Nervous System Quiz

The end of spinal cord is called the

Paralysis of all four extremities

Protective covering around an individual nerve fiber

Peripheral nerve fibers may be repaired and regenerate if

A cluster of neuron cell bodies in the PNS

CNS neuroglial cell that is helps link the vascular and nervous systems

Gaps between myelin on axons that speed up nerve impulse conduction

Cells that support, nurture, and protect neurons

A bundle of nerve fibers in the peripheral nervous system

Motor efferent impulse transmission travels to effector organs via

Neural processes that conduct impulses away from the cell body

Protective connective tissue covering around the brain and spinal cord

Paralysis of extremities on one side of the body

Type of impulse conduction found at unmyelinated nerve fibers

Innermost layer of the meninges

Area of skin that provides sensory information to pairs of spinal nerves and spinal cord

Branch of the Nervous System involved in "Rest and Repose" homeostatic mechanisms

Neural processes that conduct impulses toward the cell body

PNS Neuroglial cell responsible for myelination of peripheral nerves

Region where a spinal nerve branches after exiting the intervertebral foramen

The region where there is a transfer of an action potential from a neuron to another structure

There are (how many) pairs of cranial nerves

A bundle of nerve fibers in the central nervous system

There are (how many) pairs of spinal nerves

Outermost layer of the meninges

Cranial And Spinal nerves are a component of the

Neural structure that contains the nucleus, organelles, and cytosol

Branch of the Nervous System that is automatically monitored and regulated

Sensory afferent impulse transmission travels to the brain via

Proteins that stimulate neuronal growth and development

A cluster of neuron cell bodies in the CNS

CNS neuroglial cells that produce myelin

Network of varying number of nerve fibers from ventral rami of adjacent nerves

Neuronal substance that insulates and protects axons and cell bodies

CNS neuroglial cells that help produce cerebral spinal fluid

Nerve that innervates the diaphragm, involved in ventilation

Protective covering around a bundle of nerve fibers

The variable most influential in effecting the speed of nerve impulse transmission is

Which condition would result in decreased speed of nerve impulse transmission

Motor nerves exit the spinal cord via the

Type of nerve impulse conduction found at myelinated axons

Term describing a neuronal process

Paralysis of lower extremities

Web like layer of the meninges

PNS neuroglial cells that helps support and repair perpheral nerve damage

The Brain and Spinal Cord make up the

Region of a neuron where an action potential is initiated

Functional cells of the Nervous System

Sensory nerves enter the spinal cord via the

Fast, predictable, automatic responses to stimuli that maintain homeostasis

Protective covering around an entire nerve

The continuation of spinal nerves after the spinal cord ends is the

Region of a neuron where an action potential is initiated

Bundle of nerve fibers surrounded by perineurium

CNS neuroglial cells that act as phagocytes

Largest nerve in the body, innervates posterior leg

Branch of the Nervous System responsible for the "Fight or Flight" response