Neuroanatomy Exam Review Questions And
100% Correct Answers
Olfactory Nerve: Afferent Function: and test done? ANSWER Function: smell -Test:
Identify odor Optic Nerve: Afferent Function: and test done? ANSWER Function: vision
-Test: Near/Far sighted Snellen Chart/Rosenbarum Chart Oculomotor Nerve: Efferent
Function: and test done? ANSWER Function: pupil constriction -Test: eye movement and
pupil constriction
The Trochlear Nerve is Efferent. What is its function and test done? - ANSWER Function:
It provides medial movement to the eye.
Test: Superior Oblique Test: looking down and laterally
The Trigeminal Nerve is both Afferent and Efferent. What is its function and test done? -
ANSWER Function: Provides sensation over face and involved in chewing
Test: Face sensations and clenching teeth
The Abducens Nerve is Efferent. What is its function and test done? - ANSWER Function:
Abducts eye
-Test: Lateral Rectus Test (look laterally)
The Facial Nerve is Afferent and Efferent. What is its function and test done? - ANSWER
Function: Taste, facial expressions
-Test: Smile, wrinkle forehead, whistle, check taste anterior 2/3 tongue
The Vestibulocochlear Nerve is Afferent. What is its function and test done? - ANSWER
Function: Sensation of head in position relative to gravity and head movement, hearing.
-Test: Rinne, Weber, Nystagmus
, Glossopharyngeal Nerve - Afferent and Efferent; What is its function and test done?
ANSWER Function: Taste, swallowing, salivation
Test: Ask patient to swallow, check gag reflex, check tase on 1/3 posterior tongue
The Vagus Nerve is Afferent and Efferent. What is its function and test done? ANSWER
Function: Taste, swallowing, speech
Test: Check symmetry of soft palate and uvula
Accessory Nerve is Efferent. What is its function and test done? - ANSWER Function:
Elevate shoulder and turns head. (SCM and traps)
-Test: Ask to shrug shoulders against resistance
Hypoglossal Nerve is Efferent. What is its function and test done? - ANSWER Function:
Tongue movement
-Test: Ask patient to stick out tongue
Where is white matter found and what is its function? -ANSWER Found: superficial
regions of the spinal cord and deep regions of the brain.
-Cognition and learning
Where is gray matter found and what is its function? -ANSWER Found in cerebrum and
cerebral cortex.
-Sensory perception, muscle control, self-control, decision making memory, data
processing
What does the Afferent Motor Neuron transmit from the periphery to the brain?
-ANSWER sensory information, which are nerve impulses to the brain from the
periphery.
Where is the origin of the Afferent Motor Neurons found in the spinal cord? -ANSWER
Posterior Horn
100% Correct Answers
Olfactory Nerve: Afferent Function: and test done? ANSWER Function: smell -Test:
Identify odor Optic Nerve: Afferent Function: and test done? ANSWER Function: vision
-Test: Near/Far sighted Snellen Chart/Rosenbarum Chart Oculomotor Nerve: Efferent
Function: and test done? ANSWER Function: pupil constriction -Test: eye movement and
pupil constriction
The Trochlear Nerve is Efferent. What is its function and test done? - ANSWER Function:
It provides medial movement to the eye.
Test: Superior Oblique Test: looking down and laterally
The Trigeminal Nerve is both Afferent and Efferent. What is its function and test done? -
ANSWER Function: Provides sensation over face and involved in chewing
Test: Face sensations and clenching teeth
The Abducens Nerve is Efferent. What is its function and test done? - ANSWER Function:
Abducts eye
-Test: Lateral Rectus Test (look laterally)
The Facial Nerve is Afferent and Efferent. What is its function and test done? - ANSWER
Function: Taste, facial expressions
-Test: Smile, wrinkle forehead, whistle, check taste anterior 2/3 tongue
The Vestibulocochlear Nerve is Afferent. What is its function and test done? - ANSWER
Function: Sensation of head in position relative to gravity and head movement, hearing.
-Test: Rinne, Weber, Nystagmus
, Glossopharyngeal Nerve - Afferent and Efferent; What is its function and test done?
ANSWER Function: Taste, swallowing, salivation
Test: Ask patient to swallow, check gag reflex, check tase on 1/3 posterior tongue
The Vagus Nerve is Afferent and Efferent. What is its function and test done? ANSWER
Function: Taste, swallowing, speech
Test: Check symmetry of soft palate and uvula
Accessory Nerve is Efferent. What is its function and test done? - ANSWER Function:
Elevate shoulder and turns head. (SCM and traps)
-Test: Ask to shrug shoulders against resistance
Hypoglossal Nerve is Efferent. What is its function and test done? - ANSWER Function:
Tongue movement
-Test: Ask patient to stick out tongue
Where is white matter found and what is its function? -ANSWER Found: superficial
regions of the spinal cord and deep regions of the brain.
-Cognition and learning
Where is gray matter found and what is its function? -ANSWER Found in cerebrum and
cerebral cortex.
-Sensory perception, muscle control, self-control, decision making memory, data
processing
What does the Afferent Motor Neuron transmit from the periphery to the brain?
-ANSWER sensory information, which are nerve impulses to the brain from the
periphery.
Where is the origin of the Afferent Motor Neurons found in the spinal cord? -ANSWER
Posterior Horn
