Cranial Nerves Flashcards
What are the two components of the trigeminal nerve (CN V)?
Branchial motor
General sensory
What is the function of the branchial motor component of the trigeminal nerve (CN V)?
- Muscles of mastication
- Tensor tympani
- Tensor palatini
- Mylohyoid
- Anterior belly of digastric
What nerve supplies the muscles of mastication?
CN V - trigeminal
What is the function of the general sensory component of the trigeminal nerve (CN V)?
- From face & scalp as far as top of head
- Conjuctiva
- Bulb of eye
- Mucous membrane of paranasal sinuses
- Nasal and oral cavities (tongue and teeth)
Which one is not part of the opthalamic nerve (CN V1)?
A. Frontal nerve
B. Nasociliary nerve
C. Zygomatic nerve
D. Lacrimal nerve
C. Zygomatic nerve
Which one is not part of the maxillary nerve (CN V2)?
A. Buccal nerve
B. Superior alveolar nerves
C. Infra-orbital nerve
D. Zygomatic nerve
A. Buccal nerve
Which one is not part of the mandibular nerve (CN V3)?
A. Meningeal branch B. Auriculotemporal nerve C. Buccal nerve D. Lingual nerve E. Superior alveolar nerves F. Inferior alveolar nerve
E. Superior alveolar nerves
Which one is correct?
A. V1: Frontal nerve, Zygomatic nerve, Lacrimal nerve
B. V2: Zygomatic nerve, Superior alveolar nerves, Buccal nerve
C. V1: Lingual nerve, frontal nerve, nasociliary nerve
D. V3: Lingual nerve, buccal nerve, zygomatic nerve
E. V2: zygomatic nerve, infra-orbital nerve, superior alveolar nerves
E. V2: zygomatic nerve, infra-orbital nerve, superior alveolar nerves
What are the components of the facial nerve (CN VII)?
Branchial motor
Visceral motor
General sensory
Special sensory
What is the function of the branchial motor component of the facial nerve (CN VII)?
- Supply stapedius
- Supply stylohyoid
- Supply posterior belly of digastric muscles
- Muscles of facial expression
What is the function of the visceral motor component of the facial nerve (CN VII)?
- stimulate salivary glands
- stimulate mucous membrane of nose
- stimulate hard and soft palates
What is the function of the general sensory component of the facial nerve (CN VII)?
- supply skin of outer ear
What is the function of the special sensory component of the facial nerve (CN VII)?
- taste anterior 2/3 of tongue
What nerve supplies the anterior 2/3 of the tongue?
Facial nerve- CN VII
What nerve supplies the tensor tympani?
Trigeminal nerve- CN V