ARRT MRI registry review exam 2024 with 100% correct answers

An RF pulse of what flip angle will maximize the component of the net magnetization projected into the transverse plane? a. 180 b. 120 c. 90 d. 45 - correct answer c. T1 relaxation refers to ____ relaxation. a. spin-spin b. longitudinal c. phase d. transverse - correct answer b. Which of the following statements is false? a. T1 relaxation refers to longitudinal recovery of magnetization while T2 relaxation refers to the transverse decay of magnetization b. T1 relaxation and T2 relaxation occur simultaneously c. echoes collected in the transverse plane demonstrate only T2 relaxation differences d. T2 relaxation occurs much more quickly than T1 relaxation - correct answer c. If the precessional frequency of the patient's protons is approximately 21 MHz, what magnetic field strengt