spinal cord DU

The basic structural and functional unit of the nervous system is:

• Brain

• Neuron

• Axon

• Ganglion

A group of neurons within the CNS is called:

• Nerve

• Ganglion

• Nucleus

• Tract

A group of neurons outside the CNS is called:

• Tract

• Ganglion

• Nucleus

• Fiber

The central nervous system includes:

• Brain and spinal cord

• Brain only

• Cranial and spinal nerves

• Autonomic nerves

The peripheral nervous system includes:

• Brain only

• Spinal cord

• Cranial and spinal nerves

• Gray matter

The CNS is protected by all except:

• Skull

• Vertebral column

• Cartilage

• Meninges

The outermost meningeal layer is:

• Pia mater

• Arachnoid mater

• Dura mater

• Subarachnoid space

The innermost meningeal layer is:

• Pia mater

• Dura mater

• Arachnoid mater

• None

The cerebrospinal fluid (CSF) is found mainly in:

• Epidural space

• Subarachnoid space

• Subdural space

• Dural sinus

The cerebrum consists of:

• One hemisphere

• Two hemispheres

• Brainstem

• Pons and medulla