Exam 9:The Nervous System-Part A

The neuroglia that help form the blood-brain barrier are the ________________________.

The brain and spinal cord form the _______________________ nervous system.

The part of the brain that suppresses unimportant sensations is the ___________________.

The cranial nerve pair that is sensory for hearing is the ________________________.

The part of a reflex arc that carries impulses away from the CNS is the ________________.

An electrical nerve impulse is carried by the ______________________ of a neuron.

The tissue fluid of the brain is _______________________________.

Nerve impulses cross synapses by means of _______________________________.

The cranial nerve pair that is sensory for equilibrium is the ________________________.

The functions of cerebrospinal fluid are to ________________________ and ________________________ the central nervous system.

The patellar reflex is an example of a(n)_________________ reflex,and the part of the CNS directly involved is the ________________________.

The cell bodies of sensory neurons are located in the ____________________________.

The ____________________ tracts of the spinal cord carry ________________ impulses away from the brain.

The layer of the meninges that has villi for the reabsorption of cerebrospinal fluid is the _______________________________.

The part of the brain that contains a choroid plexus is a(n)_________________________.

The parts of the brain that regulate breathing are the _________________ and ____________.

Between the pia mater and the arachnoid membrane is the __________________________,which contains ___________________________.

Depolarization means that ___________________ ions enter the neuron,and the outside of the membrane now has a(n)_____________________ charge.

The ______________________ lobe of the cerebrum contains the visual area.

The __________________________ division of the autonomic nervous system dilates the bronchioles and increases heart rate.