What is the major reason why very-low-birthweight babies are in grave danger from the moment they are born?
A. exposure to toxic chemicals in the womb
B. babies are developing outside the womb
C. immaturity of their organ systems
D. rejection by the mother
Answer: C
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Stuart feels like he has been worrying constantly for the past four months. He is worried about making his car payments, losing his job, and how his children are doing in school. He has also started to experience dizziness and occasional heart palpitations. In this case, Stuart's symptoms are MOST consistent with
a. generalized anxiety disorder. b. panic disorder. c. obsessive-compulsive disorder. d. hypochondriasis.
If the programmed cell theory of aging is correct, a. people under stress should die sooner than those not under stress. b. a low-fat diet should extend life
c. the elimination of free radicals should greatly extend life. d. humans are born with a "prewired death clock.".
Monte is a three-year-old boy recently diagnosed with autism. He appears completely unresponsive to his parents and shows no indication of any language development. Monte seems disinterested in communication of any kind and has significant rituals such as lining up his toys and realigning them every few minutes. He becomes hysterical if anyone interrupts his ritualistic activity. On an IQ assessment designed for very young children, Monte's score was extremely low. His prognosis is poor primarily because of
A. his lack of language acquisition and low IQ. B. his low IQ and early age of onset. C. the early age of onset and lack of language acquisition. D. his ritualistic behavior and disinterest in his parents.
A marked decrease in brain processing and memory in some older adults may be attributed to
the use of both hemispheres of the brain. shrinkage of the prefrontal cortex and the hypothalamus. increased production of neurotransmitters. more neural fluid that slows cerebral blood flow.