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RTBC- Lab Tests 2025 Questions and Answers What are the 2 main reasons we need blood tests in diagnostic imaging? ....ANSWER☑️☑️...-1. Check adequate kidney function 2. Check adequate blood clotting Why is checking kidney function important within diagnostic imaging? ....ANSWER☑️☑️...-When injecting intravenous contrast, we need to check a patient's BUN, creatinine, and GFR levels. What is the importance of adequate blood clotting within diagnostic imaging? ....ANSWER☑️☑️...-When we insert large needles into the patient, we need to check a patient's PT, PTT, INR, and platelet function. What does BUN acronym stand for? - ....ANSWER☑️☑️...-Blood Urea Nitrogen What is the normal range given for a BUN? - ....ANSWER☑️☑️...-Normal is 7-21 What if a patient's BUN reading is above 21? - ....ANSWER☑️☑️...-Indicates that the kidneys are struggling to function. What if a patient's BUN reading is above 50? - ....ANSWER☑️☑️...-It might mean the patient is in renal failure and we do not want to give the patient intravenous contrast since the kidneys could be further damaged. What is creatinine? - ....ANSWER☑️☑️...-Is a chemical byproduct of metabolism in the muscles. It is circulated through the blood and also filtered out by the kidneys …FOR STUDY PURPOSES ONLY…©️ 2025 ALL RIGHTS RESERVED… 1