Which set of theories promotes the view that the cells of the body can only duplicate a certain number of times, and that the genetic instructions for running the body can be read only a certain number of times before they become illegible?
A. wear-and-tear theories of aging
B. genetic programming theories of aging
C. life expectancy theories of aging
D. inevitable death theories of aging
Answer: B
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What is the most common form of dementia?
a. Creutzfeldt-Jakob Disease b. Parkinson's disease c. Alzheimer's disease d. Vascular dementia
In the massive antismoking campaign in China in 1989, the results indicated that ____ percent of the 10,000 fathers in the intervention group quit smoking for at least six months, in comparison to a control group of 10,000 in which only ____ percent quit smoking
a. 1; 0.1 b. 12; 0.2 c. 22; 2.2 d. 50; 25
Wendell has bone cancer and must use a wheelchair to accomplish his daily activities. He feels healthy and energetic and spends his days in a clown costume at the local children's hospital. Which of the following statements about Wendell is true?
He is disabled and has a high level of vitality. He is not disabled and has a high level of vitality. He is disabled and has a low level of vitality. He is not disabled and has a low level of vitality.
People with androgen insensitivity syndrome will have ______.
A. no Müllerian-inhibiting substance B. male external genitals C. no androgen receptors D. increased secretion of dihydrotestosterone