A Patient with a Diagnosis of Esophageal Varices Has Undergone

A patient with a diagnosis of esophageal varices has undergone endoscopy to gauge the progression of this complication of liver disease. Following the completion of this diagnostic test, what nursing intervention should the nurse perform?

A) Keep patient NPO until the results of test are known.
B) Keep patient NPO until the patients gag reflex returns.
C) Administer analgesia until post-procedure tenderness is relieved.
D) Give the patient a cold beverage to promote swallowing ability.