One significant method for assessing body fat distribution is measurement of ______ circumference.
Answer
Correct Answer:
Waist
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The bod pod device is used in the ________ method of assessing body composition.
Answer
Correct Answer:
Air Displacement
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The idea that changes associated with aging are the result of chance damage to the body that accumulates over time is called
Answer
Correct Answer:
Wear-and-tear theory of aging
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The biological theory that aging results from damage to the genetic integrity of the body’s cells is called______mutation theory of aging
Answer
Correct Answer:
Somatic
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The normal biological process by which cells irreversibly stop dividing and enter a state of permanent growth arrest without undergoing cell death; senescence can also be induced by unrepaired ______damage or other cellular stresses is called senescence.
Answer
Correct Answer:
DNA
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The idea that the level of metabolism and average length of life are statistically related to one another is called
Answer
Correct Answer:
Rate-of-living concept
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The maximum number of cell divisions that normal cells undergo, as typically measured in a laboratory dish is called hayflick limit
Answer
Correct Answer:
True
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Gompertz law describes the statistical tendency of mortality, or death rate, to double with every _____ years of advancing age
Answer
Correct Answer:
8
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The idea that free radicals (unstable and highly reactive organic molecules) create damage that gives rise to symptoms we recognize as aging is called
Answer
Correct Answer:
Free-radical theory of aging
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Cross-linkage theory of aging describes the idea that aging results from accumulation of cross-linked compounds that interfere with normal cell function
Answer
Correct Answer:
True
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Collagen is a _______ that makes up the connective tissue found in skin, bones, and tendons of the body
Answer
Correct Answer:
Protein
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The view that aging can be explained largely by changes in structure and function taking place in the ______ of an organism is called cellular theory of aging
Answer
Correct Answer:
Cells
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The idea that aging results from gradual decline in the body’s immune system is called Autoimmune theory of aging
Answer
Correct Answer:
True
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Antioxidants is a substance that destroys free radicals, thereby preventing damage to cell structures
Answer
Correct Answer:
True
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Aging-clock theory of aging explains the idea that aging results from a preprogrammed sequence, as in a clock, built into the operation of the nervous or _______ system of the body
Answer
Correct Answer:
Endocrine
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Accumulative waste theory of aging describes the ______ theory of aging that points to a buildup of cells of waste products that presumably interferes with metabolism
Answer
Correct Answer:
Biological
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