When a neuron's membrane is at rest, the concentration gradient tends to move sodium ____ the cell and the electrical gradient tends to move it ____ the cell.
A. into; into
B. into; out of
C. out of; into
D. out of; out of
Answer: A
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When it comes to differences in familial sleeping arrangements across cultures, ____
a. Japan is the only culture where young children sleep with their parents b. the U.S. is the only culture where young children sleep alone c. there are essentially no differences across cultures d. there are a variety of different sleeping arrangements across cultures
An inverted-U hypothesis illustrates the
a. poorer academic performance of stressed students. b. level of complexity of a task. c. the positive and negative emotions of severe stress. d. optimal level of arousal for a task.
In cases in which consciousness is impaired due to widespread damage to both sides of the cerebral cortex, what would be the most likely cause?
a. ?tumor b. ?genetic abnormalities c. ?cerebrovascular accident d. ?alcohol
Which of the following is one of the types of information used in making an attribution in the covariation model?
a. validity b. reliability c. distinctiveness d. individuality