The neural signal sent from the auditory nerve to the brain is initiated by neurotransmitter release from the:
A) eardrum.
B) hair cells.
C) ossicles.
D) semicircular canals.
B) hair cells.
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Men find women with low waist-to-hip ratios more attractive relative to women with higher waist-to-hip ratios because lower waist-to-hip ratios have been found to be associated with all of the following except
a. greater health. c. having better-looking children. b. greater fertility. d. having more intelligent children.
Which two of the Big 5 personality traits decline from age 30 to 90?
A. openness and neuroticism B. neuroticism and extroversion C. extroversion and openness D. agreeableness and extroversion
Which of the following reflexes has no apparent survival value?
a. Rooting reflex b. Moro reflex c. Babinski reflex d. Grasping reflex
Why are sibling relationships likely to become more important in late adulthood?
A) Siblings typically provide practical assistance to each other, such as help with activities of daily living. B) Most older adults expect to live with siblings when health problems or disabilities, such as arthritis or diabetes, occur. C) Siblings share reminiscences and companionship and provide each other emotional support. D) In late adulthood, relationships with siblings are typically less stressful and have less conflict than relationships with adult children or spouses.