Parkinson's disease produces tremors and muscular rigidity because of damage to
A) acetylcholine neurons in the parasympathetic branch.
B) dopamine neurons in the nigrostriatal pathway.
C) norepinephrine neurons in the locus ceruleus.
D) the blood-brain barrier.
Correct Answer:
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Q9: _ results from a loss of myelin
Q10: Specialized structures that recognize neurotransmitter molecules and,when
Q11: The process in which enzymes within neurons
Q12: Weight control,aggression,impulsivity,and psychological depression have all been
Q13: Neural centers controlling vomiting and respiration are
Q15: channels,which is the mechanism that leads to
A)CNS
Q16: within certain limits is called
A)the blood-brain barrier.
B)sympathetic.
C)homeostasis.
D)inhibition.
Q17: Whether the effect of a neurotransmitter is
Q18: Natural chemicals in the brain that produce
Q19: Neurotransmitter molecules are released into the small
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