Question 1: Which of the following techniques uses piezo-electric crystals ?
A) Ultrasonography
B) NMR imaging
C) X-ray diffraction
D) Xeroradiography
Answer:
A
Question 2: Which of the following is the incorrect statement regarding GI Bleeding ?
A) The sensitivity of angiography for detecting GI Bleeding is about 10 - 20 % as compared to Nuclear Imaging
B) Angiography can image bleeding at a rate of 0.05 - 0.1/min or less
C) 99mTc-RBC scan will image bleeding at rates as low as 0.05 - 0.1 ml/min
D) Angiography will detect bleeding only if extravasation is occuring during the injection of contrast
Answer:
B
Question 3: A middle aged man presents with progressive atrophy and weakness of hands and forearms. On examination he is found to have slight spasticity of the legs, generalized hyper-reflexia and increased signal in the cortico-spinal tracts on T2 weighted MRI. The most likely diagnosis is ?
A) Multiple sclerosis
B) Amotrophic lateral sclerosis
C) Subacute combined degeneration
D) Progressive spinal muscular atrophy
Answer:
B
Question 4: A 6 year old boy has been complaining of headache, ignoring to see the objects on the side for four months. On examination, he is not mentally retarded, his grades at school are good, and visual acuity is diminished in both the eyes. Visual charting showed significant field defect. CT scan of the head showed suprasellar mass with calcification. Which of the following is the most probable diagnosis ?
A) Astrocytoma
B) Craniopharyngioma
C) Pituitary adenoma
D) Meningioma
Answer:
Question 5: Which one of the following hepatic lesions can be diagnosed with high accuracy by using nuclear imaging ?
A) Hepatocellular Carcinoma
B) Hepatic Adenoma
C) Focal Nodular Hyperplasia
D) Cholangiocarcinoma
Answer:
Question 6: In computed tomography (CT), the attenuation values are measured in Hounsfield units (HU). An attenuation value of '0' (zero) HU corresponds to ?
A) Water
B) Air
C) Very dense bone structures
D) Fat
Answer:
B
Question 7: The EEG cabins should be completely shielded by a continuous sheet of wire mesh of copper to avoid the picking up of noise from external electromagnetic distrubances. Such a shielding is called as ?
A) Maxwell cage
B) Faraday cage
C) Edison's cage
D) Ohms cage
Answer:
B
Question 8: Which one of the following is the earliest radiographic manifestations of childhood leukemia ?
A) Radiolucent transverse metaphyseal bands
B) Diffuse demineralization of bones
C) Osteoblastic lesions in skull
D) Parenchymal pulmonary lesions on chest films
Answer:
Question 9: In which of the following conditions the lead pipe appearance of the colon on a barium enema is seen ?