(100% Updated!!)
1. Biological aging
a. is under way in early adulthood.
b. begins in middle adulthood.
c. is similar among various parts of the body.
d. is underway in infancy. - ANSWERSa. is under way in early adulthood.
2. When adults make positive lifestyle changes, telomeres
a. decrease in number.
b. respond by shortening.
c. multiply in number.
d. respond by lengthening. - ANSWERSd. respond by lengthening.
3. Free radicals are thought to be involved in
a. sickle-cell disease.
b. birth defects.
c. Down syndrome.
d. disorders of aging. - ANSWERSb. birth defects.
4. Jay wants to protect the health of his endocrine system. The safest approach for Jay is
a. a healthy diet and exercise or spontaneous events.
b. hormone therapy.
c. genetic reconstruction.
d. cellular therapy. - ANSWERSa. a healthy diet and exercise or spontaneous events.
, 5. In healthy individuals, the heart ability to meet the body's oxygen requirements under typical
conditions
a. declines with age.
b. increases during early adulthood.
c. does not change during adulthood.
d. increases during middle adulthood. - ANSWERSc. does not change during adulthood.
6. Yoa is 45 years old. How has the maximum vital capacity of his lungs changed from when he was 25?
a. It has decreased about 5%.
b. It has decreased about 20%.
c. It has remained constant.
d. It has increased by about 10%. - ANSWERSb. It has decreased about 20%.
9. In the United States,
a. overweight children usually slim down by adolescence or early adulthood.
b. many people show large weight gains between the ages of 25 and 40.
c. rates of overweight and obesity are starting to decline in low-SES adults.
d. more adults are overweight than obese. - ANSWERSb. many people show large weight gains between
the ages of 25 and 40.
10. Compared with people of normal weight, obese individuals are more likely to be
a. in dual-earner families.
b. cheerful and optimistic.
c. from middle-SES backgrounds.
d. denied apartment rentals and colleges loans. - ANSWERSd. denied apartment rentals and colleges
loans.
11. When it comes to dietary fat, the best suggestion is
a. do not consume it.
b. to eat less fat of all kinds.