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CAMRT: CONTRAST EXAM 2025 QUESTIONS AND ANSWERS To differentiate between scar tissue and disc prolapse. Scar tissue enhances immediately post-con injection but disc takes 20-30 mins to enhance - ....ANSWER ...-Why is contrast given in l-spine exams? Contrast reduces T1 relaxation times. The inversion pulse nullifies enhanced structures ....ANSWER ...-Why are STIR images not used for post-con sequences? False Double or triple dose is given - ....ANSWER ...-T/F: Single dose of contrast is given to visualize the heart At least 24 hours - ....ANSWER ...-If a contrast exam has to be repeated, how many days should pass before doing the next scan? Antecubital or large forearm vein - ....ANSWER ...-What is the recommended venous access site when administering contrast media via power injection? Nephrogenic Systemic Fibrosis - ....ANSWER ...-What is a concern of administering contrast in patients with lower renal function? ...©️ 2025, ALL RIGHTS RESERVED 1