Which of the following statements about loss of bone strength in middle adulthood is true?
A) Loss in bone density usually begins in the early twenties and accelerates in the thirties.
B) Environmental factors do little to slow bone loss in postmenopausal women.
C) Loss of bone strength causes the disks of the spinal column to collapse.
D) By the end of middle adulthood, women have lost 70 percent of their bone density.
C
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Reed conducted research demonstrating that people had difficulty locating a parallelogram in their mental image of a six-sided star. This research
a. supports the analog position on mental images. b. demonstrates that mental images require a four-stage processing sequence. c. supports the idea that we use verbal descriptions to store mental images. d. demonstrates that we must reject both the analog and propositional views of mental imagery.
The task of psychobiological researchers is to understand behavior at which of the following levels of analysis?
a. the broadest level b. the most precise level c. a moderately broad level d. a moderately precise level