护理入学考试生物练习卷（附答案）

Which organelle makes lipids and helps break down drugs and toxins in liver cells?

1. ANucleolus
2. BCentriole
3. CRough endoplasmic reticulum
4. DSmooth endoplasmic reticulum

What is the main role of the cytoskeleton?

1. AIt gives the cell its shape and helps it move
2. BIt stores the genetic code of the cell
3. CIt joins amino acids into proteins
4. DIt controls which substances enter the cell

What does sterilisation mean?

1. AKilling only the viruses on a surface
2. BKilling or removing all microorganisms, including spores
3. CReducing the number of microbes on the skin before an injection
4. DWashing away visible dirt with water

Why does ice float on liquid water?

1. AIce contains more air than liquid water
2. BIce is denser than liquid water
3. CIce molecules are lighter than liquid water molecules
4. DHydrogen bonds hold ice in an open, less dense structure

How does facilitated diffusion differ from active transport?

1. AIt needs no energy and moves substances down their gradient
2. BIt needs ATP and moves substances against their gradient
3. CIt moves only water and no other substances
4. DIt works without any membrane proteins

是什么使粗面内质网看起来"粗糙"？

1. A其膜内的叶绿体
2. B储存在其表面的脂肪滴
3. C融合在其外侧的溶酶体
4. D附着在其表面的核糖体

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

1. AShe may have made anti-D antibodies that cross the placenta
2. BHer red cells may become Rh positive after the birth
3. CThe first baby's antibodies remain in her blood and attack her
4. DThe second baby will be unable to make any red cells

哪种图表最适合显示患者体温在 24 小时内的变化？

1. A折线图
2. B庞尼特方格
3. C饼图
4. D食物网