病人需以挺腰、屈膝和屈髋的姿势下蹲,此时为()
A.拾物试验阳性
B.浮髌试验阳性
C.托马斯征阳性
D."4"字试验阳性
E.直腿抬高试验阳性
参考答案:A
技术功
Annual interest expense is the:()
A. sum of the annual coupon payments.
B. amount paid to creditors in excess of par.
C. book value of the debt times the market interest rate when it was issued.