Correct Answer: C

Rationale: The wafer should be measured and cut about 1/8" larger than the stoma to ensure proper fit and prevent skin irritation.

Correct Answer: A

Rationale: When teaching a patient how to use a colostomy, only 1/16" of skin should remain exposed between the stoma and the ring of the appliance to prevent skin irritation.

Correct Answer: B

Rationale: Instruct the patient to lie on their right side after the biopsy to apply pressure and prevent bleeding.

Correct Answer: B

Rationale: For a patient with a possible bowel obstruction, measuring abdominal girth is a priority to monitor for signs of worsening obstruction or distention.

Correct Answer: A

Rationale: Asterixis, a flapping tremor of the hands, is a sign of hepatic encephalopathy.