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

What is the meaning of this sign?
Which lamp should be turned on when motor vehicles pass through a road section at night where the street light condition is good?
What is the meaning of this sign?
In emergencies, people¡¯s life safety should always be put in the first place.
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?
What should the driver do to follow other motor vehicles on a mountain road?
What influence does smoking have upon driving?
When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
When a motor vehicle encounters a burning phenomenon, it should leave the vehicle quickly so as not to cause injury or asphyxia to the respiratory tract.
What should be done by the driver who intends to overtake but finds that the vehicle in front is also overtaking?
What is the meaning of this sign?
What kind of harmful effect will be brought about by continuously using the foot brake on a long downhill road?
Once inflammable gas causes a fire disaster, it should be put out with water in good time.
What is the meaning of this sign?
When using splints, sticks or tree branches to keep the unexposed bones in position, it is necessary that these things should exceed the upper and lower joints of the wound.