Nerves Sample Questions Flashcards
(98 cards)
Which part of the nervous system includes the brain and spinal cord?
A. Peripheral
B. Central
C. Autonomic
D. Somatic
B. Central
How many pairs of cranial nerves are there?
A. 10
B. 12
C. 14
D. 31
B. 12
The trigeminal nerve exits the skull via:
A. Jugular foramen
B. Hypoglossal canal
C. Multiple foramina depending on division
D. Stylomastoid foramen
C. Multiple foramina depending on division
V1 exits via superior orbital fissure, V2 via foramen rotundum, V3 via foramen ovale.
What type of nerve fiber carries impulses to the brain?
A. Efferent
B. Sympathetic
C. Afferent
D. Motor
C. Afferent
Which cranial nerve provides motor innervation to the muscles of facial expression?
A. Trigeminal
B. Glossopharyngeal
C. Vagus
D. Facial
D. Facial
The vagus nerve is only motor in function. T or F
False; It is both motor and sensory.
The lingual nerve provides taste to the anterior 2/3 of the tongue. T or F
False; It provides general sensation; taste comes from chorda tympani.
Cranial nerve XII is the hypoglossal nerve. T or F
True
The sympathetic nervous system is also called the vegetative system. T or F
False; That’s the parasympathetic system
Match the cranial nerve with its function or feature:
A. CN V
B. CN VII
C. CN IX
D. CN X
E. CN XII
___ Innervates muscles of facial expression
___ General sensory to posterior 1/3 tongue
___ Motor to muscles of mastication
___ Taste to anterior 2/3 of tongue
___ Motor to most tongue muscles
___ Parasympathetic to heart and smooth muscle
___ Exits skull via foramen ovale
___ Contains chorda tympani branch
___ Supplies soft palate and pharyngeal constrictors
___ Exits through hypoglossal canal
- B
- C
- A
- B
- E
- D
- A
- B
- C
- E
Which foramen does V2 exit through?
foramen rotundum
Which nerve passes through the parotid gland but does not innervate it?
facial nerve (VII)
What nerve innervates the anterior belly of the digastric muscle?
mylohyoid nerve (branch V3)
Which cranial nerve provides parasympathetic innervation to the submandibular gland?
Facial nerve via chorda tympani
Which branch of V2 innervates the maxillary molars?
Posterior superior alveolar nerve
The infraorbital nerve is a continuation of which trigeminal division?
V2 (maxillary nerve)
Which foramen does the mandibular nerve (V3) exit?
Foramen ovale
The glossopharyngeal nerve provides taste and sensory to which part of the tongue?
Posterior 1/3
Which nerve supplies the buccal gingiva of mandibular molars?
Long buccal nerve (branch of V3)
The mental nerve exits through which foramen?
Mental foramen
Which cranial nerves are most important for dental anatomy?
CN V, VII, IX, X, XII
Which cranial nerve is also called the trigeminal nerve?
CN V
Which nerve provides sensory to the anterior 2/3 of the tongue?
Lingual nerve (branch of CN V3)
Which nerve provides taste to the anterior 2/3 of the tongue?
Chorda tympani (branch of CN VII)