Children's early use of gesture is:
A. largely unrelated to children's language development.
B. an impediment to children's language development because it allows for communication outside of language.
C. only important for children learning sign languages.
D. predictive of children's language abilities and development.
D
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Children who are aware of the variety of perspectives that are present in the social situation are likely to be
a. positively evaluated by their age-mates. b. exposed to harsh discipline by parents. c. friendly with rejected and withdrawn children. d. more positively evaluated by their teachers than by their peers.
Matthew's parents are concerned about the possibility that he might have either a hearing loss or autism spectrum disorder, as he has not learned to speak and is not responsive to their efforts to speak to him. Which of the following technologies might assist Matthew's physician in making an accurate diagnosis?
a. analysis of evoked potentials b. positron emission tomography (PET) c. computerized tomography (CT) d. functional magnetic resonance imaging (fMRI)
One major difference between striated and smooth muscles is that a. smooth muscles move the voluntary system and striated muscles move automatic systems
b. striated muscles are responsible for fast twitch and smooth muscles are responsible for slow twitch. c. striated muscles move mostly voluntary systems while smooth muscles move involuntary, automatic systems. d. smooth muscles are made up of myofibrils and striated muscle is made up of only sarcomeres.
Along with other depressants, alcohol appears to affect ________ activity
a. serotonin b. endorphin c. norepinephrine d. GABA