ANATOMY
PERFUSION IMAGING
RADIOPHARM
Misc.
Misc.
100
The bronchi divides into smaller branches called
What is bronchioles
100
An adult patient should receive ___-___ tracer particles, which will occlude less than ___% of the lung arterioles but provide uniform tracer distribution
What is 200,000-700,000 and 1%
100
Name 2 ventilation imaging agents
What is Xe133 and Tc-DTPA
100
Two of the previous phases are not possible when using DTPA, what are they?
What is Single breath and washout
100
localization of MAA within the lungs is called
What is capillary blockage
200
Where carbon dioxide and oxygen are exchanged
What is alveoli
200
What size in diameter should the particles be
What is 10-90 microns
200
Is a nebulizer used for Xe133 gas
What is no...used for DTPA
200
A room using Xe should be equipped with a ventilation system that maintains ___ ___ within the room
What is neg pressure
200
___% of particles are removed from circulation on the first pass
What is 95%
300
The flow of air into and out of the lungs
What is ventilation
300
T or F Patients with pulmonary hypertension or right-to-left cardiac shunt should receive fewer particles
What is T
300
Retention of the washout phase when using Xe133 after 2-3mins may indicate
What is obstructive lung disease
300
If the ____ filter has become saturated with Xe, it decreases the trapping effectiveness
What is charcoal
300
What is the critical organ for Xe133 ventilation lung scan
What is trachea
400
The most common clinical indication for lung imaging
What is pulmonary emboli
400
The patient should be in an upright or supine position
What is supine
400
What is the standard view for Xe133
What is posterior
400
T or F MAA imaging is performed before using DTPA ventilation
What is F
400
What is the half life of Xe133
What is 5.2 days
500
T or F The number of arterioles that are blocked with tracer depends on the number of particles injected
What is T
500
Name the static views taken for a perfusion scan
What is Anterior, posterior, R and L laterals, R and L posterior and anterior obliques
500
The following images are obtained: ___ ___, acquired during initial inhalation of the gas; ____ or ____, collected while the Xe distributes throughout the aerated portions of the lungs; and _____, taken while the radioactivity is cleared from the lungs
What is single breath, washin or equilibrium, washout
500
What is the lung quantitation used for?
What is to predict the expiratory volume of ea. lung after surgery
500
What organ receives the greatest amount of radiation using MAA
What is the lung
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