69 - AIIMS MAY 2006 paper - part 20

191. On electromyography, all of the following features suggest denervation, except: 
1. Unregulated firing of individual muscle fibres 
2. Small short-duration polyphasic action potentials 
3. Presence of positive sharp waves 
4. Sopontaneous firing of motor units 

Ans. -2 

192. Which one of the following is the characteristic feature of juvenile myoclonic epilepsy? 
1. Myoclonic seizures frequently occur in morning 
2. Complete remission is common 
3. Response to anticonvulsants poor 
4. Associated absence seizures are present in majority of patients 

Ans. -1 

193. Prolonged use of one of the following anti convulsant can produce weight loss: 
1. Gabapentin 
2. Oxcarbazepine 
3. Topiramate 
4. Valproic acid 

Ans. -3 

194. A housewife ingests a rodenticide white powder accidentally. She is brought to hospital where the examination shows generalized, flaccid paralysis and an irregular pulse. ECG shows multiple ventricular ectopics, generalized changes with ST-T. Serum potassium is 2.5 mEq/L. The most likely ingested position is: 
1. Barium carbonate 
2. Superwarfarins 
3. Zinc phosphide 
4. Aluminium phosphide 

Ans. -1 

195. In acute pulmonary embolism, the most frequent ECG finding is: 
1. S1Q3T3 pattern 
2. P pulmonale 
3. Sinus tachycardia 
4. Right axis deviation 

Ans. -4 

196. A patient aged 65 years, is diagnosed to have severe aplastic anemia. HLA compatible sibling is available. The best optionof treatment is : 
1. Anti-thymocyte globulin followed by cyclosporine 
2. A conventional bone marrow transplantation from the HLA identical sibling 
3. A non-myeloablative bone marrow transplantation from the HLA identical sibling. 
4. Cyclosporine 

Ans. -2 

197. An 18 years old male presented with acute onset descending paralysis of 3 days duration. There is also a history of blurring of vision for the same duration. On examination, the patient has quadriparesis with areflexia. Both the pupils are non-reactive. The most probable diagnisis is : 
1. Poliomyelitis 
2. Botulism 
3. Diphtheria 
4. Porphyria 

Ans. -2 

198. Episodic generalized weakness can occur due to all of the following acute electrolyte disturbances, except : 
1. Hypokalemia 
2. Hypocalcemia 
3. Hyponatremia 
4. Hypophosphatemia 

Ans. -3 

199. A symmetric high-voltage, triphasic slow wave pattern is seen on EEG in the following : 
1. Hepatic encephalopathy 
2. Uremic encephalopathy 
3. Hypoxic encephalopathy 
4. Hypercarbic encephalopathy 

Ans. -1 

200. A 15 year old female presented to the emergence department with history of recurrent epistaxis, hematuria and hematocheza. There was a history of profuse bleeding from the umbilicus stump at birth. Previous investigations revealed normal prothrombin time, activated partial thromboplastin time, thrombin time and fibrinogen levels. Her platelet counts as well as platelet function tests were normal but urea clot lysis test was positive. Which one of the following clotting factor is most likely to be deficient? 
1. Factor X. 
2. Factor XI. 
3. Factor XII. 
4. Factor XIII. 

Ans. -4