A radiograph is produced using 70 kVp and 10 mAs. If kVp is decreased to 60, how much mAs is required to maintain exposure?

Which one of the following is necessary to obtain an accurate pulse oximetry measurement?

A) Elevate the patient's hand above his heart. B) Secure the probe to the patient's finger with tape. C) Remove nail polish from the patient's fingernail. D) Administer oxygen before assessing the oxygen saturation.

________________ are usually distributed after the case is underway or just before the case begins

A. Sutures C. Irrigation and soaking solutions B. Medications D. Dressings