Exam Questions with Already Solved
Solutions.
12 cranial nerves ( OOOT TAF VG VAH ) - Answer 1. Olfactory
2. Optic
3. Oculomotor
4. Trochlear
5. Trigeminal
6. Abducens
7. Facial
8. Vestibulocochlear
9. Glossopharyngeal
10. Vagus
11. Accessory
12. Hypoglossal
S S M M B M B S B B M M - Answer Some Say Marry Money but My Brother Says Big Brains
Matter Most
Sensory; Motor; Both
trigeminal nerve - Answer Both motor and sensory
Motor- muscles of mastication (Chew)
Sensory- cutaneous sensation of face, surface of the eye, nasal, and oral cavities.
divides into 3 sub groups
v1 Ophthalmic Division
v2 Maxillary Division
v3 Mandibular Division
V1 (opthalmic division of Trigeminal) - Answer -Sensory - cutaneous sensation to the forehead,
, - Cutaneous sensation to cheek, face, upper lip, nasal and oral cavities, and upper teeth.
- Passes through Foramen rotundum and also through infraorbital Forman
V3 (mandibular division of trigeminal nerve) - Answer -Both (Sensory and Motor)
-Sensory; cutaneous sensation to the ear, lower face and jaw.
-Motor; muscles of mastication (chew)
- 2/3 of anterior portion of the tongue; and lower teeth and lip
-Emerging through foramen ovale
-also through madibular foramen
CN I : Olfactory Nerve - Answer -The olfactory nerves (I) are special sensory nerves for the
sense of smell. They originate in the receptors of the olfactory epithelium and pass through the
olfactory foramina in the cribriform plate of the ethmoid bone, ending at the olfactory bulbs.
CN IX Glossopharyngeal - Answer Both; Motor and Sensory
Muscles for swallowing. Sensation to posterior 2/3 of tongue and internal surface of tympanic
membrane. Taste posterior 1/3 of tongue.
Jugular Foramen
Sensory superior ganglion, inferior ganglion
Motor- innervate phalangeal muscles
CN VII Facial - Answer Both; Sensory and Motor
Facial expression and produces both saliva and tears.
Special sensation of taste to anterior 2/3 of the tongue
Parasympathetic - lacrimal, sublingual, and submandibular glands; mucosa of the nose, pharynx
and palate
Pass through internal acoustic meatus of temporal bone, along facial canal to reach
stylomastoid foramen
prosencephalon becomes - Answer telencephalon, diencephalon - differentiates into
cerebrum, thalamus, hypothalamus, lateral, and third ventricles
telencephalon becomes - Answer cerebrum and lateral ventricles