不成对的面颅骨是　（　）

A. The heart is located in the anterior mediastinum.

B. About two-thirds of the heart is located left of the midline

C. Anterior to the heart are the sternum and the second to sixth costal cartilages.

D. Posterior to the heart are the bodies of the fourth to eight vertebrae.

E. The heart rests upon the diaphragm.

A. 会阴浅横肌

B. 会阴深横肌

C. 尿道括约肌

D. 尿生殖膈上筋膜

E. 尿生殖膈下筋膜

A. 联合腱

B. 腹股沟韧带

C. 腹外斜肌腱膜

D. 腹横肌

E. 腹横筋膜

A. 颈椎共8块

B. 颈椎均有横突孔

C. 第7颈椎的棘突较长

D. 隆椎的棘突易在体表触及

E. 第1颈椎有横突

A. anterior communicating artery (前交通动脉) and posterior communicating arteries

B. original portions of the anterior cerebral arteries (大脑前动脉)

C. original portions of the middle cerebral arteries

D. original portions of the posterior cerebral arteries

E. terminal prtions of the internal carotid arteries

A. 结节间沟

B. 结节间嵴

C. 关节盂

D. 内侧髁

E. 肩峰端

A. 为实质性器官

B. 是储存尿液的肌性器官

C. 大小和位置随尿液的充盈程度而异

D. 正常成人容量为350-500ml

E. 老年人因膀胱肌张力低而容量增大

A. 颈动脉壁

B. 迷路壁

C. 乳突壁

D. 颈静脉壁

E. 鼓膜壁

A. 有尿道和阴道通过

B. 只有尿道通过

C. 有直肠通过

D. 有输精管通过

E. 有输卵管通过

A. 双眼鼻侧视野偏盲

B. 双眼颞侧视野偏盲

C. 左眼鼻侧视野偏盲

D. 右眼鼻侧视野偏盲

E. 无上述情况