A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because ________
a. ionic balance has been restored
b. the synapses are underactive
c. the threshold of excitation was not reached
d. the graded potential is too great
Answer: c
Psychology
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The close relationships between compulsive gambling and addictive disorders led to its reclassification as a type of _________in DSM-5 that is called gambling disorder
a. mood disorder b. adjustment disorder c. personality disorder d. addictive disorder
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