Correct Answer: C

Rationale: The correct answer is C, Parotitis. Parotitis, inflammation of the parotid glands, can occur due to the absence of saliva and dehydration, often associated with being NPO and having an NG tube. Stomatitis (choice A) is inflammation of the oral mucosa, not specifically related to absent saliva. Oral candidiasis (choice B) is a fungal infection that can occur in the mouth, not directly related to the absence of saliva. Gingivitis (choice D) is inflammation of the gums and is not typically associated with the absence of saliva and dehydration.

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: C

Rationale: The client should be assessed carefully for signs of hypokalemia, a common complication of prolonged ulcerative colitis symptoms.

Correct Answer: C

Rationale: NG feeding is the preferred method for patients with a functioning GI tract but an inability to swallow foods.

Correct Answer: C

Rationale: Care for a patient with diverticulosis includes a high-fiber diet and administration of psyllium.