Which of the following findings in a client's history would be most likely to predispose her to renal calculi

A．The client takes large doses of vitamin Ｅ.

B．The client drinks one to two glasses of fluid daily.

C．The client had a urinary tract infection within the last 6 months.

D．The client eats a diet that meets the daily requirements for calcium.

M型超声心动图二尖瓣前叶运动曲线上A峰对应哪个心脏运动时相()

A．等容舒张期

B．快速舒张期

C．心房收缩期

D．缓慢舒张期

E．心室收缩期