Based on medical assistants' typical duties, what is the most likely way they could be exposed to infectious pathogens?
A. Someone does not properly dispose of a needle, and a medical
assistant suffers a needle stick when disposing of a needle.
B. A medical assistant forgets to wear a protective cover when
taking X-rays of a patient's broken arm.
C. A medical assistant forgets to wear gloves when cleaning up and
treating a patient's open wound.
D. Patients in the waiting room are coughing without covering their
mouths and touching items in the office.

Mr. will, a 67-year-old patient, is postoperative day 2 after a coronary artery bypass graft operation to revascularize his coronary arteries that were significantly blocked. he has a midline incision of his chest and a 7-inch incision on the inner aspect of his right thigh where a saphenous vein graft was harvested and used to vascularize the blocked coronary artery. the surgeon ordered oxycodone 5 mg every 4 hours prn for moderate pain and oxycodone 10 mg every 4 hours prn for severe pain. a. considering the patient's age, what medication administration considerations should the nurse incorporate into the pain management plan and why? b. what measures should the nurse provide the patient to prevent adverse effects of analgesic agents from occurring? c. what nonpharmacologic pain management methods should the nurse teach to mr. will to assist with pain management?