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Questions and Answers
Which cranial nerve consists of sensory fibers and is concerned with smell or olfaction?
Which cranial nerve consists of sensory fibers and is concerned with smell or olfaction?
- Trochlear (IV)
- Glossopharyngeal (IX)
- Olfactory (I) (correct)
- Accessory (XI)
Which cranial nerve carries only motor fibers and is involved in movements of the eye?
Which cranial nerve carries only motor fibers and is involved in movements of the eye?
- Facial (VII)
- Glossopharyngeal (IX)
- Oculomotor (III) (correct)
- Vagus (X)
Which cranial nerve carries mixed fibers, including both sensory and motor fibers?
Which cranial nerve carries mixed fibers, including both sensory and motor fibers?
- Hypoglossal (XII)
- Trigeminal (V) (correct)
- Abducent (VI)
- Vestibulocochlear (VIII)
Which cranial nerve is associated with a parasympathetic component in addition to its other functions?
Which cranial nerve is associated with a parasympathetic component in addition to its other functions?
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Which cranial nerve passes through the Cribriform plate of ethmoid and terminates in the Olfactory bulb?
Which cranial nerve passes through the Cribriform plate of ethmoid and terminates in the Olfactory bulb?
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Study Notes
Cranial Nerves and Olfaction
- The cranial nerve consisting of sensory fibers concerned with smell or olfaction is the Olfactory Nerve (I).
Cranial Nerve Functions
- The cranial nerve that carries only motor fibers and is involved in movements of the eye is the Oculomotor Nerve (III).
Mixed Cranial Nerve Functions
- The cranial nerve that carries mixed fibers, including both sensory and motor fibers, is the Trigeminal Nerve (V).
Parasympathetic Component
- The cranial nerve associated with a parasympathetic component in addition to its other functions is the Vagus Nerve (X).
Olfactory Nerve Pathway
- The Olfactory Nerve (I) passes through the Cribriform plate of the ethmoid bone and terminates in the Olfactory bulb.
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