Which of the following conclusions is most appropriate regarding the relationship between hostility and coronary heart disease?
A. Hostility causes coronary heart disease.
B. Hostile individuals have greater risk of heart disease than non-hostile people.
C. Coronary heart disease causes hostility.
D. Biological predisposition causes hostility, which in turn causes coronary heart disease.
Answer: B
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People with Down syndrome often
a. live and work without any assistance. b. live and work independently with some assistance. c. find comfort in commiserating with similar peers. d. are proud of their status and resent help from others.
In the ____ stage of identity status, an individual is overwhelmed yet does little to accomplish the task of identity formation
a. diffusion b. moratorium c. foreclosure d. achievement
When a methyl group is _____ DNA, it turns _____ gene expression.
A) added to; on B) added to; off C) removed from; on D) removed from; off
The insulating layer of fatty material that covers the axon of many neurons is called the:
A) axon sheath. B) myelin sheath. C) glial cover. D) glial insulator.