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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
D. The client's symptoms, including paranoia, perceptual disturbances (such as seeing things that aren't there), erratic behavior, and disorientation, are consistent with the effects of hallucinogens. Hallucinogens are a class of drugs that alter perception, mood, and cognitive processes.
A. Anabolic steroids are synthetic variations of the male sex hormone testosterone. They are primarily used to promote muscle growth and enhance athletic performance.
B Opioids are a class of drugs that include prescription pain relievers, such as oxycodone and morphine, as well as illegal drugs like heroin.
C. Stimulants, such as cocaine and amphetamines, can cause symptoms such as paranoia, agitation, and hallucinations, particularly at high doses or with chronic use. However, the client's symptoms of darting eyes, paranoia, yelling, mumbling, and gesturing are more suggestive of hallucinogen use rather than stimulant use.
Correct Answer is C
Explanation
C. Schizotypal personality disorder is characterized by eccentric behavior, odd beliefs or magical thinking, unusual perceptual experiences, and social and interpersonal deficits. Individuals with this disorder may exhibit peculiar or paranoid beliefs, such as believing they have special powers or abilities like mind-reading, as described in the scenario.
A. Antisocial personality disorder is characterized by a pervasive pattern of disregard for and violation of the rights of others. Individuals with this disorder may engage in behaviors such as deceitfulness, impulsivity, aggression, and lack of remorse.
B. Paranoid personality disorder is characterized by a pervasive distrust and suspicion of others, leading to interpersonal difficulties and a heightened sense of threat or persecution.
D. Avoidant personality disorder is characterized by social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation, leading to avoidance of social interactions and situations.
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