Spinal anatomy

How many pairs of spinal nerves are there?

• 12

• 31

• 30

• 10

How many pairs of spinal nerves are in the cervical region

• 8

• 12

• 5

• 1

How many pairs of spinal nerves are in the thoracic region

• 8

• 12

• 5

• 1

How many pairs of nerves are in the coccygeal region

• 8

• 12

• 5

• 1

Afferent neurons are

• Motor neurons

• sensory neurons

• can be either

the dorsal root and horn contains _____ neurons

• sensory

• motor

• mixed

The part of the nervous system that consists of nerves that branch out from the CNS and connect to other body parts

• Sympathetic
• Parasympathetic
• Autonomic
• Peripheral

Which neurons act to connect a sensory neuron to a motor neuron? 

• interneuron
• afferent 
• efferent
• motor

Ventral is also called

• anterior
• posterior
• dorsal
• medial

Dorsal is also called

• anterior
• posterior
• ventral
• lateral