In Parkinsonism, the Tremors, Muscular Rigidity, and Reduced Control Over

Multiple Choice

In Parkinsonism, the tremors, muscular rigidity, and reduced control over voluntary movements appears to be a function of ​

A) damage to glia cells. ​
B) degeneration of neurons that use dopamine as a neurotransmitter.
C) agonistic chemical action on the receptor sites of the cerebrum.
D) enzymatic deficiency that does not allow for the proper cleanup of waste products in the nervous system.