问题
单项选择题
During a morning assessment, the nurse percusses tympany. The nurse understands that tympany is a loud, high-pitched, moderately long sound with a drumlike, musical quality that’s most commonly heard over the（）
A. heart.
B. liver.
C. pancreas.
D. stomach.
答案
参考答案：D
解析：
Tympany is produced by air-containing structures, such as the stomach and the bowel.