for energy assumes a _____ percent reduction in energy output per decade.
a. 5
b. 12
c. 15
d. 20
e. 25
Q. 4The life expectancy at birth for white women is:
a. 70 years.
b. 81 years.
c. 95 years.
d. 115 years.
e. 125 years.
Q. 5Since 1950, the number of people ____ years old in the U.S. has increased seven-fold.
a. under 5
b. over 35
c. over 85
d. over 90
e. over 100
Q. 6On the average, about ____ of a teenager's total daily energy intake comes from snacks.
a. one-fourth
b. one-third
c. one-eighth
d. one-half
e. two-thirds
Q. 7Which of the following worsens acne?
a. chocolate
b. stress
c. French fries
d. salt
e. physical activity
Q. 8Hormones that regulate the menstrual cycle also alter:
a. vitamin D requirements.
b. serum calcium levels.
c. iron absorption.
d. glucose tolerance.
e. serum cholesterol levels.
Q. 9The best way to determine if a teenager is growing normally is to:
a. use growth charts developed for teenagers.
b. calculate the appropriate height and weight based on age.
c. compare him or her with peers.
d. compare his or her height and weight with previous measures taken earlier.
e. use growth charts developed for adults.
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