Spinal cord and Peripheral nerves

Front

How many pairs of spinal nerves are in the cervical region?

Back

8 pairs of spinal nerves.

Front

At what level does the spinal cord in the adult end inferiorly?

Back

The spinal cord ends at the level of L1.

Front

What nerve innervates the triceps brachii muscle?

Back

The triceps brachii muscle is innervated by the Radial nerve.

Front

What nerve innervates the quadriceps muscles?

Back

The quadriceps muscles are innervated by the Femoral nerve.

Front

How many pairs of spinal nerves are there in total?

Back

There are 31 pairs of spinal nerves.

Front

What is the function of the spinal cord?

Back

The spinal cord transmits signals between the brain and the rest of the body and coordinates reflexes.

Front

What are peripheral nerves?

Back

Peripheral nerves are nerves that branch out from the spinal cord and connect the central nervous system to limbs and organs.

Front

What is the role of the Radial nerve?

Back

The Radial nerve is responsible for the extension of the elbow, wrist, and fingers.

Front

What is the role of the Femoral nerve?

Back

The Femoral nerve is responsible for the movement of the quadriceps and sensation in the anterior thigh.

Front

What is the difference between spinal nerves and cranial nerves?

Back

Spinal nerves emerge from the spinal cord, while cranial nerves emerge from the brain.