CT REGISTRY 1st Exam Verified Answers

CT REGISTRY 1st Exam Verified Answers An average range for activated PTT is: 25 to 35 seconds Which of the following is the correct angle of insertion for placing a butterfly needle into a vein for intravenous administration of a contrast agent? 15° Total volume of 125 mL of an iodinated contrast agent is administered intravenously via automatic injection in 50 seconds. The flow rate for this injection is: 2.5 mL The acronym CTDI is used to describe which of the following? A quality control test that measures the accuracy of the laser lighting system. While one is obtaining a thorough history from the patient prior to the intravenous injection of an iodonated contrast material, which of the following topics should be included? 1. Any prior allergic reactions to contrast media 2. Presence of HIV or hepatitis infection 3. History of asthma 1 and 3 only Which of the following factors may affect our patients calculated globular filtration rate (GFR)? 1. Age 2. Sex 3. Race 1, 2, & 3 Which of the following intravenous contrast agent administration methods provides the greatest over all plasma iodine concentration? Bolus technique A patient in shock may exhibit which of the following symptoms? 1. tachycardia