蒸压加气混凝土砌块砌体和轻骨料混凝土小型空心砌块砌体可与其他块材混砌。

锥形除砂器的工艺指标？

信用交易产生的原因有（）.

A、卖方扩大销售或是促销

B、作为与竞争对手进行竞争的手段之一

C、方便支付

D、取得信用工具非常方便

E、受信人理财方便

老年人较青年人发病率更高的疝是（）

A．脐疝

B．腹股沟直疝

C．腹股沟斜疝

D．绞窄性疝

E．嵌顿性疝

何谓藏象学说？试述其对人体内脏的划分。

A woman tells the nurse that her 6-year-old daughter has severe nosebleeds. Which of the following instructions should the nurse give this woman to manage nosebleeds()

A. Help the child assume a comfortable position with her head tilted backward.

B. Tilt the child’s head backward and place firm pressure on the nose.

C. Help the child lie on her stomach and collect the blood on a clean towel.

D. Place the child in a sitting position with her neck bent forward and apply firm pressure on the nasal septum.