CAMRT exam 2023 with 100% correct answers

To differentiate between scar tissue and disc prolapse. Scar tissue enhances immediately post-con injection but disc takes 20-30 mins to enhance - correct answer -Why is contrast given in l-spine exams? Contrast reduces T1 relaxation times. The inversion pulse nullifies enhanced structures - correct answer -Why are STIR images not used for post-con sequences? False Double or triple dose is given - correct answer -T/F: Single dose of contrast is given to visualize the heart At least 24 hours - correct answer -If a contrast exam has to be repeated, how many days should pass before doing the next scan? Antecubital or large forearm vein - correct answer -What is the recommended venous access site when administering contrast media via power injection? Nephrogenic Systemic Fibrosis - correct answer -What is a concern of administering contrast in patients with lower renal function? Within 24 hours - correct answer -How long does it take for contrast to be excreted out of the body in patients with normal renal function? 30 mL/min - correct answer -What is the minimum eGFR a patient should have for contrast? Consult with patient and obtain further history as a reaction to iodinated contrast does not predict a future reaction to gadolinium based contrast - correct answer -A patient is coming in for a contrast brain study. It was indicated they had a previous allergic reaction to iodinated contrast. Should the technologist procee