Alla is studying for a quiz on the motor systems in the body. She writes in her notes that all of the motor neurons that innervate a single muscle are collectively called a
A. motor neuron pool.
B. motor unit.
C. neuromuscular junction.
D. muscle spindle.
Answer: A
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When a stranger began walking behind Timothy on the dark and deserted street, his heart rate increased and the muscles in his legs began moving faster so he could gain some distance from the stranger. These mobilization and motor activities were most directly orchestrated by his ____ nervous system.?
a. ?central b. ?endocrine c. ?peripheral d. ?parasympathetic
Which of the following is a feature of a child's motor development?
A) Its sequence varies from child to child. B) It begins after the first year of the child's birth. C) It is independent of the environmental factors surrounding the child. D) It is dependent on brain maturation of the child.
Norms describing what people actually do are referred to as ______.
a. descriptive norms b. social norms c. injunctive norms d. personal norms
What role does the key theme of sociocultural influence play in information-processing theories?
Indicate whether the statement is true or false