Quiz: Spinal cord regions

What are the main regions of the spinal cord?

Cervical, thoracic, lumbar, sacral, and coccygeal.

Cervical region consists of how many vertebrae?

7 vertebrae: C1 to C7.

True or false: The thoracic region has more vertebrae than the lumbar.

True, because the thoracic region has 12 vertebrae.

Fill in the blank: The _______ region contains the largest vertebrae.

lumbar

What is the function of the cervical region?

Controls movements and sensations of the neck, arms, and diaphragm.

Difference between lumbar and sacral regions?

Lumbar has 5 vertebrae, while sacral has 5 fused vertebrae.

Which spinal region is responsible for breathing?

Cervical region, specifically C3-C5.

True or false: The coccygeal region is the longest part of the spinal cord.

False, because it is the shortest with only 4 fused vertebrae.

What does the thoracic region control?

Muscles and sensations of the trunk and upper limbs.

Name the spinal cord region with the most nerves.

Cervical region, due to brachial plexus.

Question: What connects the spinal cord to the brain?

The brainstem.

Fill in the blank: The _______ region is located at the base of the spine.

sacral

What is the role of the lumbar region?

Controls lower body movements and sensations.

Comparison: Spinal cord vs. spinal nerves?

Spinal cord is the central structure; spinal nerves branch from it.

How many pairs of spinal nerves arise from the cervical region?

8 pairs.

True or false: The sacral region is larger than the lumbar.

False, because the lumbar region has larger individual vertebrae.

What is the significance of the cauda equina?

A bundle of spinal nerves below the conus medullaris.

Fill in the blank: The _______ region helps with leg movements.

lumbar

What part of the spinal cord carries sensory information?

Dorsal (posterior) horns.

Function of the spinal cord?

Transmit signals between the brain and the body.