Which of the Following Statements Is True Regarding the Different

Which of the following statements is true regarding the different types of shanks?

A) The long, straight shank is used in the straight-line attachment, and fits on the high-speed handpiece.
B) The long, straight shank is used in the angle attachment, and fits on the low-speed handpiece.
C) The latch-type shank has a small groove at the end that mechanically locks into the contra-angle attachment, and fits on the high-speed handpiece.
D) The friction-grip shank is short and smooth and has no retention grooves in the end. The shank is held in the high-speed handpiece by the creation of friction that grips the entire shank.