Cerebellar degeneration is associated with abuse of which of the following drugs?
Alcohol
Cannabis
Benzodiazepines
Opioids
The Correct Answer is A
Choice A reason: Chronic alcohol abuse is strongly associated with cerebellar degeneration. Alcohol is neurotoxic to cerebellar Purkinje cells, leading to ataxia, tremors, and coordination deficits. This condition is particularly common in individuals with long-term alcohol dependence and nutritional deficiencies, especially thiamine deficiency.
Choice B reason: Cannabis use may affect cognition and motivation but is not linked to cerebellar degeneration. Neurological damage from cannabis is not typically structural or degenerative in nature.
Choice C reason: Benzodiazepines can cause sedation, memory impairment, and dependence, but they are not associated with cerebellar degeneration. Their effects are more functional and reversible.
Choice D reason: Opioids depress the central nervous system and can lead to respiratory depression and dependence. However, they are not known to cause cerebellar degeneration. Their impact is more systemic and does not target cerebellar structures.
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Related Questions
Correct Answer is D
Explanation
Choice A reason: Cognitive behavioral therapy (CBT) for parents is a valid and evidence-based intervention for managing ADHD. It helps parents develop strategies to reinforce positive behaviors and manage symptoms effectively.
Choice B reason: Family therapy and education are important components of ADHD management. Educating the family about the disorder and improving communication can enhance treatment outcomes and reduce stress.
Choice C reason: Dietary modifications, such as reducing artificial additives or exploring elimination diets, have been explored as adjunctive treatments. While evidence is mixed, they are considered valid nonpharmacologic options under clinical guidance.
Choice D reason: Treatment of learning disorders is important if comorbid conditions exist, but it is not a direct treatment for ADHD itself. Learning disorders may coexist with ADHD, but addressing them does not target core ADHD symptoms like inattention, hyperactivity, or impulsivity.
Correct Answer is C
Explanation
Choice A reason: The p-value indicates the probability that observed results occurred by chance. It is used in conjunction with other tests, such as the t-test, but does not itself compare group means.
Choice B reason: ANOVA is used to compare means across three or more groups. While it is an inferential statistic, it is not the best choice when comparing only two groups.
Choice C reason: The t-test is specifically designed to compare the means of two groups to determine if they are statistically different. It is widely used in clinical and experimental research for this purpose.
Choice D reason: Pearson’s r correlation measures the strength and direction of a linear relationship between two variables. It does not assess differences in group means.
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