Cranial Nerves and Their Functions Flashcards
Which cranial nerve is being tested clinically in image A?
A - Hypoglossal nerve (CN XII)
Which cranial nerve provides general sensation to area A?
A - Glossopharyngeal nerve (CN IX)
Oropharynx
Which cranial nerve provides motor innervation to muscle A?
A - Mandibular division of the trigeminal nerve
Masseter
Which cranial nerves provide sensory sensation to areas A, B and C?
A - Ophthalmic division of the trigeminal (CN V1)
B - Maxillary division of the trigeminal (CN V2)
C - Mandibular division of the trigeminal (CN V3)
Which cranial nerve provides motor innervation to muscle A?
A - Mandibular division of the trigeminal nerve (CN V3)
Medial pterygoid
Which cranial nerve provides motor innervation to muscle A?
A - Mandibular division of the trigeminal nerve (CN V3)
Temporalis
Which cranial nerve provides motor supply to structure A?
A - Facial nerve (CN VII)
Which cranial nerve provides general sensation to area A?
A - Glossopharyngeal nerve (CN IX)
Majority of nasopharynx
Testing of which cranial nerve is being conducted in image A?
A - Vestibulocochlear nerve (CN VIII)
General sensation is provided to area A by which cranial nerve?
A - Vagus nerve (CN X)
General sensation is provided to area A by which cranial nerve?
A - Mandibular division of the trigeminal (CN V3)
Which cranial nerve is being tested clinically in image A?
(“Say ahhhh”)
A - Vagus nerve (CN X)
Which cranial nerve innervates muscle A?
A - Spinal accessory nerve (CN XI)
Sternocleidomastoid
Which cranial nerve(s) is being tested in image A?
A - Glosspharyngeal nerve (CN IX) (and vagus nerve, CN X)
Gag reflex
A palsy of which cranial nerve is shown in picture A?
A - Oculomotor nerve (CN III)
Which cranial nerve innervates structure A?
A - Glossopharyngeal nerve (CN IX)
Palatine tonsil
Which cranial nerve provides general sensation to area A?
A - Mandibular division of the trigeminal nerve (CN V3)
Anterior 2/3rd tongue
Which cranial nerve provides taste sensation to area A?
A - Vagus nerve (CN X)
Epiglottis
Name the cranial nerve which provides motor innervation to the muscles at A
A - Facial nerve (CN VII)
Muscles of facial expression
Which cranial nerve provides parasympathetic supply to structure A?
A - Glossopharyngeal nerve (CN IX)
Parotid gland
Which cranial nerve innervates structure A
A - Glossopharyngeal nerve (CN IX)
Inner ear structures
General sensation is provided to area A by which cranial nerve?
A - Facial nerve (CN VII)
Which cranial nerve innervates muscle A?
A - Spinal accessory nerve (CN XI)
Trapezius
A palsy of which cranial nerve is shown in picture A?
A - Abducens nerve (CN VI)
Which cranial nerve innervates muscle A?
A - Mandibular division of the trigeminal (CN V3)
Tensor veli palatini
Which cranial nerve provides motor innervation to muscle A?
A - Glossopharyngeal nerve (CN IX)
Stylopharyngeus
Which cranial nerve provides general sensation to area A?
A - Ophthalmic division of the trigeminal nerve (CN V1)
Which cranial nerve provides parasympthetic supply to structures A and B?
A/B - Facial nerve (CN VII)
Submandibular gland (A)
Sublingual gland (B)
Which cranial nerve provides motor innervation to muscle A?
A - Mandibular division of the trigeminal nerve (CN V3)
Lateral pterygoid
Which cranial nerve provides taste sensation to area A?
A - Facial nerve (CN VII)
(Via chorda tympani)
Anterior 2/3rd of tongue
Which cranial nerve innervates structure A
A - Glossopharyngeal nerve (CN IX)
Eustachian tube
Which cranial nerve provides general sensation and taste to area A?
A - Glossopharyngeal nerve (CN IX)
Posterior 1/3rd tongue
Which cranial nerve provides general sensation to area A?
A - Maxillary division of the trigeminal nerve (CN V2)
Which cranial nerve is being tested in picture A?
A - Ophthalmic division of the trigeminal nerve (CN V1)
(Sensory aspect of the test, CN VII is the motor aspect)
Which cranial nerve (motor aspect) is being tested in picture A?
A - Oculomotor nerve (CN III)
(CN II is responsible for the sensory aspect)
Pupillary light reflex
