A) Organ imaging B) Measuring the radioactivity C) Monitoring the surface contamination D) RIA Answer (Select an option above to get the answer):
(Single Best Answer) Question 44: At t=0, there are 6 x 1023 radioactive atoms of a substance, which decay with a disintegration constant (lambda) equal to 0.01/sec. What would be the initial decay rate ?
A) 6 x 1023 B) 6 x 1022 C) 6 x 1021 D) 6 x 1020 Answer (Select an option above to get the answer):
(Single Best Answer) Question 45: The most sensitive imaging modality for diagnosis of ureteric stones in a patient with acute colic is ?
A) X-ray KUB region B) Ultrasonogram C) Non contrast CT scan of the abdomen D) Contrast enhanced CT scan of the abdomen Answer (Select an option above to get the answer):
(Single Best Answer) Question 46: A 40 year old male, with history of daily alcohol consumption for the last 7 years, is brought to the hospital emergency room with acute onset of seeing snakes all around him in the room, not recognizing family members, violent behaviour and tremulousness for few hours. There is history of his having missed the alcohol drink since 2 days. Examination reveals increased blood pressure, tremors, increased psychomotor activity, fearful affect, hallucinatory behaviour, disorientation, impaired judgement and insight. He is most likely to be suffering from ?
A) Alcoholic hallucinosis B) Delirium tremens C) Wernicke encephalopathy D) Korsakoff's psychosis Answer (Select an option above to get the answer):
(Single Best Answer) Question 47: A 45-year male with a history of alcohol dependence presents with confusion, nystagmus and ataxia. Examination reveals 6th cranial nerve weakness. He is most likely to be suffering from ?
A) Korsakoff's psychosis B) Wernickei encephalopathy C) De Clerambault syndrome D) Delirium tremens Answer (Select an option above to get the answer):
(Single Best Answer) Question 48: A 25 year old female presents with 2 year history of repetitive, irresistible thoughts of contamination with dirt associated with repetitive hand washing. She reports these thoughts to be her own and distressing, but is not able to overcome them along with medications. She is most likely to benefit from which of the following therapies ?
A) Exposure and response prevention B) Systematic desensitization C) Assertiveness training D) Sensate focusing Answer (Select an option above to get the answer):
(Single Best Answer) Question 49: An 18 year old student complains of lack of interest in studies for last 6 months. He has frequent quarrels with his parents and has frequent headaches. The most appropriate clinical approach would be to ?
A) Leave him as normal adolescent problem B) Rule out depression C) Rule out migraine D) Rule out on oppositional defiant disorder Answer (Select an option above to get the answer):
A) Persistent and inappropriate repetition of the same thoughts B) When a patient feels very distressed about it C) Characteristic of schizophrenia D) Characteristic of obsessive compulsive disorder (OCD) Answer (Select an option above to get the answer):