RTBC: IV Contrast- Patient Preparation UPDATED ACTUAL Exam Questions and CORRECT Answers

RTBC: IV Contrast- Patient Preparation
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Recommendation for dietary instructions prior to an exam involving injection of iodine contrast
media include which of the following? - CORRECT ANSWER - Increased hydration the
day before the exam and nothing by mouth (NPO) for one hour prior to the exam


Increased hydration prior to an injection of iodine contrast media is recommended for what
reason? - CORRECT ANSWER - Ease the burden on the kidneys when the contrast media
is filtered through the kidneys


Which of the following lab tests are important for evaluating renal function before injection of
iodine contrast media? (select all that apply) - CORRECT ANSWER - Creatinine
Glomerular Filtration Rate (GFR)
Blood Urea Nitrogen (BUN)


What is the normal range for blood urea nitrogen (BUN)
5 - 10 mg/dl
7 - 21 mg/dl
20 - 35 mg/dl

30 - 50 mg/dl - CORRECT ANSWER - 7 - 21 mg/dl


Which of the following is a byproduct of the metabolic activity in the muscles? - CORRECT
ANSWER - Creatinine



What is the normal range for creatinine levels in a healthy adult? - CORRECT ANSWER -
0.7 - 1.5 mg/dl