Correct Answer: A

Rationale: Behavioral modifications are essential for long-term weight loss success post-surgery. Surgery improves comorbidities like hypertension and diabetes. Gastric sleeve is irreversible. Gastric bypass reduces stomach size to limit intake.

Correct Answer: A

Rationale: Helicobacter pylori (H. pylori) is a type of bacteria that infects the stomach lining and is the most common cause of chronic gastritis. Aspirin and other NSAIDs can cause gastritis but are not the most common cause. Chronic alcohol consumption can lead to gastritis but is less common than H. pylori. Smoking exacerbates gastric conditions but is not a direct cause.

Correct Answer: C

Rationale: Epigastric pain is common in cholecystitis. Murphy's sign indicates gallbladder inflammation. Green stool is not typical for cholecystitis, which may cause pale stools if bile flow is obstructed. Nausea and vomiting are common symptoms.

Correct Answer: D

Rationale: Nausea and belching are not primary indications for Nissen Fundoplication; weight gain is unrelated. Reflux is relevant, but flatulence and cough are less specific. Epigastric pain, hoarseness, and diarrhea are not primary symptoms. Heartburn, reflux, and chest pain are classic GERD symptoms prompting surgery.

Correct Answer: D

Rationale: Dressing changes are not the highest priority immediately post-op. Bowel sounds are assessed later. NG tube repositioning addresses nausea but is not primary. Elevating the head reduces aspiration risk and improves breathing.