21. When rescuing a wounded person suffering spinal fracture, it is necessary to ___________.

A. Take warm-keeping measure

B. Use soft stretcher to carry

C. Use sling to keep in position

D. Help the wounded person to move

Answer：C

Previous question: 20. When rescuing a wounded person suffering from bone fracture, which of the following should be kept in mind?

Next question: 22. When there is bleeding at the bone fracture of a wounded person, the first thing to do is to keep it in position before stopping the bleeding and dress the wound.

2025年摩托车科目四英文版题库共345题，你可以免费查看前50题，完整版题库请添加微信购买：

The English version of the 2025 motorcycle subject 4 question bank has a total of 345 questions. You can view the top 50 questions for free. Please add WeChat to purchase the complete version of the question bank.

科目四试题

When two vehicles approach each other on a foggy day, what is the best method of safe driving?
What is the meaning of this sign?
How should lamps be used when a motor vehicle meets an oncoming bicycle on a narrow road or a narrow bridge at night?
When a motor vehicle stops in snow, which lamp should be turned on?
When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
What should motor vehicle drivers do when parking temporarily on a rainy day?
When a motor vehicle encounters an accident, the driver should pay attention to whether there is fuel leakage, pipeline rupture, so as avoid accidents.
What is the meaning of this sign?
What is the meaning of this sign?
When the tire pressure is too low, what will happen if the tire changes its shape in waves and increases in temperature due to fast movement?
When a motor vehicle temporarily stops at night, which lamp should be turned on?
What is the meaning of this sign?
When rescuing a wounded person who has been poisoned by toxic gas, the first measure is to send him/her to a place with fresh air so that he/she will not continue to be poisoned.
When a wounded person suffering burns is thirsty, he may drink a small quantity of slightly salty water.
What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
The drivers, loaders and supercargoes responsible for dangerous chemicals transportation should all full understand the chemical characteristics, potential risks, features of the packaging containers and emergency measures for any unexpected accidents.