All are causes of intellectual disability except
Fetal alcohol syndrome
Down syndrome
Serotonin syndrome
Fragile X syndrome
The Correct Answer is C
A. Fetal alcohol syndrome (FAS) is a leading preventable cause of intellectual disability. Prenatal alcohol exposure disrupts brain development, leading to cognitive impairment, behavioral problems, and facial abnormalities.
B. Down syndrome (trisomy 21) is a genetic disorder that causes intellectual disability, developmental delays, and characteristic physical features. It results from an extra copy of chromosome 21, affecting brain development and cognitive function.
C. Serotonin syndrome is an acute, life-threatening condition caused by excessive serotonin activity due to medication overdose or drug interactions (e.g., SSRIs, MAOIs, MDMA). Symptoms include hyperreflexia, autonomic instability, and altered mental status, but it does not cause intellectual disability.
D. Fragile X syndrome is a genetic disorder caused by a mutation in the FMR1 gene on the X chromosome. It is the most common inherited cause of intellectual disability, leading to cognitive impairments, social anxiety, and hyperactivity, often resembling autism spectrum disorder (ASD).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Aripiprazole (Abilify) is a second-generation (atypical) antipsychotic with a lower risk of extrapyramidal symptoms (EPS) due to its partial dopamine agonist mechanism. It has a lower incidence of tardive dyskinesia and dystonia compared to typical antipsychotics.
B. Clozapine (Clozaril) has the lowest risk of EPS among antipsychotics because it weakly blocks D2 receptors and primarily targets serotonin (5-HT2A) receptors. However, it carries a high risk of agranulocytosis, sedation, and metabolic syndrome.
C. Lurasidone (Latuda) is a second-generation antipsychotic with a moderate risk of EPS, particularly akathisia (restlessness). However, it has a lower risk than first-generation (typical) antipsychotics like haloperidol.
D. Haloperidol (Haldol) is a first-generation (typical) antipsychotic with a high risk of EPS due to its strong dopamine (D2) receptor blockade. It is associated with dystonia, akathisia, parkinsonism, and tardive dyskinesia, making it the antipsychotic with the highest EPS risk in this list.
Correct Answer is B
Explanation
A. Psychotherapy. Cognitive-behavioral therapy (CBT) is the first-line treatment for somatic symptom disorder (SSD). It helps patients recognize and modify maladaptive thoughts about their physical symptoms, reducing distress and improving coping mechanisms.
B. Antipsychotics. Antipsychotic medications are not typically recommended for SSD unless there is a comorbid psychotic disorder or severe delusional thinking. SSD is primarily driven by excessive health-related anxiety and preoccupation with physical symptoms, not psychosis.
C. Anti-anxiety medications. Short-term use of anxiolytics (e.g., benzodiazepines) may help with acute anxiety symptoms, but they are not the preferred treatment due to the risk of dependence. SSRIs and psychotherapy are more effective long-term for managing anxiety in SSD.
D. Antidepressants. SSRIs and SNRIs are commonly used to treat SSD, especially when there is underlying depression or anxiety. These medications help reduce excessive preoccupation with physical symptoms and improve overall emotional well-being.
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