Which of the following statements is true of taking rectal temperatures?
(A) The nursing assistant should not explain the procedure before beginning so the resident will not feel anxious.
(B) Rectal thermometers should be inserted two inches into the rectum.
(C) The nursing assistant must hold on to the thermometer at all times while taking a rectal temperature.
(D) To obtain an accurate temperature, the resident should move around slowly during the procedure.