The unequal concentrations of potassium, sodium and chloride in the nervous system are partially maintained by:
a. chloride/protein pumps within individual neurons
b. sodium/potassium pumps within individual neurons
c. the neurotransmitters within the nervous system
d. synaptic depolarization
B
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What does it mean if a 6-year-old and an adult both have a score of 120 on the Stanford-Binet?
a. Each of them answered the same number of questions. b. Each did equally well, relative to other people of their own age. c. The 6-year-old is more intelligent than the adult. d. The adult is more intelligent than the 6-year-old.
Aggressive children appear to be
a. more empathic than their peers. b. more cognitively accurate in interpreting intentions of others. c. better liked by aggressive peers who value and encourage their aggression. d. less egocentric than their peers.
Conflict is not always bad.
Answer the following statement true (T) or false (F)
Which of the following is NOT a measure of threshold?
a. absolute threshold b. difference threshold c. just noticeable difference d. separation threshold