Neuropsychiatry – 1

Published on 23/05/2015 by admin

Last modified 23/05/2015

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29 Neuropsychiatry – 1

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1. Alexia with agraphia is associated with anomia.
2. In bilingual patients, the first language is most affected in aphasia.
3. Wernicke’s area is supplied by the anterior cerebral artery.
4. Early CJD is associated with specific EEG changes.
5. Methionine homozygosity of the polymorphic residue at codon 129 is associated with nvCJD.
6. Alpha waves increase on eye opening.
7. Epileptic automatisms usually last 5 to 15 minutes.
8. Interictal psychosis in complex partial seizures is almost always associated with non-dominant focus.
9. Seizures lasting more than 30 minutes indicate non-epileptic rather than true seizure.
10. Methylenetetrahydrofolate reductase gene polymorphism is a risk factor for hyperhomocysteinaemia.
11. Polymerase chain reaction involves dissolving DNA at 95 °C.
12. Apathy is a common feature of patients with penetrating head injury to the right frontal cortex, even at 5 years follow-up.
13. Increased sensitivity to neuroleptics is a complication of HIV infection.
14. The suicide rate in HIV is 10% higher than expected.
15. The EEG shows exaggerated spikes in Huntington’s disease.
16. Episodic memory is usually impaired in semantic dementia.
17. Euphoria in multiple sclerosis is associated with cognitive impairment.
18. ECT is contraindicated in the treatment of depression in multiple sclerosis.
19. Non-dominant parietal lobe lesions lead to apraxia.
20. Prosopagnosia means impaired recognition of previously well-known faces.
21. Galvanic skin conductance is increased in anxiety disorders.
22. Slow wave sleep is decreased in the elderly.
23. Alcohol can precipitate sleepwalking.
24. Tau protein is essential for microtubule formation.
25. Persecutory delusions are more common than hallucinations in hypothyroidism.