The muscle disorder myasthenia gravis can be treated by ______.
A. reducing acetylcholine function in the brain
B. reducing the activity of acetylcholinesterase
C. removing acetylcholine receptors on muscles
D. growing additional acetylcholine receptors on muscles
Answer: B
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Explain why "a correlation does not prove causation."
What will be an ideal response?
After Kathy and Bob's son leaves for college, they have feelings of unhappiness, worry, loneliness, and depression. They are experiencing __________.
A. a midlife crisis B. empty nest syndrome C. existential decay D. boomerang rebound
In skeletal muscles, every axon releases dopamine.
Answer the following statement true (T) or false (F)
In Sperling's study of sensory memory, participants saw a grid of letters flashed for a fraction of a second. They were then asked to report:
a) one of three lines of letters. b) only one or two of the letters in the cued line. c) the first letter of each line only. d) the middle letter of each line.