To write an apothecary notation accurately, the following rule should be adhered to: Use ________ roman numerals to express whole numbers

In reviewing a cardiac catheterization report on a patient being assessed for coronary artery disease (CAD), about what percent reduction in artery diameter would indicate the need to proceed with balloon angioplasty and/or stenting?

A. 10% B. 30% C. 50% D. 70%

If an item in the OR is not known definitively to be sterile, what is the next action to be taken?

a. Consider it contaminated and throw it out. b. Call your supervisor. c. Keep it in the room and use it so as not to waste an opened item. d. Ask the anesthesiologist in the room to determine its sterility.