Spinal Cord

Q.

Which of the following is incorrect about the spinal cord?

1. The spinal cord is the continuation of the medulla oblongata.

2. The spinal cord, like the brain, is covered by meninges.

3. The spinal cord is connected to different parts through 41 pairs of spinal nerves.

4. The spinal cord is protected by the vertebral column.

Q. How many spinal nerves are present in the peripheral nervous system?

1. 12
2. 13
3. 62
4. 108

Q. Forced deep breathing for a few minutes by a person sitting at rest may be followed by a temporary cessation of breathing. This is due to

1. Too much oxygen in blood
2. Too much carbon dioxide in blood
3. Both, too much oxygen and very little carbon dioxide in blood
4. Very little carbon dioxide in blood