Q274.Which
is the objective sign of identifying pulmonary plethora in a chest radiograph?
A. Diameter
of the main pulmonary artery > 16mm.
B. Diameter
of the left pulmonary artery > 16mm.
C. Diameter
of the descending right pulmonary artery > 16mm.
D.
Diameter of the descending left pulmonary artery
> 16mm.
Ans: C. Diameter of the descending right pulmonary
artery > 16mm.
Q275.The
most accurate investigation for assessing ventricular function is :
A. Multislice
CT.
B. Echocardiography.
C. Nuclear
scan.
D. MRI.
Ans: B. Echocardiography.
Q276.The
most important sign of significance of renal artery stenosis on an angiogram
is:
A. A
percentage diameter stenosis > 70%.
B. Presence
of collaterals.
C. A
systolic pressure gradient > 20mm Hg across the lesion.
D. Post
stenotic dilatation of the renal artery.
Ans: A. A percentage diameter stenosis > 70%.
Q277.The MR
imaging in multiple sclerosis will show lesions in:
A. White
matter.
B. Grey
matter.
C. Thalamus.
D. Basal
ganglia.
Ans: A. White matter.
Q278.The
most common location of hypertensive intracranial haemorrhage is :
A. Subarachnoid
space.
B. Basal
ganglia.
C. Cerebellum.
D.
Brainstem.
Ans: B. Basal ganglia.
Q279.Which
of the following causes rib-notching on the chest radiograph?
A. Bidirectional
Glem shunt.
B. Modified
Blalock-Taussing shunt.
C. IVC
occusion.
D.
Coarctation of aorta.
Ans: D. Coarctation of aorta.
Q280.The
most sensitive imaging modality to detect early renal tuberculosis is:
A. Intravenous
urography.
B. Computed
tomography.
C. Ultrasound.
D. Magnetic
Resonance Imaging.
Ans: A. Intravenous urography.
Q281.All of
them use non-ionizing radiation, except:
A. Ultrasonography.
B. Thermography.
C. MRI.
D.
Radiography.
Ans: D. Radiography.
Q282.All of
the following modalities can be used for in-situ ablation of liver secondaries,
except:
A. Ultrasonic
waves.
B. Cryotherapy.
C. Alcohol.
D. Radiofrequency.
Ans: A. Ultrasonic waves.
Q283.All of
the following radioisotopes are used as systemic radionucleide, except:
A. Phosphorus-32.
B. Strontium-89.
C. Iridium-192.
D. Samarium-153.
Ans: D. Samarium-153.
Q284.Phosphorous-32
emits:
A. Beta
particles.
B. Alfa
particles.
C. Neutrons.
D. X-rays.
Ans: A. Beta particles.
Q285.Which
one of the following imaging techniques gives maximum radiation exposure to the
patient?
A. Chest
X-ray.
B. MRI.
C. CT
scan.
D.
Bone scan.
Ans: C. CT scan.
Q286.Which
one of the following has the maximum ionization potential?
A. Electron.
B. Proton.
C. Helium
ion.
D.
Gamma Photon.
Ans: C. Helium ion.
