SOLVED

31. James’s hairline is receding at the temples and at the top of his head. If James is typical of most men in their 30s, he most likely has a. baldness due to excessively fat diets and sun exposure. b. baldness due to smoking and/or alcohol consumption. c. male pattern baldness, largely determined by heredity. d. temporary baldness due to a scalp condition caused by wearing a baseball cap too much. 32. Which of the following is FALSE regarding baldness? a. About 95 percent of hair loss cases are due to lifestyle choices, such as diet, alcohol consumption, smoking, and sun exposure. b. Baldness can begin any time after puberty, but about 25 percent of men begin to bald by 30. c. European-Americans are four times more likely to bald than their African-American neighbors. d. Many women experience hair loss, although usually to a lesser extent and not until after age 40. 33. Which of the following is/are TRUE regarding the graying of hair? a. Both sexes lose cells that produce pigment in the hair follicles as they age. b. Some people sprout their first gray hairs in their 20s. c. There are a few people who are virtually gray-free until their mid 70s. d. All of these statements are true. 34. Most body systems reach peak performance between ______ and ______ years of age. a. 15; 20 b. 20; 25 c. 25; 30 d. 30; 35 35. Which of the following is FALSE regarding the basic physical function of the body? a. Most body systems reach peak performance between 17 and 25 years of age. b. After reaching their peak performance, most body systems decline at a rate of about one percent per year. c. Specific trends in physical function vary as a function of the system and your lifestyle choices, such as the frequency and type of physical activity you enjoy. d. Most people do not have to adjust their lifestyles to accommodate the declines that occur between 20 and 50 years. 36. Which of the following is FALSE regarding the basic physical function of the body? a. Most body systems reach peak performance between 25 and 30 years of age. b. After reaching their peak performance, most body systems decline at a rate of about 6 percent per year. c. Specific trends in physical function vary as a function of the system and your lifestyle choices, such as the frequency and type of physical activity you enjoy. d. Most people do not have to adjust their lifestyles to accommodate the declines that occur between 20 and 50 years. 37. Some people develop _______, a blurring of distant objects, when they were children and then experience a worsening of this condition during their 20s and 30s, while other people develop the condition for the first time as adults. a. astigmatism b. myopia c. hyperopia d. presbyopia 38. Jana has worn glasses or contacts since she was nine. Now that she is in her mid-20s, her ability to see distant objects has worsened, and she has had to have her contact prescription changed more often than in her teens. Jana’s vision problem is called a. astigmatism. b. myopia. c. hyperopia. d. presbyopia. 39. By age 40, the ____, the part of the eye that changes shape to bring objects into focus, begins to lose its ability to adjust. a. retina b. iris c. cornea d. lens 40. The lens of the eye is made up of _______, which is the same type of tissue found in skin, hair, and nails. a. endometrial tissue b. epithelial tissue c. collagen d. lipids