d.All of the above 21.Ga in medici a.Measuring the radioactivity is used for c.Monitoring the surface contamination b.Organ imaging d.Radioimmuneassay 22.The cranial nerve readily visualized on CT images 02 Al about intr xcep c.Acute subdural hemorraghe appears as b.Extradural hemato na appears as a hyperdense in sulcal spaces basal cisterns lenticular shaped extra-axial collection d.The com onest site for hypertensive bleed is I ganglia graphically h Wood None 25.Contrast media of choice in investigating a suspected case of ileal perforation a.Barium sulphate C. Dionosul viscous 26.Angl astrogr Lipoidol ifurcation is increased in enlargement of b Lt ventricle d.Lt atrium 27.Following renal calculi are radiopaque except a.Uric acid Triple phosphate Calciun xalat d.Staghorn calculus 28.Rad otection shields are made up of d.Tead c. 29.Which radiations is most harmful to body Beta particl d.am na rays who a.Diagnoses the disease using the imaging moda e like e a physiciand. All of the above 21.Gamma camera in nuclear medicine is used for a. Measuring the radioactivity b. Organ imaging c. Monitoring the surface contamination d. Radioimmuneassay 22.The cranial nerve readily visualized on CT images a. I b. II c. III d. IV 23.All are true about intracranial hematomas except a. Acute hematoma appear hyper dense on CT b. Extradural hematoma appears as a lenticular shaped extra-axial collection c. Acute subdural hemorraghe appears as hyperdense in sulcal spaces & basal cisterns d. The commonest site for hypertensive bleed is basal ganglia 24.Which of the following foreign bodies can be visualized radiographically a. Glass b. Wood c. Plastic d. None 25.Contrast media of choice in investigating a suspected case of ileal perforation a. Barium sulphate b. Gastrograffin c. Dionosul viscous d. Lipoidol 26.Angle of tracheal bifurcation is increased in enlargement of a. Rt ventricle b. Lt ventricle c. Rt atrium d. Lt atrium 27.Following renal calculi are radiopaque except a. Uric acid b. Calcium oxalate c. Triple phosphate d. Staghorn calculus 28.Radiation protection shields are made up of a. Copper b. Silver c. Lead d. Tin 29.Which radiations is most harmful to body a. Alpha particle b. Beta particle c. Gamma rays d. X rays 30.Interventional radiologist is the person who a.Diagnoses the disease using the imaging modalities b.Treats the disease like a physician c.Diagnoses & treats the disease using the imaging modalities d.Guides the physician for treating the disease