The primary function of the trochlear nerve (IV) is _____ rotation of the eye. a
ID: 99571 • Letter: T
Question
The primary function of the trochlear nerve (IV) is _____ rotation of the eye. a. Medial b. Lateral c. Superior d. inferior Damage to the Abduces nerve (VI) would result in the eye turning _____? A. Upward b. Downward c. Inward d. Outward List the 3 branches of the Trigeminal nerve (V) and state whether they are sensory or motor. The Facial nerve (VII) is a "mixed" nerve List its sensor, function and its motor functions. Nystagmus is a pathological beating of the eye and is a result of damage to which of the cranial nerves?Explanation / Answer
Please find the answers below:
Answer 1: Choice B (The trochlear nerve is exclusively involved in contra-lateral movement of eye)
Answer 2: Choice D (The damage to 6th nerve Abducens is exclusively associated with outward bulging of the eye. This particular feature of the Abducens helps the physicians to analyse the type of damage to the nerves)
Answer 3: The Trigeminal nerve contains three major sub-divisions which distribute into the jaws and control its functions. These nerves can be enlisted as below:
Answer 4: The 7th cranial or the facial nerve is a mixed sensory-motor nerve which has following functions:
Answer 5: Nystagmus represents a pathological nervous defect to the 2nd cranial nerve or the optic nerve in which a person is unable to control the movement of eyes in upward/downward, circular and sideways directions.
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