BIO 201 EXAM 4 ASU COMPREHENSIVE TEST QUESTIONS AND CORRECT ANSWERS COMPLETE SOLUTION VERIFIED PASS

BIO 201 EXAM 4 ASU COMPREHENSIVE
TEST QUESTIONS AND CORRECT ANSWERS
COMPLETE SOLUTION VERIFIED PASS

●● Optic Nerve
Answer: - Cranial Nerve: II
- Composition: Sensory
- Function: Vision
- Damaged: Blindness


●● Oculomotor Nerve
Answer: - 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
Answer: - Cranial Nerve: IV
- Composition: Motor
- Function: Eye Movement (superior oblique muscle)
- Damaged: weakened ability to look downward

,●● Trigeminal Nerve
Answer: - 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
Answer: - Cranial Nerve: VI
- Composition: Motor
- Function: Lateral movement of eye
- Damaged: inability to turn eye laterally


●● Facial Nerve
Answer: - 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
Answer: - Cranial Nerve: VIII

,- Composition: Sensory
- Function: Hearing and balance
- Damaged: Deafness and impaired balance


●● Glossopharyngeal Nerve
Answer: - 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
Answer: - 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
Answer: - Cranial Nerve: XI
- Composition: Motor
- Function: Swallowing; head, neck, and shoulder movements

, - Damaged: Impaired movement of head, neck and shoulders


●● Hypoglossal Nerve
Answer: - Cranial Nerve: XII
- Composition: Motor
- Function: Tongue movements for speech, food manipulation, and
swallowing
- Damaged: Impaired tongue movements for speech and swallowing


●● Longitudinal Fissure
Answer: Separates 2 cerebral hemispheres.


●● Central Sulcus
Answer: Separates parietal and frontal lobes.


●● Gyri
Answer: Thick folds (hills) of the brain.


●● Sulci
Answer: Shallow grooves (valleys) of the brain.


●● Corpus Callosum