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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?
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?
- When rescuing a wounded person in an emergency, it is necessary to firstly stop the bleeding by compression before other methods are taken according to the conditions of bleeding.
- When there is no bandage for rescuing a wounded person, which of the following measures is wrong?
- What is the meaning of this sign?
- When rescuing a wounded person in coma, it is necessary to take warm-keeping measures to prevent heat loss.
- When encountering an obstacle on one side of the road, what should vehicles do as they approach each other?
- What is the meaning of this sign?
- When the tire pressure is too low, what can happen when driving at a high speed?
- What is the meaning of this sign?
- How should lamps be used by the motor vehicle driver who follows a vehicle on a road section at night where he street light condition is good?
- When a motor vehicle temporarily stops in fog, which lamp should be turned on?
- When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
- What is the meaning of this sign?
- What is the meaning of this sign?
- What is the meaning of this sign?
- Which of the following is an inflammable solid material?