SOLVED

Quiz #2: 1. A(n) ________ of 80 years means that 50 percent of newborns will survive until 80 years of age. a. longevity estimate b. life span c. life expectancy d. actuarial age 2. Black adults have a greater risk than white adults of dying before age 80, but after age 80, it is the black adults who are more likely to survive. This is referred to as a(n) __________ effect. a. actuarial b. evolutionary c. cross-over d. pseudo-aging 3. Helen has rheumatoid arthritis, a disease in which antibodies were produced against her normal body proteins. This type of aging would be best explained by the _________ theory of aging. a. immunological b. endocrine c. cross-linkage d. free radical 4. In the laboratory, cells taken from human fetuses divide about 50 times, but cells from adults usually divide only 20 times with the cell dividing fewer times with increasing age of the cell donor. This illustrates the_______ limit. a. free radical b. Bortagelli c. polymere d. Hayflick 5. Which of the following is FALSE regarding approaches to extending the life span? a. There is evidence that links extreme thinness to a shorter life span. b. There is evidence that staying fit can alter the basic limits of the human life span. c. A calorie-restricted diet has been shown to increase resistance to colds and flu. d. The risks of boosting hormone levels have been found to far outweigh the benefits of this approach. 6. Barry is 74 years old and is experiencing difficulty understanding other people’s speech, particularly when he is in noisy environments, such as the mall. This deterioration in hearing due to aging is known as   a. presbyopia. b. presbycusis. c. macular degeneration. d. aural degeneration. 7. ________ reaction time is the time it takes to respond to a single stimulus, while ________ reaction time is the ability to respond quickly to one of several different stimuli. a. Simple; choice b. Choice; simple c. Movement; choice d. Simple; movement 8. Andopause is a term that describes a. an age-related decrease in testosterone levels. b. a man’s inability achieve and maintain an erection when desired. c. the urinary-tract condition that results from a man having an enlarged prostate gland. d. the severe loss of bone density that occurs after the age of 50 in men. 9. Two of the neurotransmitters that wane with age are ______, which is important for frontal lobe function, and _________, which is important for learning and memory. a. serotonin; lipofuscin b. epinephrine; serotonin c. dopamine; acetylcholine d. lipocfusin; dopamine 10. Luis, a 70-year-old male, snores very loudly when he sleeps. He also frequently holds his breath in his sleep and startles awake as he gasps for air. Which sleep disorder does Luis have? a. narcolepsy b. sleep apnea c. insomnia d. night terrors