单项选择题

The second constriction of ureter lies at （）.

A．prostatic portion of urethra
B．membranous part of urethra
C．where it crosses superior aperture of lesser pelvis
D．where it pierces into the unrinary bladder
E．internal urethral orifice

<上一题目录下一题>

热门试题

单项选择题The superior extremity of kidney is in neighborhood of （）.

A．deiaphragm
B．superior portion of duodenum
C．head of pancreas
D．suprarenal gland
E．pylorus

单项选择题Hepatoduodenal ligament contains （）.

A．hepatic vein
B．cyctic duct
C．common bile duct
D．left gastric vein
E．celiac trunk

单项选择题The major duodenal papilla lies in （）.

A．superior part of duodenum
B．descending part of duodenum
C．horizontal part of duodenum
D．ascending part of duodenum
E．duodenojejunal flexure

单项选择题The right coronary artery （）.

A．supplies most of the interventricular septum
B．divides into anterior interventricular branch and circumflex branch
C．runs between the pulmonary trunk and the left auricle
D．supplies posterior 1/3 of interventricular septum,
E．supplies lesser portion of anterior wall of right ventricle

单项选择题Which one of the following isn’t located in the superior mediastinum ？（）

A．trachea
B．superior vena cava
C．brachiocephalic v.
D．vagus n.
E．greater splanchnic n.