CT IMAGING PROCEDURES SCAN PARAMETERS QUESTIONS WITH COMPLETE ANSWERS

Can you power inject a jugular line?


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No extravasation in the neck could cause occlusion of the arterial supply to
the brain and induce symptoms of stroke




The average flow rate recommended for venous phase imaging of the abdomen is:
A. 1 ml per second
B. 3 ml per second
C. 5 ml per second
D. 10 ml per second


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, B. 3 ml per second




What is the purpose of warming intravenous contrast prior to injection?
A. Decreased Viscosity
B. Increased Radiopacity
C. Decreased Chemical toxicity


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A only. Decreased Viscosity
Decreasing viscosity decrease the risk of extravasation




This phase of contrast enhancement in the abdomen peaks at 50-60 seconds after
initiating IV contrast injection.


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Portal venous phase




A new CT protocol requires scanning the liver at exactly 25 seconds after initiating IV
contrast injection. This can be accomplished by which scan timing method.
1. Scan Delay time
2. Test Bolus
3. Bolus Tracking


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