Rasmussen Pathophysiology Exam 3
Questions and Answers 100% PASS
Parts that compose the Nervous System—ANSWER--Brain, Spinal Cord, Nerves
Parts that compose the Central Nervous System—ANSWER--Brain and Spinal Cord
Parts that compose the Peripheral Nervous System—ANSWER--Nerves
A set of three tough membranes that encase the Central Nervous System—ANSWER--
Meninges
The outer and toughest layer of the meninges—ANSWER--Dura Mater
The middle layer of the meninges. Has a spider-like vascular system.—ANSWER--
Arachnoid Layer
The innermost layer of the meninges. Rests directly on the brain and spinal cord—
ANSWER--Pia Mater
Where is cerebrospinal fluid found?—ANSWER--Between the arachnoid and pia mater
layers
Produces cerebrospinal fluid—ANSWER--Choroid Plexus Cells
Interconnected hollow areas of the brain where cerebrospinal fluid fills and flows
freely—ANSWER--Ventricles
, Cells that regulate interstitial fluid, defend neurons against pathogens, and assists in
neural repair.—ANSWER--Neuroglia
Cells that myelinate neurons in the peripheral nervous system—ANSWER--Schwann
Cells
Nerve cells require a constant supply of what?—ANSWER--Oxygen and glucose
Transmits impulses away from the cell body—ANSWER--Axons
Transmits impulses towards the cells body—ANSWER--Dendrites
Tiny bulges at the end of the axon that communicate with neurons, muscle fibers, or
glands.—ANSWER--Terminal Boutons.
Surrounds some axons and increases the rate of impulse transmission—ANSWER--
Myelin Sheath
Site of nutrient exchange where myelin is not present—ANSWER--Nodes of Ranvier
Gaps between neurons—ANSWER--Synapses
What generates neural impulses?—ANSWER--Small ionic changes due to potassium
and sodium ions
The charge created by small ionic changes—ANSWER--Action Potential
Charge at rest due to sodium ions concentrated on the outside of the cell—ANSWER--
Resting Potential
A rapid flow of positively charged potassium ions into the cell due to stimulated neurons
opening protein gates—ANSWER--Depolarization
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
Questions and Answers 100% PASS
Parts that compose the Nervous System—ANSWER--Brain, Spinal Cord, Nerves
Parts that compose the Central Nervous System—ANSWER--Brain and Spinal Cord
Parts that compose the Peripheral Nervous System—ANSWER--Nerves
A set of three tough membranes that encase the Central Nervous System—ANSWER--
Meninges
The outer and toughest layer of the meninges—ANSWER--Dura Mater
The middle layer of the meninges. Has a spider-like vascular system.—ANSWER--
Arachnoid Layer
The innermost layer of the meninges. Rests directly on the brain and spinal cord—
ANSWER--Pia Mater
Where is cerebrospinal fluid found?—ANSWER--Between the arachnoid and pia mater
layers
Produces cerebrospinal fluid—ANSWER--Choroid Plexus Cells
Interconnected hollow areas of the brain where cerebrospinal fluid fills and flows
freely—ANSWER--Ventricles
, Cells that regulate interstitial fluid, defend neurons against pathogens, and assists in
neural repair.—ANSWER--Neuroglia
Cells that myelinate neurons in the peripheral nervous system—ANSWER--Schwann
Cells
Nerve cells require a constant supply of what?—ANSWER--Oxygen and glucose
Transmits impulses away from the cell body—ANSWER--Axons
Transmits impulses towards the cells body—ANSWER--Dendrites
Tiny bulges at the end of the axon that communicate with neurons, muscle fibers, or
glands.—ANSWER--Terminal Boutons.
Surrounds some axons and increases the rate of impulse transmission—ANSWER--
Myelin Sheath
Site of nutrient exchange where myelin is not present—ANSWER--Nodes of Ranvier
Gaps between neurons—ANSWER--Synapses
What generates neural impulses?—ANSWER--Small ionic changes due to potassium
and sodium ions
The charge created by small ionic changes—ANSWER--Action Potential
Charge at rest due to sodium ions concentrated on the outside of the cell—ANSWER--
Resting Potential
A rapid flow of positively charged potassium ions into the cell due to stimulated neurons
opening protein gates—ANSWER--Depolarization
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
