A nurse is caring for a client who has cholecystitis with cholelithiasis and obstruction of the common bile duct. The nurse should expect the client's urine to appear which of the following colors?

Choice A reason: An antipyretic medication is not the best answer because it does not address the client's low urine output. An antipyretic medication is a drug that lowers the body temperature by reducing the production of heat or increasing the loss of heat. It may help the client feel more comfortable, but it does not improve the kidney function or prevent dehydration.

Choice B reason: A diuretic medication is not the best answer because it may worsen the client's low urine output. A diuretic medication is a drug that increases the excretion of water and electrolytes by the kidneys. It may lower the blood pressure and reduce the fluid overload, but it may also cause dehydration, electrolyte imbalance, and kidney damage.

Choice C reason: A blood culture is not the best answer because it does not address the client's low urine output. A blood culture is a laboratory test that detects the presence of bacteria or other microorganisms in the blood. It may help identify the cause of the fever and guide the antibiotic therapy, but it does not improve the kidney function or prevent dehydration.

Choice D reason: A fluid bolus is the best answer because it may improve the client's low urine output. A fluid bolus is a rapid infusion of a large volume of fluid, usually isotonic saline or lactated Ringer's solution. It may increase the blood volume and pressure, improve the tissue perfusion, and stimulate the urine production. It may also help lower the fever by diluting the pyrogens and increasing the heat loss.

Choice A reason: Excessive stomach acid secretion is not the correct answer because it is not a diagnostic test, but a possible cause of peptic ulcer disease. Peptic ulcers are sores that develop in the lining of the stomach or duodenum due to damage from stomach acid and digestive enzymes.

Choice B reason: An incompetent pyloric sphincter is not the correct answer because it is not a diagnostic test, but a possible complication of peptic ulcer disease. The pyloric sphincter is a muscular valve that controls the passage of food from the stomach to the small intestine. If it becomes damaged or weakened, it can cause gastric outlet obstruction, which is a blockage of the stomach.

Choice C reason: A metabolic acid-base imbalance is not the correct answer because it is not a diagnostic test, but a possible consequence of peptic ulcer disease. Peptic ulcers can cause bleeding, perforation, or gastric outlet obstruction, which can affect the acid-base balance of the body. For example, vomiting can cause metabolic alkalosis, which is a condition where the blood is too alkaline.

Choice D reason: An infection with Helicobacter pylori is the correct answer. Helicobacter pylori is a type of bacteria that can infect the stomach and duodenum and cause inflammation and ulcers. It is the most common cause of peptic ulcer disease. The health care provider can order a diagnostic test to detect the presence of Helicobacter pylori in the client's stomach or blood, such as a urea breath test, a stool antigen test, or a blood antibody test.