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
The gold standard for the diagnosis of osteoporosis is: A. Dual energy X-ray absorptiometry B. Single energy X-ray absorptiometry C. Ultrasound D. Quantitative computed tomography Correct answer :
At t=0 there are 6 x 10^23 radioactive atoms of a substance, which decay with a disintegration constant equal to 0.01/sec. What would be the initial decay rate?
The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as A. Arc technique B. Modulation C. Gating D. Shunting Correct
Which one of the following radioisotope is not used as permanent implant: A. Iodine-125 B. Palladium-103 C. Gold-198 D. Caesium-137 Correct answer : D. Caesium-137 Permanent implants for
In Radionuclide imaging the most useful radio pharamaceutical for skeletal imaging is: A. Gallium 67 B. Technetium sulphur colloid C. Technetium-99m D. Technetium—99m linked to Methylene disphosphonate Correct
Gamma camera in Nuclear Medicine is used for: A. Organ imaging B. Measuring the radioactivity C. Monitoring the surface contamination D. RIA Correct answer : B. Measuring the
The MR imaging in multiple sclerosis will show lesions in: A. White matter B. Grey matter C. Thalamus D. Basal ganglia Correct answer : A. White matter Multiple
The most important sign of signficant renal artery stenosis in an angiogram is: A. A percentage diameter stenosis > 70% B. Presence of collaterals C. A systolic pressure
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