520.All are
used in ventilation scintigraphy of lung except
a. 99mTc micro-aggregate albumin (MAA
b. krypton-81m
c. xenon-133
d.99mTc-diethylenetriamine penta-acetic acid (DTPA)
e. ‘technegas’
520.---a
Perfusion (Q) scintigraphy (to assess the distribution of pulmonary blood flow) is performed using injection of microparticles (10–100μm) of 99mTc micro-aggregate albumin (MAA)
523.V/Q ‘mismatches’means
a.defects on perfusion imaging in regions that are normal on the ventilation study
b.defects on ventilation imaging in regions that are normal on the perfusion study
c.normal on perfusion imaging in regions that are also normal on the ventilation study
d.seen in pulmonary embolism with infarct
e. seen in obstructive airways disease
523.---a
a. 99mTc micro-aggregate albumin (MAA
b. krypton-81m
c. xenon-133
d.99mTc-diethylenetriamine penta-acetic acid (DTPA)
e. ‘technegas’
520.---a
Perfusion (Q) scintigraphy (to assess the distribution of pulmonary blood flow) is performed using injection of microparticles (10–100μm) of 99mTc micro-aggregate albumin (MAA)
523.V/Q ‘mismatches’means
a.defects on perfusion imaging in regions that are normal on the ventilation study
b.defects on ventilation imaging in regions that are normal on the perfusion study
c.normal on perfusion imaging in regions that are also normal on the ventilation study
d.seen in pulmonary embolism with infarct
e. seen in obstructive airways disease
523.---a
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