BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Olfactory Nerve Correct answers
- Cranial Nerve: I
- Composition: Sensory
- Function: Smell
- Damaged: Impaired smell
Optic Nerve Correct answers
- Cranial Nerve: II
- Composition: Sensory
- Function: Vision
- Damaged: Blindness
Oculomotor Nerve Correct answers
- Cranial Nerve: III
- Composition: Motor
- Function: Eye movement, Opening of eyelid, and pupil constriction
- Damaged: drooping eyelid, dilated pupil, inability to move eye in some
directions
Trochlear Nerve Correct answers
- Cranial Nerve: IV
- Composition: Motor
- Function: Eye Movement (superior oblique muscle)
- Damaged: weakened ability to look downward
,BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Trigeminal Nerve Correct answers
- Cranial Nerve: V
- Composition: Two sensory divisions (Ophthalamic and Maxillary)
- Function: Sensory - face; motor - muscles of mastication
- Damaged: loss of facial sensation; impaired chewing
Abducens Nerve Correct answers
- Cranial Nerve: VI
- Composition: Motor
- Function: Lateral movement of eye
- Damaged: inability to turn eye laterally
Facial Nerve Correct answers
- Cranial Nerve: VII
- Composition: Mixed
- Function: Sensory - taste on anterior 2/3 of tongue; Motor - various
facial/neck muscles and glands
- Damaged: Inability to control facial muscles, impaired sense of taste
Vestibulocochlear Nerve Correct answers
- Cranial Nerve: VIII
- Composition: Sensory
- Function: Hearing and balance
- Damaged: Deafness and impaired balance
,BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Glossopharyngeal Nerve Correct answers
- Cranial Nerve: IX
- Composition: Mixed
- Function: Sensory - taste, touch, pressure, pain, and temperature on
posterior 1/3 of tongue; Motor - salivation, swallowing, and gagging
- Damaged: Loss of taste, impaired swallowing
Vagus Nerve Correct answers
- Cranial Nerve: X
- Composition: Mixed
- Function: Sensory - taste, hunger, and fullness; Motor - swallowing,
speech, and regulation of heart and GI tract
- Damaged: Impaired swallowing and GI motility; fatal if both Vagus
nerves are damaged
Accessory Nerve Correct answers
- Cranial Nerve: XI
- Composition: Motor
- Function: Swallowing; head, neck, and shoulder movements
- Damaged: Impaired movement of head, neck and shoulders
Hypoglossal Nerve Correct answers
- Cranial Nerve: XII
- Composition: Motor
, BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
- Function: Tongue movements for speech, food manipulation, and
swallowing
- Damaged: Impaired tongue movements for speech and swallowing
Longitudinal Fissure Correct answers
Separates 2 cerebral hemispheres.
Central Sulcus Correct answers
Separates parietal and frontal lobes.
Gyri Correct answers
Thick folds (hills) of the brain.
Sulci Correct answers
Shallow grooves (valleys) of the brain.
Corpus Callosum Correct answers
- Thick nerve bundle at the bottom of the longitudinal fissure that
connects hemispheres.
- Considered part of the cerebrum.
- Allows for communication between the hemispheres.
Gray Matter Correct answers
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Olfactory Nerve Correct answers
- Cranial Nerve: I
- Composition: Sensory
- Function: Smell
- Damaged: Impaired smell
Optic Nerve Correct answers
- Cranial Nerve: II
- Composition: Sensory
- Function: Vision
- Damaged: Blindness
Oculomotor Nerve Correct answers
- Cranial Nerve: III
- Composition: Motor
- Function: Eye movement, Opening of eyelid, and pupil constriction
- Damaged: drooping eyelid, dilated pupil, inability to move eye in some
directions
Trochlear Nerve Correct answers
- Cranial Nerve: IV
- Composition: Motor
- Function: Eye Movement (superior oblique muscle)
- Damaged: weakened ability to look downward
,BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Trigeminal Nerve Correct answers
- Cranial Nerve: V
- Composition: Two sensory divisions (Ophthalamic and Maxillary)
- Function: Sensory - face; motor - muscles of mastication
- Damaged: loss of facial sensation; impaired chewing
Abducens Nerve Correct answers
- Cranial Nerve: VI
- Composition: Motor
- Function: Lateral movement of eye
- Damaged: inability to turn eye laterally
Facial Nerve Correct answers
- Cranial Nerve: VII
- Composition: Mixed
- Function: Sensory - taste on anterior 2/3 of tongue; Motor - various
facial/neck muscles and glands
- Damaged: Inability to control facial muscles, impaired sense of taste
Vestibulocochlear Nerve Correct answers
- Cranial Nerve: VIII
- Composition: Sensory
- Function: Hearing and balance
- Damaged: Deafness and impaired balance
,BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
Glossopharyngeal Nerve Correct answers
- Cranial Nerve: IX
- Composition: Mixed
- Function: Sensory - taste, touch, pressure, pain, and temperature on
posterior 1/3 of tongue; Motor - salivation, swallowing, and gagging
- Damaged: Loss of taste, impaired swallowing
Vagus Nerve Correct answers
- Cranial Nerve: X
- Composition: Mixed
- Function: Sensory - taste, hunger, and fullness; Motor - swallowing,
speech, and regulation of heart and GI tract
- Damaged: Impaired swallowing and GI motility; fatal if both Vagus
nerves are damaged
Accessory Nerve Correct answers
- Cranial Nerve: XI
- Composition: Motor
- Function: Swallowing; head, neck, and shoulder movements
- Damaged: Impaired movement of head, neck and shoulders
Hypoglossal Nerve Correct answers
- Cranial Nerve: XII
- Composition: Motor
, BIO 201 - EXAM 4 – ASU QUESTIONS AND
ANSWERS LATEST DOWNLOADED 2025/2026 A
COMPLETE SOLUTION BEST GRADED TO SCORE
A+ FOR PASS
- Function: Tongue movements for speech, food manipulation, and
swallowing
- Damaged: Impaired tongue movements for speech and swallowing
Longitudinal Fissure Correct answers
Separates 2 cerebral hemispheres.
Central Sulcus Correct answers
Separates parietal and frontal lobes.
Gyri Correct answers
Thick folds (hills) of the brain.
Sulci Correct answers
Shallow grooves (valleys) of the brain.
Corpus Callosum Correct answers
- Thick nerve bundle at the bottom of the longitudinal fissure that
connects hemispheres.
- Considered part of the cerebrum.
- Allows for communication between the hemispheres.
Gray Matter Correct answers
