A) 94% of cases are sporadic B) Patients with sporadic retinoblastoma do not pass their genes to their offsprings C) Calcification in the tumor can be detected on ultrasound scan D) Presence of extraocular extension Answer (Select an option above to get the answer):
(Single Best Answer) Question 134: Appropriate material for antenatal diagnosis of genetic disorders include all of the following except ?
A) Fetal blood B) Amniotic fluid C) Chorionic villi D) Maternal urine Answer (Select an option above to get the answer):
A) The phase of activity and growth B) The phase of transition C) The phase of resting D) The phase of degeneration Answer (Select an option above to get the answer):
(Single Best Answer) Question 137: An undifferentiated malignant tumour on immunohistochemical stain shows cytoplasmic positivity of most of the mtumour cell for cytokeratin. The most probable diagnosis of the tumour is ?
A) Sarcoma B) Lymphoma C) Carcinoma D) Malignant Melanoma Answer (Select an option above to get the answer):
(Single Best Answer) Question 138: An infant had high grade fever and respiratory distress at the time of presentation to the emergency room. The sample collected for blood culture was subsequently positive showing growth of á haemolytic colonies. On Gram staining these were gram positive cocci. In the screening test for identification, the suspected pathogen is likely to be susceptible to the following agent ?
A) Bacitracin B) Novobiocin C) Optochin D) Oxacillin Answer (Select an option above to get the answer):
(Single Best Answer) Question 139: An 18 year 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 diagnosis is ?
A) Poliomyelitis B) Botulism C) Diphtheria D) Porphyria Answer (Select an option above to get the answer):