单选题 Which of the following symptoms would the nurse most likely observe in a client with cholecystitis from cholelithiasis?
A. Black stools.
B. Decreased white blood cell count.
C. Nausea after ingestion of high-fat foods.
D. Elevated temperature of 103°F(39.4℃).

【正确答案】 C

【答案解析】A client with cholecystitis from cholelithiasis may experience nausea, vomiting, abdominal discomfort, and other gastrointestinal symptoms after eating high-fat foods. This is due to decreased fat absorption related to lack of normal bile flow from the gallbladder.