21. Which of the following is/are TRUE regarding the shape of the body during adulthood? a. The famous “freshman 15†refers to weight gain associated with college residence hall food. b. Muscle and fat continue to accumulate in the early 20s even if people are healthy eaters. c. A young woman can expect her breasts and hips to reach adult size by the middle of her college years. d. All of these statements are true. 22. Which of the following is/are TRUE regarding the shape of the body during adulthood? a. Due to changes in muscle mass, physical strength peaks between 18 to 29 years of age. b. There is about a five percent loss of strength per decade as fat gradually replaces muscle fiber. c. People who maintain muscle mass by engaging in weight-bearing exercise appear younger than their softer-looking friends. d. All of these statements are true. 23. ___________ is the number of calories a resting body needs to survive. a. Actuarial weight b. Basal metabolism c. Caloric average d. The developmental metabolism quotient 24. Which of the following is FALSE regarding basal metabolism? a. Basal metabolism is the highest number of calories consumed during peak energy use. b. Basal metabolism slows by about three percent every ten years starting in early adulthood. c. There are no large declines in basal metabolism among physically active people, such as distance runners and swimmers. d. People usually require fewer calories to maintain weight as they age. 25. Which of the following is FALSE regarding the aging of one’s physical appearance? a. Genes and lifestyle both are important in how “old†one looks. b. The first wrinkles usually are the “crow’s feet†around the eyes and appear around age 40. c. Smoking and sun exposure significantly speed up the process of “looking old.†d. Wrinkles are caused by a loss of fat cells from the inner layer of skin, deterioration of collagen and elastin, and decreases in the skin’s ability to hold moisture. 26. Wrinkles are caused by a. a loss of fat cells from the inner layer of skin. b. a deterioration of collagen and elastin that provide support and elasticity for the skin. c. decreases in the skin’s ability to hold moisture. d. all of these. 27. Helen is 33 years of age and has just noticed some “wrinkles†on her face. If she is typical of women in their 30s, where are the “wrinkles†most likely to be occurring? a. around her eyes (“crow’s feetâ€) b. between the nostrils c. on the forehead d. at the lip corners 28. Wrinkles are caused by a decrease in the skin’s ability to hold moisture, by a(n)________in fat cells in the inner layer of skin, and by deterioration of _________ and elastin, which are two protein fibers that provide support and elasticity for the skin. a. increase; collagen b. decrease; collagen c. increase; lipids d. decrease; lipids 29. At age 40, which of these women will most likely “look the youngestâ€? a. Marilyn, who never smoked and always got a dark tan by “sun-bathing†when she was in her teens b. Tara, who has smoked since she was in her teens c. Jacy, who has never smoked and rarely got out in the sun during her teens, since she worked every summer indoors d. Since genetics plays more of a role in aging, these lifestyle differences will not have a dramatic impact on physical aging 30. Smoking tends to _______ the physical appearance of aging; sun exposure tends to _______ the physical appearance of aging. a. increase; increase b. decrease; decrease c. increase; decrease d. decrease; increase