Neuroanatomy Exam 2 exam review
Questions and Answers (Solved
Papers).
Name the 12 cranial nerves
The 12 cranial nerves are __ paired. - CORRECT ANSWERS I. Olfactory
II. Optic
III. Oculomotor
IV. Trochlear
V. Trigeminal
VI. Abducens
VII. Facial
VIII. Vestibulocochlear
IX. Glossopharyngeal
X. Vagus
XI. Accessory
XII. Hypoglossal
-bilaterally
What's the acronym to remember the cranial nerves?
What's the acronym to remember the functions of cranial nerves?
Most of the cranial nerves do not have parasympathetic fibers, but which do?
Cranial nerve nuclei
-motor tends to be __, sensory __ - CORRECT ANSWERS -On Old Olympus' Towering Tops, A
Friendly Viking Grew Vines And Hops
,-Some Say Marry Money, But My Brother Says Big Brains Matter More
-Oculomotor, Facial, Glossopharyngeal, Vagus
-midline; lateral
Cranial Nerve I: Olfactory
-fibers run from __ to ___
-passes through __ plate
-functions solely for __
-cribiform plate located in ___
-only cranial nerve that goes ___
-cribiform plate easily fractures in __, leading to ___ - CORRECT ANSWERS -olfactory bulb;
olfactory cortex
-cribiform
-smell
-anterior cranial fossa
-straight to the front
-head trauma; anosmia (leads to not being able to smell)
Cranial Nerve II: Optic
-optic nerve via ___ to __
-synapse at __ then to __
-functions solely for __ - CORRECT ANSWERS -optic canal; optic chiasm
-thalamus; visual cortex
-vision
Cranial Nerve III: Oculomotor
, -fibers go from midbrain through ___ to __
-raises the __, moves the ___, constricts the __ and controls ___
-innervates ____
-travels with __
-__ does 90% of the action
-___ is in the midbrain; parasympathetic ___ the pupils - CORRECT ANSWERS -superior orbital
fissure; eye muscles
-eyelid; eyeball; iris; lens shape
-medial rectus, inferior rectus, inferior oblique, superior rectus
-parasympathetic axons
-medial rectus (rectus means strength)
-3rd cranial nerve nucleus; constricts (makes them smaller)
Cranial Nerve IV: Trochlear
-fibers from midbrain enter __
-innervates ____
-CN 4 is known as a trauma nerve b/c ___
-its only function is to ___
-only cranial nerve to ___ - CORRECT ANSWERS -orbit
-superior oblique muscles (motor nerve to the eyeball)
-it is often damaged in a trauma
-rotate the eyeball
-exit dorsally
Contraction of superior rectus move eyeball __, lateral moves it to ___, medial to the __, inferior moves
it __, superior oblique rotates the eyeball ___ - CORRECT ANSWERS -up; the side; middle;
down; inwards (intorsion)
Questions and Answers (Solved
Papers).
Name the 12 cranial nerves
The 12 cranial nerves are __ paired. - CORRECT ANSWERS I. Olfactory
II. Optic
III. Oculomotor
IV. Trochlear
V. Trigeminal
VI. Abducens
VII. Facial
VIII. Vestibulocochlear
IX. Glossopharyngeal
X. Vagus
XI. Accessory
XII. Hypoglossal
-bilaterally
What's the acronym to remember the cranial nerves?
What's the acronym to remember the functions of cranial nerves?
Most of the cranial nerves do not have parasympathetic fibers, but which do?
Cranial nerve nuclei
-motor tends to be __, sensory __ - CORRECT ANSWERS -On Old Olympus' Towering Tops, A
Friendly Viking Grew Vines And Hops
,-Some Say Marry Money, But My Brother Says Big Brains Matter More
-Oculomotor, Facial, Glossopharyngeal, Vagus
-midline; lateral
Cranial Nerve I: Olfactory
-fibers run from __ to ___
-passes through __ plate
-functions solely for __
-cribiform plate located in ___
-only cranial nerve that goes ___
-cribiform plate easily fractures in __, leading to ___ - CORRECT ANSWERS -olfactory bulb;
olfactory cortex
-cribiform
-smell
-anterior cranial fossa
-straight to the front
-head trauma; anosmia (leads to not being able to smell)
Cranial Nerve II: Optic
-optic nerve via ___ to __
-synapse at __ then to __
-functions solely for __ - CORRECT ANSWERS -optic canal; optic chiasm
-thalamus; visual cortex
-vision
Cranial Nerve III: Oculomotor
, -fibers go from midbrain through ___ to __
-raises the __, moves the ___, constricts the __ and controls ___
-innervates ____
-travels with __
-__ does 90% of the action
-___ is in the midbrain; parasympathetic ___ the pupils - CORRECT ANSWERS -superior orbital
fissure; eye muscles
-eyelid; eyeball; iris; lens shape
-medial rectus, inferior rectus, inferior oblique, superior rectus
-parasympathetic axons
-medial rectus (rectus means strength)
-3rd cranial nerve nucleus; constricts (makes them smaller)
Cranial Nerve IV: Trochlear
-fibers from midbrain enter __
-innervates ____
-CN 4 is known as a trauma nerve b/c ___
-its only function is to ___
-only cranial nerve to ___ - CORRECT ANSWERS -orbit
-superior oblique muscles (motor nerve to the eyeball)
-it is often damaged in a trauma
-rotate the eyeball
-exit dorsally
Contraction of superior rectus move eyeball __, lateral moves it to ___, medial to the __, inferior moves
it __, superior oblique rotates the eyeball ___ - CORRECT ANSWERS -up; the side; middle;
down; inwards (intorsion)
