Correct Answer: C

Rationale: The correct answer is C, 'Barium swallow.' A barium swallow should be done after a barium enema or gallbladder series to prevent the contrast used in the barium swallow from obstructing the view of other organs. It takes several days for swallowed barium to pass completely out of the gastrointestinal tract. Choices A, B, and D are incorrect because a barium swallow should be the last test performed to ensure clear imaging without interference from residual contrast material.

Correct Answer: B

Rationale: Common signs of acute viral hepatitis include weight loss, dark urine, and fatigue. The client is anorexic, possibly from a toxin produced by the diseased liver, and finds food distasteful. The urine darkens because of excess bilirubin being excreted by the kidneys. Fatigue occurs during all phases of hepatitis.

Correct Answer: A

Rationale: The client with cirrhosis needs to consume foods high in thiamine. Thiamine is present in a variety of foods of plant and animal origin. Pork products are especially rich in this vitamin. Other good food sources include nuts, whole grain cereals, and legumes. Milk contains vitamins A, D, and B2. Broccoli contains vitamins C, E, and K and folic acid.

Correct Answer: C

Rationale: A barium swallow is a diagnostic test that can visualize the esophagus, stomach, and small intestine to diagnose a hiatal hernia.

Correct Answer: B

Rationale: Iodine compounds used as radiographic contrast agents, such as iopanoic acid (Telepaque), should not be administered to the client with iodine and seafood allergies because anaphylaxis may occur.