The conductance of an electrical charge down an axon:
A) flows steadily like running water.
B) jumps from node to node.
C) increases in intensity as it reaches the end of the axon.
D) decreases in intensity due to the sodium-potassium pump.
B) jumps from node to node.
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In 1879, in Leipzig, Germany, the first psychological laboratory was overseen by
a. William James. b. William Tell. c. Wilhelm Wundt. d. Sigmund Freud. e. William the Conqueror.
Miroslaw lives in a run-down neighborhood. There are drug dealers on the street corners, and the local police don't seem to care. If Miroslaw isn't careful, these __________ factors might put him at risk to develop a substance abuse or addiction problem
A) psychological B) social C) familial D) contextual
A score between _________ on the GAF scale indicates moderate difficulty in social, occupational, or school functioning.
a) 41-50 b) 31-40 c) 51-60 d) 61-70
What benefit does St. John’s wort offer in the treatment of depression?
a. St. John’s wort offers no benefit—it is completely ineffective in treating depression. b. St. John’s wort alleviates mild-to-moderate depression, but produces far more adverse side effects than do pharmaceutical antidepressants. c. St. John’s wort alleviates mild-to-moderate depression with generally far fewer adverse side effects compared to pharmaceutical antidepressants. d. St. John’s wort alleviates chronic, severe depression, but produces far more adverse side effects than do pharmaceutical antidepressants. e. St. John’s wort alleviates chronic, severe depression with generally far fewer adverse side effects compared to pharmaceutical antidepressants.