对腹主动脉的描述，正确的是（ ）

A. It situates in the mesencephalon.

B. It is located at the level of inferior colliculus.

C. It is located at the level of superir colliculus.

D. It is one of the general visceral motor nuclei.

E. It gives fibers to form the trochlear nerve.

A. 尿道内口

B. 尿道球部

C. 尿道外口

D. 尿道膜部

E. 前列腺部

A. 子宫圆韧带

B. 子宫阔韧带

C. 子宫主韧带

D. 子宫骶韧带

E. 以上全部结构

A. 由心室 发出的血管

B. 行程中常接受属支

C. 不参与维持和调节血压

D. 不受神经体液调节而收缩或舒张

E. 其内的血液含氧量均高于静脉的血液

A. 筛孔

B. 眶下孔

C. 圆孔

D. 卵圆孔

E. 颏孔

A. 中性粒细胞

B. 嗜酸性粒细胞

C. 嗜碱性粒细胞

D. 淋巴细胞

E. 单核细胞

A. 主动脉弓、肺动脉和左心室

B. 左心室

C. 肺动脉与左心房

D. 左心耳和左心室

E. 升主动脉、肺动脉、左心房和左心室

A. 心肌

B. 咽肌

C. 腮腺

D. 颈动脉窦

E. 鼓室

A. It can be divided into the atrium proper (固有心房) and the sinus venarum cavarum (腔静脉窦).

B. It pumps the venous blood to the right ventricle through the right atrioventricular orifice.

C. It forms the right border of the heart.

D. It has 3 inlets:orifice of superior vena cava (上腔静脉口), orifice of inferior vena cava, and orifi

E. The fossa ovalis is located on its posteriomedial wall.

A. 额骨与顶骨

B. 枕骨与顶骨

C. 顶骨与顶骨

D. 额骨与颞骨

E. 顶骨与颞骨