Bonnie is a nursing assistant who works in the emergency room (ER). A severe car accident caused three patients with bleeding head injuries to be admitted to the ER. Bonnie put on gloves, a mask, and protective clothing before the victims arrived. These precautions were taken to prevent blood-borne disease contamination through: A. Direct contact with blood, and contact with other bodily fluids
B. Blood transfusions and needle-stick injuries
C. Needle-stick injuries and direct contact with blood
D. Contact with other bodily fluids and blood transfusions

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?