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?
What is the meaning of this sign?
When driving in rain and encountering pedestrians with umbrellas or wearing raincoats, what should be done by motor vehicle drivers in order to yield?
What is the meaning of this sign?
What is the meaning of this sign?
Which of the following measures is incorrect when a motor vehicle stops?
What is the meaning of this sign?
When encountering a vehicle in front ascending on a mountainous road covered with ice and snow, what should the motor vehicle driver do?
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.
Rescue personnel should check the breath of the unconscious person before applying any other emergency treatment.
What is the meaning of this sign?
When driving on road sections where safe sight distance is affected, such as the top of a ramp, what should drivers do to ensure safety?
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.
What is the meaning of this sign?
What is the meaning of this sign?
When carrying the wounded persons in coma or in danger of suffocation, they should lie face up.