ARRT CI Review Questions & Answers A+

ARRT CI Review Questions & Answers A+ What is angiography? A. radiographic exam of veins B. radiographic exam of arteries C. radiographic exam of vessels D. the study of vascular flow patterns - ANSWER-Answer: C What term describes a guide wire in which position of the inside portion can be varied? A. J guide wire B. straight guide wire C. fixed core D. moveable core - ANSWER-D How is the measurement of the flow rate of an automatic contrast injector determined? A. contrast amount delivered per time B. Heating device C. contrast volume times contrast rate D. syringe size - ANSWER-A Which of the following is used during cardiac catheterization? 1. Guide wire 2. Catheter 3. Pressure injector A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1, 2 and 3 - ANSWER-D What is a normal adult Blood Pressure A. 100/40 B. 120/40 C. 120/80 D. 160/80 - ANSWER-C What is pitressin? A. Vasopressin B. Corticosteroid C. Diazepam D. Atropine - ANSWER-A What is the best projection for left ventriculography? A. 30 degrees RAO B. 60 degrees RAO C. 20 degrees LAO D. 45 degrees LAO - ANSWER-A Which of the following describes the response of a catheter to twisting and turning? A. torque B. memory C. friction D. control - ANSWER-A Which French size catheter has an outer diameter of 2.31 mm? A. four B. five C. six D. seven - ANSWER-D A 2.31 mm outer diameter catheter equals 7 French scale. Each 0.33 mm equals approximately 1 French How long is the injection time for 12ml of contrast media delivered at 2.5 ml/sec? A. 0.2 sec B. 2.5 sec C. 4.8 sec D. 30 sec - ANSWER-C What does the acronym "PSI" represent? A. probable significant instances B. Partly saturated intravenously C. pounds per square inch D. pounds per inch - ANSWER-PSI stands for: pounds per square inch Which of the following can be avoided by proper use of a automatic injector pressure limit control? 1. Vessel damage 2. catheter whipping 2. catheter breakage A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1,2, and 3 - ANSWER-Proper use of an automatic injector pressure control avoids vessel damage, catheter whipping, and catheter damage. Which of the following are the functions of a digital image processor? 1. digitizing television frames 2. displaying digital images 3. storing digital images A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1, 2, and 3 - ANSWER-A digital processor digitizes television frames and stores, displays, and manipulates them. What effect does the addition of side holes in a catheter have on the total flow rate? A. 10 to 20 percent increase B. 50 to 60 percent increase C. 10 to 20 percent decrease D. 50 to 60 percent decrease - ANSWER-The addition of side holes in a catheter will increase the flow rate to 10 to 20 percent. What is the area relationship indicated by the power factor of an automated injector? 1. power cylinder 2. catheter 3. syringe A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1, 2, and 3 - ANSWER-The power factor of an automatic power injector indicates the area relationship of the power cylinder to the syringe How long is the injection time for 12ml of contrast media delivered at 2.5 ml/sec? A. 0.2 sec B. 2.5 sec C. 4.8 sec D. 30 sec - ANSWER-Answer: C Injection time is calculated as volume/time, so 12/2.5 equals 4.8 seconds Which of the following describe exact framing of a fluoroscopic image in a Cine film system? 1. the circular image intensifier image is included within the square film frame. 2. the diameter of the intensifier image is equal to the mean of the transverse dimensions of the useful square film area. 3. The diameter of the intensifier image is equal to the diagonal dimensions of the useful square film area. A. 1 only B. 2 only C. 3 only D. 1,2, and 3 - ANSWER-Answer: A Exact framing of a fluoroscopic image for Cine film recording includes the entire fluoroscopic with the circular image within the square film frame Which of the following can be avoided by proper use of a automatic injector pressure limit control? 1. Vessel damage 2. catheter whipping 2. catheter breakage Continues...