One year after someone quits smoking, the risk of artery disease is ____________________% the risk of an active smoker.

In the contextual interference experiment by Lee and Magill, the practice schedule that yielded the same results as the random schedule was the ________ practice schedule.

Fill in the blank(s) with the appropriate word(s).

________ forceps are two-pronged with serrated tips to hold tissue.

A. Needle holder B. Splinter C. Thumb D. Sponge