Regarding counterirritation, which of the following statements is FALSE?
a. The lock-and-key theory helps explain counterirritation.
b. Applying mild electric currents to the skin can alleviate pain or reduce more agonizing pain.
c. For more extreme pain, an electric current is applied directly to the spinal cord.
d. If you pinch yourself while you are having a tooth filled, you are using counterirritation.
ANSWER: a
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Suppose that you sell ice cream from a cart on the street. After you pay the ice cream supplier, the regression line that predicts your ice cream profits from the number of hours you work has a slope of 15. But the man who owns the cart charges you $5 per hour in rent. How much money will you earn per hour?
a. $15 b. $10 c. $5 d. nothing
Which pair of variables should produce a negative relationship?
a. square footage of a house and price of a house b. number of years of schooling and annual income c. age of child and verbal skill level d. speed of running and time to complete a race
By inhibiting calcium channels, what effect does alcohol have a neurotransmission?
a. Inhibits release of neurotransmitters from vesicles. b. Prevents excitatory postsynaptic potentials. c. Prevents neurotransmitter reupake. d. Inhibits transportation of neurotransmitters through synaptic vesicular transporters.
The National Adult Reading Test consists of
a) passages of varying lengths that individuals are required to read so as to assess their ability to pronounce irregular words b) only words that follow the typical grapheme phoneme correspondence rules and that individuals are required to read aloud c) passages of varying lengths that individuals are asked to read and then answer questions about the content of these passages d) a series of mostly short and irregular words that do not follow the typical grapheme phoneme correspondence rules in their spelling and that individuals are required to read aloud