Arrt Ci Review Study Guide Graded A+

What is the most common location for the transducer used to measure ventricular pressures during cardiac catheterization? A. at the tip of the catheter B. 2 cm from the tip of the catheter C. at the puncture site D. outside the body {Ans: D}How long is the injection time for 30ml of contrast media delivered at 3.7ml/sec? A. 0.1sec B. 4.5sec C. 8.1sec D. 111sec {Ans: Answer: C Injection time is calculated as volume/time, so 30/3.7=8.1 seconds.}What will the magnification factor be for an object placed 20'' from the x-ray tube source and 20'' from the image receptor? A. 1x B. 1.5x C. 2x D. 4x {Ans: C According to the magnification formula FFD/FOD (SID/SOD) =40/20=2.00}Which of the following drugs controls cardiac arrythmias? A. digitalis B. quinidine procainamide C. amphetamine D. diazepam {Ans: B}What is the name given the innermost wall of an artery? {Ans: The Intima}Which of the following are characteristics of non-ionic contrast material? 1. cause fewer adverse reactions 2. do not disrupt homeostasis 3. do not disassociate in solution A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1, 2, and 3 {Ans: D.