BIO 253 QUIZ 3 2026 COMPLETE STUDY GUIDE | PRACTICE QUESTIONS & ANSWERS

BIO 253 QUIZ 3 2026 COMPLETE STUDY
GUIDE | PRACTICE QUESTIONS &
ANSWERS
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Updated 2026 Questions and Answers

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, What is the primary function of the Hypoglossal Nerve Tongue movement for speech, swallowing, and food manipulation
(CN XII)?




What is the name of the nerve designated CN I? Olfactory


What is the classification (Type) of the Olfactory Nerve Sensory
(CN I)?


What is the primary function of the Olfactory Nerve (CN Smell
I)?


What is the name of the nerve designated CN II? Optic


What is the classification (Type) of the Optic Nerve (CN Sensory
II)?


What is the primary function of the Optic Nerve (CN II)? Vision (transmitting visual impulses from the retina to the visual cortex)


What is the name of the nerve designated CN III? Oculomotor


What is the classification (Type) of the Oculomotor Nerve Motor
(CN III)?


List the three primary functions of the Oculomotor Nerve Eye movement, raises upper eyelid, and controls pupil constriction and lens
(CN III). focusing




What is the name of the nerve designated CN IV? Trochlear


What is the classification (Type) of the Trochlear Nerve Motor
(CN IV)?