NURS 231 PATHOPHYSIOLOGY MODULE 6 EXAM (GRADED A+)
QUESTIONS AND ANSWERS- PORTAGE LEARNING
List the 2 major divisions of the nervous system - (answer)CNS
PNS
List the structures found in CNS - (answer)brain and spinal cord
List the structures found in PNS - (answer)spinal nerves, cranial nerves, and ganglia
that are outside of the CNS.
what are the 3 meninges - (answer)dura mater
arachnoid layer
pia mater
pia mater - (answer)-innermost layer
-thin and delicate
-contains surface level blood vessels that perfuse the brain and spinal cord
arachnoid layer - (answer)-second layer
-encases the entire CNS
-delicate, nonvascular, and waterproof
subarachnoid space - (answer)Cerebrospinal fluid (CSF) circulates in an area just below
the arachnoid layer called the subarachnoid space
dura mater - (answer)-third layer
-strong, continuous connective tissue sheath
-provides the brain and spinal cord with most of its protection
Describe how CSF is produced - (answer)choroid plexus (Specialized ependymal cells)
project into the ventricles and produce CSF
CSF function - (answer)-serves as a cushion for the brain and spinal cord protecting
them from outside physical force
-maintains a constant ionic environment that allows for the diffusion of essential
nutrients, electrolytes, and metabolic waste products into the extracellular fluid
surrounding the CNS neurons
cranial nerve memorization trick (CNI-CNXII) - (answer)Oh
Once
One
Takes
The
Anatomy
Final
, Very
Good
Vacations
Are
Had
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal
CNI - (answer)olfactory nerve
smell
CNII - (answer)optic nerve
vision
CNIII - (answer)oculomotor nerve
Pupillary constriction, accommodation, eye movement and eye lid movement
CNIV - (answer)Trochlear nerve
Movement of eye down and inward
CNV - (answer)trigeminal nerve
Mastication (chewing) and sensation to the face, nose, and mouth
CNVI - (answer)abducens nerve
Movement of the eye laterally
CNVII - (answer)facial nerve
Facial expression as well as sensation of taste to the anterior tongue
CNVIII - (answer)Vestibulocochlear Nerve
Auditory sensation (sense of hearing) as well as balance and equilibrium
CNIX - (answer)Glossopharyngeal Nerve
Motor innervation to muscles involved in swallowing as well as the sensation of taste to
the posterior tongue
QUESTIONS AND ANSWERS- PORTAGE LEARNING
List the 2 major divisions of the nervous system - (answer)CNS
PNS
List the structures found in CNS - (answer)brain and spinal cord
List the structures found in PNS - (answer)spinal nerves, cranial nerves, and ganglia
that are outside of the CNS.
what are the 3 meninges - (answer)dura mater
arachnoid layer
pia mater
pia mater - (answer)-innermost layer
-thin and delicate
-contains surface level blood vessels that perfuse the brain and spinal cord
arachnoid layer - (answer)-second layer
-encases the entire CNS
-delicate, nonvascular, and waterproof
subarachnoid space - (answer)Cerebrospinal fluid (CSF) circulates in an area just below
the arachnoid layer called the subarachnoid space
dura mater - (answer)-third layer
-strong, continuous connective tissue sheath
-provides the brain and spinal cord with most of its protection
Describe how CSF is produced - (answer)choroid plexus (Specialized ependymal cells)
project into the ventricles and produce CSF
CSF function - (answer)-serves as a cushion for the brain and spinal cord protecting
them from outside physical force
-maintains a constant ionic environment that allows for the diffusion of essential
nutrients, electrolytes, and metabolic waste products into the extracellular fluid
surrounding the CNS neurons
cranial nerve memorization trick (CNI-CNXII) - (answer)Oh
Once
One
Takes
The
Anatomy
Final
, Very
Good
Vacations
Are
Had
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal
CNI - (answer)olfactory nerve
smell
CNII - (answer)optic nerve
vision
CNIII - (answer)oculomotor nerve
Pupillary constriction, accommodation, eye movement and eye lid movement
CNIV - (answer)Trochlear nerve
Movement of eye down and inward
CNV - (answer)trigeminal nerve
Mastication (chewing) and sensation to the face, nose, and mouth
CNVI - (answer)abducens nerve
Movement of the eye laterally
CNVII - (answer)facial nerve
Facial expression as well as sensation of taste to the anterior tongue
CNVIII - (answer)Vestibulocochlear Nerve
Auditory sensation (sense of hearing) as well as balance and equilibrium
CNIX - (answer)Glossopharyngeal Nerve
Motor innervation to muscles involved in swallowing as well as the sensation of taste to
the posterior tongue
