Parkinson's disease involves the degeneration of neurons within the ________ DA system.
A) nigrostriatal
B) mesocortical
C) hypothalamocortical
D) mesolimbic
E) retinal-suprachiasmatic
Question 2
________ causes pupil dilation by blocking ________ receptors.
A) Cocaine; dopaminergic
B) Atropine; muscarinic
C) Curare; muscarinic
D) Belladona; adrenergic
E) Muscarine; nicotinic