A nurse is caring for a patient who is having an adverse drug reaction. The patient is experiencing tremors, is unable to hold his or her head up, and is having difficulty sitting up in bed. The nurse suspects that this is due to what?
A) An interference with the extrapyramidal system
B) A faulty engram
C) An alteration in the reticular activating system
D) An interference with a neurotransmitter
A
Feedback:
The extrapyramidal system coordinates unconscious motor activity that regulates control of position and posture. An engram is a reverberating circuit of action potentials that becomes a long-term, permanent memory in the presence of the proper neurotransmitters and hormones. The reticular activating system, which is located in the hindbrain, controls arousal and awareness of stimuli and contains the sleep center. A neurotransmitter is a chemical that stimulates postsynaptic cells either by exciting or by inhibiting them.
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