Which nerve passes through the quadrilateral foramen （）.

单项选择题Regarding the femoral triangle （）.

A．the femoral vein, artery, and nerve lie in the femoral sheath.
B．the femoral nerve lies most medially in the femoral triangle.
C．the lateral border of the femoral triangle is formed by the lateral border of sartorius muscle
D．the femoral canal lies medial to the femoral vein.
E．at the apex of the femoral triangle, the femoral vessels pass into the popliteal fossa.

单项选择题The anterior tibial artery （）.

A．is a branch of the femoral a.
B．begins at level of the lower border of the popliteus
C．passes through the adduct canal.
D．accompanies the tibial nerve.
E．is palpable in the foot.

单项选择题The only innervation of the femoral nerve below the level of the knee is （）.

A．the gracilis muscle
B．the tibialis anterior muscle
C．the adductor longus
D．the skin on the medial side of leg and foot
E．the skin of the lateral side of leg and foot

单项选择题The following structures pass through the infrapiriform foramen, EXCEPT （）.

A．superior gluteal artery.
B．sciatic nerve.
C．posterior femoral cutaneous nerve.
D．pudendal nerve.
E．internal pudendal vein and artery.

单项选择题The contents of the popliteal fossa, EXCEPT （）.

A．tibial nerve
B．common peroneal nerve
C．popliteal vein and its tributaries
D．popliteal artery and its branches
E．deep peroneal nerve

单项选择题Which ligament associate with the lamina of vertebral arch adjacently （）.

A．anterior longitudinal ligament
B．posterior longitudinal ligament
C．interspinal ligament
D．ligamenta flava
E． supraspinal ligament

单项选择题Inferior angle of scapula marks the level of （）.

A．the 2th rib
B．the 6th rib
C．the 7th rib
D．the spine of the 7th thoracic vertebra
E．the spine of the 10th thoracic vertebra

单项选择题Which muscle can flex the hip joint and extend the knee joint （）.

A．sartorius
B．adductor longus
C．biceps femoris
D．quadriceps femoris
E．gracilis

单项选择题The following nerves which damaged may result in foot drop （）.

A．femoral n.
B．tibial n.
C．common peroneal n.
D．obturator n.
E．pudendal n.

单项选择题Which artery is palpable deep to the ingunal ligament （）.

A．anterior tibial a.
B．femoral a.
C．politeal a.
D．profunda femoris artery
E．peroneal a.