You would think that balance is something that, once learned, you will have mastered for your entire life. In fact, however, balance must be relearned for sitting, crawling, walking, and other postures. Why is this?
a. Because each posture develops independently of others, and thus there is no "central" balance skill that can be learned.
b. Because each posture involves a different part of
the brain, and balance must be coordinated with each of those brain areas.
c. Because balance involves "gross" motor skills, and different postures are typically "fine" motor skills.
d. Because the body rotates around different points and different muscles must be used for each posture.
d
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Which is one of the reasons that older people have fewer friendships?
a. They become more irritable and demanding. b. They have lost most of the people they once cared about. c. They become more selective in their companions. d. They spend more time with their families.
Willis and Todorov (2006) showed college students photos of strangers' faces and found that a. participants were unable to rate the personality of the individuals in the photos when they only saw the facesfor less than one second
b. even when they saw the photos for less than one second, participants' ratings of the faces were highlycorrelated with the ratings of others who looked at the faces without time limits. c. participants who only saw the faces for less than one second rated the faces as possessing more negativetraits than others who were allowed to look at the faces for as long as they wanted to. d. the longer it took participants to rate each face, the more accurate their ratings were.
One of the best treatments available for HIV is highly active antiretroviral therapy (HAART). One of the most commonly used components of HAART is:
a. ACT c. CD4 cells b. AZT d. Aricept
Leptin is to ____ as CCK is to ____.?
a. ?hypothalamus; stomach b. ?liver; fat cells c. ?fat cells; intestines d. ?intestines; hypothalamus