FISH is helpful in diagnosing:
- A. Prader-Willi syndrome
- B. Di George syndrome
- C. Klinefelter's syndrome
- D. Turner's syndrome
Correct Answer: B
Rationale: FISH (Fluorescence In Situ Hybridization) is particularly useful in diagnosing DiGeorge syndrome, which involves microdeletions on chromosome 22.
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Regarding cisapride:
- A. It is licensed for use in children
- B. Fatal arrhythmias have been reported
- C. Concurrent administration with erythromycin is not advised
- D. It commonly causes constipation
Correct Answer: B
Rationale: Fatal arrhythmias have been reported: Cisapride, a gastrointestinal prokinetic agent, has been linked to fatal arrhythmias, particularly when combined with certain drugs like erythromycin.
Recognised features in Marfan's syndrome include:
- A. Mutation in fibrillin gene
- B. Mitral valve prolapse
- C. Cognitive impairment
- D. Myopia
Correct Answer: B
Rationale: Mitral valve prolapse
Which of the following is an example of ductus dependent systemic circulation?
- A. Severe Ebstein's anomaly
- B. Pulmonary atresia
- C. Tricuspid atresia
- D. Interruption of aortic arch
Correct Answer: D
Rationale: Interruption of aortic arch is ductus dependent as it relies on the ductus arteriosus for systemic blood flow.
A nurse assesses an older adult client who is experiencing a myocardial infarction. Which clinical manifestation should the nurse expect?
- A. Excruciating pain on inspiration
- B. Left lateral chest wall pain
- C. Disorientation and confusion
- D. Numbness and tingling of the arm
Correct Answer: C
Rationale: Older adults may present with atypical symptoms of myocardial infarction, such as confusion or disorientation, rather than classic chest pain.
Mental retardation is found in all the following:
- A. Trisomy 21
- B. Morquio syndrome
- C. Homocystinuria
- D. Ehlers-Danlos syndrome
Correct Answer: A
Rationale: Trisomy 21 (Down syndrome) is a well-known cause of mental retardation. Morquio syndrome, Homocystinuria, and Ehlers-Danlos syndrome are not typically associated with mental retardation.