Deck 4: Head and Neck Anatomy and Physiology

Question 1

The masseter muscle is innervated by the:

A)Facial nerve
B)Hypoglossal nerve
C)Mandibular division of the trigeminal nerve
D)Maxillary division of the trigeminal nerve

Answer 1

Mandibular division of the trigeminal nerve

Question 2

The perforated cribriform plate of the ethmoid bone allows for the passage of nerves affecting one of the senses. Identify the sense and the nerve.

A)Sight/optic nerve
B)Smell/olfactory nerve
C)Sound/vestibulocochlear nerve
D)Taste/facial nerve

Answer 2

Smell/olfactory nerve

Question 3

Which of the following muscles insert into the lateral surface of the angle of the mandible?

A)Lateral pterygoid
B)Masseter
C)Medial pterygoid
D)Temporalis

Answer 3

Masseter

Question 4

Which of the following muscles causes the jaw to retract?

A)Temporalis
B)Lateral pterygoid
C)Masseter
D)Medial pterygoid

Question 5

The extrinsic muscles of the tongue are named for their:

A)Action
B)Innervation
C)Insertion
D)Origin

Question 6

Several of the muscles of mastication are attached to the sphenoid bone. What is the name of the landmark on the sphenoid bone for these attachments?

A)Greater wings
B)Pterygoid process
C)Pterygopalatine space
D)Styloid process

Question 7

Which of the following muscles, when contracted, make the client's vestibule tight and shallow, thereby making it difficult to instrument the facial aspect of the anterior mandibular teeth?

A)Levator anguli oris
B)Depressor labii inferioris
C)Mentalis
D)Zygomaticus major

Question 8

Which of the following cells play a role in the resorption of bone?

A)Osteoblasts
B)Osteoclasts
C)Osteocytes
D)Chrondrocytes

Question 9

The maxillary tuberosity is perforated by many foramina. It is the landmark for the administration of local anesthesia for the lingual aspect of the anterior maxillary teeth.

A)Both statements are TRUE
B)Both statements are FALSE
C)The first statement is TRUE, and the second statement is FALSE
D)The first statement is FALSE, and the second statement is TRUE

Question 10

Paranasal sinuses:

A)Hold fibers that perceive odors
B)Drain through the nasal conchae
C)Increase the surface area of the respiratory epithelium
D)Increase the surface area of the olfactory epithelium

Question 11

Which of the following statements concerning the masseter muscle is correct?

A)It is the most superficial muscle of facial expression
B)It originates from the zygomatic arch
C)It inserts on the medial surface of the mandible's angle
D)It depresses the mandible during contraction

Question 12

Which of the following sentences best describes the alveolar process of the maxilla?

A)This process contains the infraorbital foramen
B)The genial tubercles are attached to this process
C)The mental foramen is present on its lateral aspect
D)This process is easily remodeled because of its lack of density

Question 13

The sphenoid bone is a complicated bone containing foramina, fissures, and landmarks for the passage or attachment of many important features of the head. An important nerve for dentistry that runs exclusively through this bone is the:

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

Question 14

The muscles responsible for movement of the tongue are innervated by the:

A)Glossopharyngeal nerve
B)Hypoglossal nerve
C)Trigeminal nerve
D)Vagus nerve

Question 15

The lateral pterygoid muscle is largely contained in the:

A)Greater wing of the sphenoid
B)Infratemporal fossa
C)Pterygoid fossa
D)Temporal fossa

Question 16

Tilting and rotating the head requires the action of the:

A)Platysma muscle
B)Sternocleidomastoid muscle
C)Stylohyoid muscle
D)Trapezius muscle

Question 17

Which of the following features is located on the lateral or external surface of the mandible?

A)Genial tubercles
B)Lingula
C)Mandibular foramen
D)Mental foramen

Question 18

The palate is formed by the palatine bones and __________.

A)Ethmoid bone
B)Nasal bones
C)Maxillary bones
D)Sphenoid bone

Question 19

Which of the following paired suprahyoid muscles unite medially to form the floor of the mouth?

A)Geniohyoid muscle
B)Omohyoid muscle
C)Digastric muscle
D)Mylohyoid muscle

Question 20

Which of the following is a muscle of mastication?

A)Buccinator
B)Zygomaticus major
C)Temporalis
D)Risorius

Question 21

The infratemporal fossa houses all of the following EXCEPT one. Which one is the EXCEPTION?

A)Lateral pterygoid muscles
B)Maxillary artery
C)Maxillary vein
D)Temporalis muscle

Question 22

Concentrated study of which artery and its branches is important in the fields of dentistry and dental hygiene?

A)External carotid
B)Internal carotid
C)Subclavian
D)Radial

Question 23

The chorda tympani is a branch of:

A)The fifth cranial nerve
B)The seventh cranial nerve
C)The ninth cranial nerve
D)The twelfth cranial nerve

Question 24

Which of the following is an example of an exocrine gland?

A)Parotid gland
B)Thymus gland
C)Cavernous venous sinus
D)Deep lymph nodes

Question 25

Which oral landmark marks the opening to the submandibular gland?

