32 Neuropsychiatry – 4
| T | F | |
|---|---|---|
| 1. A frontal lesion is the likely cause of dyslexia without agraphia. |  |  |
| 2. In receptive aphasia speech can be fluent. |  |  |
| 3. Acute confusional states due to carbon monoxide poisoning may last 2–3 weeks. |  |  |
| 4. Most patients with CJD have abnormalities on CT brain scan. |  |  |
| 5. Normal CSF glucose is 1–4 mmol per litre. |  |  |
| 6. Benzodiazepines increase beta waves on the EEG. |  |  |
| 7. Primary generalized epilepsy is usually associated with an aura. |  |  |
| 8. Absence seizures in combination with generalized tonic-clonic seizures (GTCS) are associated with an increased risk of psychosis. |  |  |
| 9. The prefrontal cortex is involved in the control of attention. |  |  |
| 10. Autosomal dominant diseases usually show incomplete penetrance. |  |  |
| 11. Restriction fragment length polymorphisms (RFLPs) are inherited in a Mendelian fashion. |  |  |
| 12. Herpes virus encephalitis is associated with progressive memory loss. |  |  |
| 13. Psychosis in HIV is associated with a poor outcome. |  |  |
| 14. Huntington’s disease is caused by a CAG repeat of greater than 35. |  |  |
| 15. The anterior thalamus is affected in Huntington’s disease. |  |  |
| 16. The primacy effect is a feature of declarative memory. |  |  |
| 17. Pathological laughing and crying is found in the early stages of multiple sclerosis. |  |  |
| 18. Narcolepsy is associated with sudden onset REM sleep. |  |  |
| 19. Neglect is a characteristic feature of right-sided parietal lobe lesion. |  |  |
| 20. The planum temporale is located close to the auditory cortex. |  |  |
| 21. If there is a left-sided hemiplegia, there is increased likelihood of a reading disorder. |  |  |
| 22. Serotonin inhibits REM sleep. |  |  |
| 23. Obstructive sleep apnoea is more common in ages 40–60 years. |  |  |
| 24. Depression may present with similar features to hyperthyroidism. |  |  |
| 25. Pantothenic acid deficiency causes dementia. |  |
