A psychiatric–mental health nurse is interpreting an older adult client's assessment data in light of normal age-related changes to the nervous system. These changes include which of the following?
A) An increase in brain plasticity
B) A decrease in reaction time
C) A decrease in neurons and dendrites
D) A decrease in memory
Ans: C
Feedback:
Although there is great diversity in aging, the following normal age-related changes are typical of the nervous and sensory systems: The central nervous system (CNS) loses neurons, dendrites, and pigment, and brain plasticity and functional reserve decrease. All five senses decline. Cognitive changes include a slowed reaction time and difficulty retaining new material unrelated to previous learning. Memory loss is not a normal part of aging.
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