When a neuron's membrane is at rest, the concentration gradient tends to move potassium ____ 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
c
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A random sample of n = 4 scores is obtained from a normal population with ยต = 30 and ? = 8 . What is the probability that the sample mean will be smaller than M= 22?
a. 0.00003 c. 0.1587 b. 0.0228 d. 0.3085
What countries are known as world leaders in sexuality education, providing the best examples of the value of high-quality sex education?
a. Brazil and Canada b. United States and France c. Sweden and the Netherlands d. Japan and England
How would the typical reaction to the death of a child differ for grandparents versus parents? a. Grandparents are more likely to attempt to hide their grief
b. Grandparents are more likely to use the event to consider their own mortality. c. Parents are more likely to recover from the loss faster. d. Parents are less likely to experience the emotion of guilt.
Which of the following neurotransmitters causes a major inhibitory effect in the central nervous system?
a. glutamate b. acetylcholine c. GABA d. dopamine