MEDICINE MCQ
NEUROLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Diencephalon
|
|
Mesencephalon
|
|
Rostral medulla oblongata
|
|
Caudal medulla oblongata
|
Detailed explanation-1: -Cranial nerves that exit the medulla are (from caudal to rostral) the hypoglossal (XII), accessory (XI), vagus (X), and glossopharyngeal (IX). The cranial nerves exiting at the pons–medulla junction are (from medial to lateral) the abducens (VI), facial (VII), and vestibulocochlear (VIII).
Detailed explanation-2: -The Vestibulocochlear nerve (cranial nerve VIII) – Arises from the brainstem directly lateral to the sensory root of the facial nerve. Cranial nerve VIII has two distinct portions, the vestibular, responsible for balance, and the cochlear, which is responsible for hearing.
Detailed explanation-3: -glossopharyngeal nerve (CN IX) vagus nerve (CN X) accessory nerve (CN XI) hypoglossal nerve (CN XII) 03-Apr-2023