问题:两组独立样本连续型变量,若来自非正态总体,可采用()。...
Friday, September 16, 2022
Friday, September 16, 2022
Saturday, September 17, 2022
问题:女,46岁。突发上腹痛14小时,频繁呕吐胃内容物,疼痛阵发性加剧...
Friday, September 16, 2022
问题:男,20岁,发热20天,心悸、气短、乏力5天住院。体检:体温37...
Friday, September 16, 2022
Tuesday, September 13, 2022
问题:住院农村病人,36岁,婚后8年不孕,月经周期缩短,经期延长多年,...
Friday, September 16, 2022
Friday, September 16, 2022
问题:年轻女性,30岁,月经规律,结婚两年未孕,因停经50天,无诱因阴...
Saturday, September 17, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:女性,35岁,干咳少痰,痰中带血丝1个月余,伴午后潮热,手足心热...
Friday, September 16, 2022
Saturday, September 17, 2022
问题:油脂在高温下发生高度氧化会产生的有害物质是()。...
Tuesday, September 13, 2022
问题:五个月的婴儿由于呼吸困难半天来院急诊。平时体健,3天前突然流涕,...
Thursday, September 15, 2022
Friday, September 16, 2022
问题:患者,男性,57岁。突然头痛剧烈,持续不减,伴有不同的意识障碍,...
Friday, September 16, 2022
问题:女性,33岁,白带增多2月,性交后出血2次,妇科检查:宫颈中度糜...
Tuesday, September 13, 2022