People who persistently restrict energy intake by 30 for 30 years can expect to increase longevity by up to how many years?
a. 3
b. 6
c. 9
d. 12
e. 15
Q. 2What is the most important predictor of a person's mobility in the later years?
a. BMI
b. Alcohol use
c. Chronological age
d. Regular physical activity
e. Good genes
Q. 3What minimum reduction from the usual intake of energy in people brings about measurable improvements in body fat, blood pressure, insulin response, and blood lipids?
a. 10
b. 15
c. 20
d. 25
e. 30
Q. 4Which of the following is a feature of energy intake and longevity?
a. Improvements in longevity with energy restriction depend on reducing energy intake but not on the amount of body fat
b. Restriction of energy intake in genetically obese animals does not seem to improve longevity
c. Biochemical markers for longevity in humans are improved only when energy intake is reduced by at least one-third
d. The activities of the genes of older mice on energy-restricted diets are similar to those of mice on standard diets
e. Research with humans has found a substantial increase in longevity with a 5 reduction in energy intake
Q. 5Malnutrition caused by recent severe food restriction; characterized in children by underweight for height (wasting) is called ____________________ malnutrition.
Fill in the blank with correct word
Q. 6Which of the following is a finding from studies of diet restriction in rats?
a. Restriction of specific nutrients exerted antiaging effects
b. Energy-restricted diets led to life extension in 90 of the rats
c. Energy-restricted diets led to lowering of the metabolic rate and body temperature
d. Restriction of food intake only after rats reached maturity, but not before, resulted in extension of the life span
e. Although early research was encouraging, more recent research has found that the effects are much smaller than hoped
Q. 7Severe malnutrition characterized by failure to grow and develop, edema, changes in the pigmentation of hair and skin, fatty liver, anemia, and apathy is called ____________________
Fill in the blank with correct word
Q. 8Of the world's 7 billion people, ____________________ percent have no land and no possessions at all.
Fill in the blank with correct word
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