Exam 7: The Nervous System

The gaps between Schwann cells found at regular intervals in peripheral system neurons are called ________.

The fissure in the brain that separates the two cerebral hemispheres is called the ________.

The ________ is a connective tissue wrapping around fascicles of neuron fibers.

During repolarization, ________ ions are pumped out of the cell.

Which of the following is the correct sequence in a typical reflex arc?

Impulse conduction is fastest in neurons that are ________.

________ reflexes include the secretion of saliva, changes in the size of our pupils, and digestion involve the activities of smooth muscles.

List and explain the three general functions of the nervous system

Gray matter contains collections of unmyelinated fibers and cell bodies in the central nervous system.

The blood-brain barrier is formed by ________ junctions that nearly seamlessly bind capillaries in the brain.

Cranial nerve X is the vestibulocochlear nerve, its fibers carry sensations of hearing and equilibrium to the brain.

Which of these neuroglial cells forms the myelin sheath in the central nervous system?

The midbrain, pons, and medulla oblongata are housed in the ________.

There is no possibility of damaging the spinal cord below the third lumbar vertebra.

The ventral rami of the spinal nerves form complex networks of nerves known as a ________.

The cerebrospinal fluid ________.

Match the following: -Increases metabolic rate

Each spinal nerve divides into a dorsal and a ventral ________.

The gap between two communicating neurons is termed ________.

Match the following: -Reticular formation