Deck 8: Nervous System

Question 1

Where does the infraorbital nerve receive the posterior superior alveolar nerve in order to form the maxillary nerve?

A) Infratemporal fossa
B) Inferior orbital fissure
C) Maxillary tuberosity
D) Pterygopalatine fossa

Answer 1

D

Question 2

Which of the following nerves carry pulpal sensations from the maxillary canine?

A) Nasopalatine nerve
B) Anterior superior alveolar nerve
C) Middle superior alveolar nerve
D) Greater palatine nerve

Answer 2

B

Question 3

During a dental procedure on the buccal surface of the maxillary molars, a patient reports discomfort in the buccal gingival tissue. Which of the following nerves carries this sensation to the brain?

A) Buccal nerve
B) Posterior superior alveolar nerve
C) Zygomaticofacial nerve
D) Chorda tympani nerve

Answer 3

B

Question 4

When a patient complains of pain associated with a burn caused by hot coffee on the anterior dorsal surface of the tongue, which of the following nerves transmits this pain?

A) Glossopharyngeal nerve
B) Facial nerve
C) Vestibulocochlear nerve
D) Hypoglossal nerve

Question 5

During a surgical procedure on the posterior hard palate, which of the following nerves MUST be anesthetized to provide patient comfort?

A) Nasopalatine nerve
B) Posterior superior alveolar nerve
C) Greater palatine nerve
D) Lesser palatine nerve

Question 6

Which of the following nerves is NOT part of the maxillary division of the trigeminal nerve?

A) Anterior superior alveolar nerve
B) Infraorbital nerve
C) Buccal nerve
D) Zygomaticotemporal nerve

Question 7

Discomfort from an infection of BOTH the frontal and ethmoidal sinuses would be associated with involvement of which of the following nerves?

A) Facial nerve
B) Frontal nerve
C) Nasociliary nerve
D) Optic nerve

Question 8

Which of the following effects is prevented on the target nerve during the administration of a local anesthetic agent?

A) Resting potential
B) Action potential
C) Refractory period
D) Repolarization

Question 9

Which of the following skull foramina are associated with the pathway of the seventh cranial nerve from the brain to the facial region?

A) Foramen ovale and foramen rotundum
B) Foramen spinosum and external acoustic meatus
C) Internal acoustic meatus and external acoustic meatus
D) Internal acoustic meatus and stylomastoid foramen

Question 10

Which of the following pair of nerves merges posterior to the mental foramen to form the inferior alveolar nerve?

A) Incisive and lingual nerves
B) Incisive and mental nerves
C) Mylohyoid and mental nerves
D) Mylohyoid and dental plexus nerves

Question 11

Which of the following actions could result from involvement by the efferent part of the fifth cranial nerve?

A) Puckering the lips
B) Feeling of pain when biting the tongue
C) Toothache in the jawbone
D) Chewing a piece of gum

Question 12

After administration of an inferior alveolar nerve block, the patient reports that the lingual gingival tissue of the mandibular premolars and molars is still sensitive. Which nerve provides sensation from the gingival tissue in this area?

A) Mylohyoid nerve
B) Lingual nerve
C) Mental nerve
D) Incisive nerve

Question 13

Which of the following structures are innervated by the motor fibers within the mandibular division of the trigeminal nerve?

A) Muscles of mastication
B) All parts of the tongue
C) Sternocleidomastoid muscle
D) Submandibular salivary glands

Question 14

Which of the following nerves listed below does NOT form the maxillary nerve in the pterygopalatine fossa?

A) Nasopalatine nerve
B) Infraorbital nerve
C) Incisive nerve
D) Anterior superior alveolar nerve

Question 15

After a serious car accident, a fracture of the ramus of the mandible has damaged nerves within the mandibular canal. The tissue MOST likely to be affected by this nerve damage would be the

A) tongue.
B) posterior buccal mucosa.
C) lingual alveolar mucosa.
D) mandibular teeth.

Question 16

Which of the following associations of nerve to bony opening is INCORRECT?

A) Mandibular division of the trigeminal nerve: foramen ovale
B) Olfactory nerve: cribriform plate
C) Oculomotor nerve: inferior orbital fissure
D) Vagus nerve: jugular foramen

Question 17

Which of the following structures is innervated by the vagus nerve?

A) Parotid salivary gland
B) Floor of the mouth
C) Sternocleidomastoid muscle
D) Soft palate muscles

Question 18

Which of the following nerve branches of the facial nerve supplies motor innervation to the buccinator, risorius, and upper lip muscles?

A) Temporal nerve branch
B) Zygomatic nerve branch
C) Buccal nerve branch
D) Mandibular nerve branch

Question 19

Which of the following nerves communicates with the lingual nerve in the submandibular ganglion?

A) Chorda tympani nerve
B) Hypoglossal nerve
C) Greater petrosal nerve
D) Mylohyoid nerve

Question 20

Sympathetic and parasympathetic nerves are antagonistic to one another. BOTH nerve systems function as part of the somatic nervous system.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second is false.
D) The first statement is false; the second is true.

Question 21

Which of the following nerves provide motor innervation to the floor of the mouth?

A) Inferior alveolar nerve
B) Hypoglossal nerve
C) Glossopharyngeal nerve
D) Mylohyoid nerve

Question 22

What structure could be DIRECTLY damaged resulting in disruption of the nasopalatine nerve?

A) Nasal bones
B) Nasal septum
C) Frontal bone
D) Bridge of nose

Question 23

Branches of the facial nerve traverse all of the following openings EXCEPT the

A) foramen rotundum.
B) internal auditory meatus.
C) stylomastoid foramen.
D) pterygoid canal.

Question 24

From the list of regions of the oral cavity, select the regions where crossover of nerves occurs in the jaws of patients which may complicate local anesthesia procedures.

A) Maxillary anterior sextant
B) Maxillary posterior sextants
C) Mandibular anterior sextant
D) Mandibular posterior sextants

Question 25

From the following list of terms, select those terms that can be used to describe the part of the fifth cranial nerve that is formed by the merger of two trunks.

A) Second division
B) Maxillary nerve
C) Third division
D) Mandibular nerve

Question 26

From the following list of descriptions, select those which can be used for the middle superior alveolar nerve.

A) Present in all patients
B) Communicates with adjacent nerves
C) May be absent in some patients
D) Never communicates with adjacent nerves

Question 27

From the following list of nerves, select those nerves that supply the parotid salivary gland.

A) Glossopharyngeal nerve
B) Hypoglossal nerve
C) Auriculotemporal nerve
D) Facial nerve
E) Accessory nerve

Question 28

Which of the following nerves convey parasympathetic fibers to the lacrimal gland?

A) Chorda tympani nerve
B) Occulomotor nerve
C) Glossopharyngeal nerve
D) Zygomatic nerve

Question 29

Which part of the brain is involved in the regulation of BOTH the heartbeat and breathing?

A) Medulla
B) Pons
C) Cerebellum
D) Midbrain

Question 30

From the following list of descriptions, select those which can be used for the chorda tympani nerve.

A) Afferent taste sensation for base of tongue
B) The lingual nerve that communicates with the pterygopalatine ganglion
C) Parasymphathetic efferent nerve for salivary glands
D) Exits the skull by way of the petrotympanic fissure