A)Lingual frenum
B)Stensen's duct
C)Sublingual fold
D)Sublingual caruncle

Question 26

The three divisions of the trigeminal nerve enter the head through the following foramina:

A)Inferior orbital fissure, foramen rotundum, and foramen magnum
B)Optic canal, foramen rotundum, and foramen ovale
C)Superior orbital fissure, foramen rotundum, and foramen magnum
D)Superior orbital fissure, foramen rotundum, and foramen ovale

Question 27

Which of the following landmarks is present on the maxillary bone?

A)Foramen ovale
B)Greater palatine foramen
C)Infraorbital canal
D)Superior orbital fissure

Question 28

Where is the submandibular salivary gland located?

A)Anterior to the sublingual gland
B)Inferior to the mylohyoid muscle
C)Lateral to the angle of the mandible
D)In the mandibular vestibule area

Question 29

Which of the following nerves exits the mandibular canal?

A)Inferior alveolar
B)Lingual
C)Mandibular
D)Mylohyoid

Question 30

The salivary gland that secretes a serous secretion is the:

A)Parotid gland
B)Submandibular gland
C)Sublingual gland
D)Minor salivary glands

Question 31

The central nervous system is composed of:

A)The autonomic nervous system
B)Spinal nerves
C)Cranial nerves
D)The spinal cord

Question 32

Which of the following nerves are completely efferent?

A)Optic (cranial II)
B)Vestibulocochlear (cranial VIII)
C)Hypoglossal (cranial XII)
D)Trigeminal (cranial V)

Question 33

From which artery does the blood supply to mandibular teeth originate?

A)Facial
B)Lingual
C)Mandibular
D)Maxillary

Question 34

Dental and facial infections can spread through the:

A)Blood system
B)Fascial spaces
C)Lymphatic system
D)All of the above

Question 35

Damaged to the __________ can result in Bell's palsy.

A)Facial nerve
B)Glossopharyngeal nerve
C)Vagus nerve
D)Trigeminal nerve

Question 36

Which of the following structures can be pierced during the administration of local anesthesia to maxillary molars?

A)Cavernous venous sinus
B)Facial vein
C)Pterygoid plexus of veins
D)Retromolar vein

Question 37

The majority of the hard palate is directly vascularized by the:

A)Sphenopalatine artery
B)Greater palatine artery
C)Lesser palatine artery
D)Ascending palatine artery

Question 38

Under which classification of basic tissues of the body does blood fall?

A)Connective
B)Epithelial
C)Muscle
D)Nerve

Question 39

If a nerve is an efferent nerve, it is a:

A)Motor nerve that travels to the brain
B)Motor nerve that travels away from the brain
C)Sensory nerve that travels to the brain
D)Sensory nerve that travels away from the brain

Question 40

Serious complications from facial or dental infections can occur because of the:

A)Limited anastomosis between the vessels in the head
B)Inability of the vessels in the head and neck to clot
C)Large size of the vessels in the head and neck
D)Absence of valves in the veins of the head

Question 41

The reason that primary lymph nodes lying close to a cancerous lesion are often removed is to prevent the cancer from:

A)Metastasizing
B)Spreading to the secondary nodes
C)Entering the blood supply
D)All of the above

Question 42

Which of the following cranial nerves and tissue pairs are correctly matched?

A)Abducens nerve, tongue muscles
B)Facial nerve, sublingual and submandibular glands
C)Trigeminal nerve, muscles of facial expression
D)Vagus nerve, temporomandibular joint

Question 43

The spaces above and below the fibrous disk of the temporomandibular joint (TMJ) are termed:

A)Articulating cavities
B)Joint cavities
C)Mucosal cavities
D)Synovial cavities

Question 44

After a clinician administers a local anesthetic agent near the infraorbital foramen landmark, the following structures will be anesthetized:

A)Mandibular molars
B)Mandibular 1st and 2nd premolars
C)Maxillary molars
D)Maxillary canines and incisors

Question 45

Into which system does the lymphatic system drain?

A)Arterial
B)Capillary
C)Glandular
D)Venous

Question 46

The floor of the maxillary sinuses is made up of the:

A)Zygomatic process
B)Infratemporal crest
C)Alveolar process of the maxilla
D)Frontal process of the maxilla

Question 47

All of the following are branches of the mandibular division of the trigeminal nerve EXCEPT one. Which one is the EXCEPTION?

A)Buccal nerve
B)Lingual nerve
C)Mental nerve
D)Nasopalatine nerve

Question 48

Which of the following best describes the head of the condyle moving too far anteriorly on the articular eminence?

A)Subluxation
B)Retraction
C)Rotation
D)Lateral deviation

Question 49

The paranasal sinuses drain through the:

A)Lacrimal ducts
B)Nasal conchae
C)Nasal meatuses
D)Ethmoid air cells

Question 50

What structure or area would a clinician palpate to assess the condition of the retroauricular and anterior auricular lymph nodes?

A)The sternocleidomastoid muscle
B)The angle of the mandible
C)The region behind and in front of the ear
D)The occipital region