A client admitted with acute diverticulitis has experienced a sudden increase in temperature and reports a sudden onset of extreme abdominal tenderness. The nurse's rapid assessment reveals that the client's abdomen is uncharacteristically rigid on palpation. What is the nurse's best response?

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: This is not a correct answer because intracorporeal lithotripsy is a procedure that uses a laser or an ultrasonic probe to break up gallstones inside the gallbladder or the bile ducts. It is not a preferred treatment for cholecystitis, as it does not remove the inflamed gallbladder.

Choice B reason: This is a correct answer because laparoscopic cholecystectomy is a surgery that removes the gallbladder through small incisions in the abdomen. It is the preferred treatment for cholecystitis, as it eliminates the source of inflammation and prevents further complications.

Choice C reason: This is not a correct answer because extracorporeal shock wave lithotripsy (ESWL) is a procedure that uses shock waves to break up gallstones outside the body. It is not a preferred treatment for cholecystitis, as it does not remove the inflamed gallbladder and may not be effective for all types of gallstones.

Choice D reason: This is not a correct answer because methyl tertiary butyl ether (MTBE) infusion is a procedure that uses a chemical solvent to dissolve gallstones inside the gallbladder. It is not a preferred treatment for cholecystitis, as it does not remove the inflamed gallbladder and may cause side effects such as nausea, vomiting, and liver damage.