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.

2026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 2026 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 rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
What is the meaning of this sign?
What is the meaning of this sign?
At the scene of a traffic accident, once there is a leakage of toxic and harmful substances, people must be evacuated at the first time and alarmed immediately.
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?
When rescuing the persons who are losing blood, it is necessary to ______ first.
What is the meaning of this sign?
When approaching a vehicle on a narrow slope, which one of the following ways is correct?
Which of the following method is correct to rescue an unconscious person?
When a motor vehicle stops temporarily in a rainy day,which lamp should be turned on?
What is the meaning of this sign?
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?
What is the meaning of this sign?
What is the meaning of this sign?