| A | B |
|---|
| In what process is an impulse initiated in a presynaptice neuron? | Dendrites |
| Which neurotransmitter is a pitiutary glad secretion producing strong pain-relief? | Betaendorphin |
| Which layer of the meninges is an extremely thin membrane located directly on the surface of the brain and spinal cord? | Pia Mater |
| Where do nerves arising from the cervical and lumbar enlargements of the spinal cord go? | Cervical to arms and lumbar to legs |
| Which descending tract controls muscle tone and sweat glands when active? | Reticulospinal tracts |
| Which cranial nerves control the sense of equilibrium and hearing? | Vestibulocochlear |
| What neurotransmitter stimulates skeletal muscle contraction? | Acetycholine |
| What part of the brain receives, sorts, and sends information and filters all input to the cerebral cortex? | Thalamus |
| What part of the brain contains autonomic centers that regulate blood pressure and respitory rhythm? | Medulla Oblongata |
| The ____ _____ occurs when the membrane is re-establishing its resting potential and the cell cannot react any further. | Refactory Period |
| What is the spider web-like meninges membrane that has no blood vessels? | Arachnoid mater |
| What are the three main functional types of neurons associated with the nervous system? | Sensory (Afferent), Interneurons, Motor (Efferent) |
| What types of stimuli can cause initial responses to open gated ion channels? | Chemical, Voltage, Mechanical |
| Schwann Cells and astrocytes are what type of nervous system cell? | Neuroglial Cells |
| What are the three layers of meninges that cover the spinal cord and brain? | Dura Mater, Arachnoid Mater, Pia Mater |
| What is considered to be the center of the nervous system? | The Brain |
| The central canal in the spinal cord is continuous with what specific cavity of the brain? | Fourth ventricle |
| The ventricles and spinal cord are filled with what fluid? | Cerebrospinal fluid |
| The Diecephalon surrounds which space in the brain? | Third Ventricle |
| Concentration, planning, problem solving, and control of emotions are associated with which lobe of the brain? | Frontal lobe |
| The brain stem is composed of what three parts? | Midbrain, Pons, and Medulla oblongata |
| How many pairs of spinal cords are there? | 31 Pairs |
| Concentration of what ion is higher outside the neurolemma when the cell is at rest? | Sodium |
| What is the name of the deep dividing line, of the spinal cord, separating the left form right side along the anterior half? | Anterior median fissue |
| Which portion of the brain communicates with the brain stem by way of three nerve tracts called cerebellar peduncles? | Cerebellum |
| Which type of nerve tract in the spinal cord provides information from the body to the brain? | Ascending |
| Which type of spinal tract is considered a motor tract? | Descending |
| When a nerve cell is stimulated the exchange of ions results in what electrical change? | Depolarization |
| What is the resting potential of a neuron in mVolts? | -70 millivolts |
| The space between two neurons is called what? | Synapse |
