Which of the following is the standard frequency used for a transrectal ultrasound (TRUS) probe?A. 2.5 MHzB. 3.5 MHzC. 5.5 MHzD. 7.5 MHzE. 12.0 MHz
What is the wavelength of a holmium:YAG laser?A. 532 nmB. 980 nmC. 1650 nmD. 2140 nmE. 2940 nm frcs urology question bank