A nurse is reviewing a client's MRI results that show cortical thinning. The nurse should identify that this finding is evident in which of the following types of dementia?
HIV infection
Alzheimer's disease
Prion disease
Substance use disorder
The Correct Answer is B
B In Alzheimer's disease, cortical thinning typically begins in the temporal and parietal lobes of the brain, areas associated with memory, language, and higher cognitive functions. As the disease progresses, cortical thinning may extend to other regions of the brain, contributing to the worsening cognitive decline seen in affected individuals.
A. HIV-associated neurocognitive disorders (HAND) can result in various structural and functional changes in the brain, including cortical atrophy, but cortical thinning is not a specific hallmark of HIV infection-related dementia.
C. Prion diseases can lead to spongiform changes and neuronal loss in the brain, but cortical thinning is not typically described as a characteristic feature.
D. Chronic substance abuse, particularly alcohol and certain drugs, can lead to structural and functional changes in the brain, including cortical atrophy. However, cortical thinning is not specific to substance use disorder-related dementia and can occur in various other neurological conditions as well.
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Related Questions
Correct Answer is B
Explanation
B. Trauma during the developmental years, especially in early childhood, is considered a significant risk factor for the development of DID. Trauma disrupts normal psychological development and can lead to the fragmentation of identity as a coping mechanism to dissociate from overwhelming or traumatic experiences.
A. A history of self-injurious behavior is often associated with various mental health conditions, such as borderline personality disorder, post-traumatic stress disorder (PTSD), or depression but it is not a primary risk factor for dissociative identity disorder (DID).
C. Individuals with BPD may experience dissociative symptoms, particularly during times of stress or intense emotional arousal but BPD itself is not considered a primary risk factor for dissociative identity disorder (DID).
D. Individuals with schizophrenia may experience dissociative symptoms, such as depersonalization or derealization but these symptoms are typically secondary to psychotic experiences rather than being indicative of dissociative identity disorder (DID).
Correct Answer is D
Explanation
D. Mental illness is complex and multifactorial, and the response to medication can vary widely among individuals. While medication can be effective in alleviating symptoms for many people, factors such as genetic predisposition, neurobiological differences, environmental influences, and individual variability in brain function and structure can all impact treatment response.
A. While medication adherence is important for managing mental illness, it is rarely a cure on its own. Mental illness often requires ongoing treatment and management.
B. Some individuals may experience rapid improvement with medication, while others may take longer to see results or may require adjustments to their treatment plan.
C. Mental illness is not solely determined by willpower, and implying that it is oversimplifies the complex nature of these conditions.
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