Final- Anatomy

Question 1

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 attachements?

Answer 1

pterygoid process

Question 2

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

Answer 2

trigeminal nerve

Question 3

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

Answer 3

osteoclasts

Question 4

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

Answer 4

This process is easily remodeled because of its lack of density.

Question 5

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

Answer 5

smell/olfactory nerve

Question 6

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

Answer 6

The first statement is true. The second statement is false.

Question 7

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

Answer 7

mental foramen

Question 8

The hard palate is formed by the palatine bones and the:

Answer 8

maxillary bone

Question 9

Paranasal sinuses:

Answer 9

drain through the nasal conchae

Question 10

Tilting and rotating the head requires the action of

Answer 10

sternocleidomastoid muscle

Question 11

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

Answer 11

mentalis

Question 12

Which of the following is a muscle of mastication?

Answer 12

temporalis

Question 13

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

Answer 13

masseter

Question 14

Which of the following muscles causes the jaw to protrude?

Answer 14

lateral pterygoid

Question 15

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

Answer 15

It originates from the zygomatic arch

Question 16

The extrinsic muscles of the tongue are named for their:

Answer 16

origin

Question 17

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

Answer 17

mylohyoid muscle

Question 18

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

Answer 18

hypoglossal nerve

Question 19

The lateral pterygoid muscle is largely contained in the:

Answer 19

infratemporal fossa

Question 20

The masseter muscle is innervated by the:

Answer 20

mandibular division of the trigeminal nerve (V3)

Question 21

Under which classification of basic tissue does blood fall?

Answer 21

connective

Question 22

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

Answer 22

external carotid artery

Question 23

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

Answer 23

maxillary artery

Question 24

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

Answer 24

pterygoid plexus of veins

Question 25

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

Answer 25

absence of valves in veins of the head.

Question 26

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

Answer 26

parotid salivary gland

Question 27

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

Answer 27

greater palatine artery

Question 28

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

Answer 28

temporalis muscle

Question 29

Which oral landmark marks the opening to the submandibular gland?

Answer 29

sublingual caruncle

Question 30

Dental and facial infections can spread through the:

Answer 30

blood system fascial spaces lymphatic system ALL OF THE ABOVE

Question 31

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

Answer 31

motor nerve that travels away from the brain

Question 32

The central nervous system is composed of:

Answer 32

the spinal cord

Question 33

Which of the following nerves are completely efferent?

Answer 33

hypoglossal nerve (CN XII)

Question 34

Which of the following nerve exits the mandibular canal?

Answer 34

inferior alveolar nerve

Question 35

The chorda tympani is a branch of:

Answer 35

the seventh cranial nerve

Question 36

Damage to the _______ can result in Bell's palsy.

Answer 36

facial nerve

Question 37

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

Answer 37

superior orbital fissure, foramen rotundum, and foramen ovale

Question 38

Where is the submandibular salivary gland located?

Answer 38

inferior to the mylohyoid muscle

Question 39

The salivary gland that secretes a serous secretion is the:

Answer 39

parotid

Question 40

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

Answer 40

infraorbital canal

Question 41

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

Answer 41

subluxation

Question 42

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

Answer 42

synovial cavities

Question 43

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

Answer 43

maxillary canines and incisors

Question 44

Into which system does the lymphatic system drain?

Answer 44

venous

Question 45

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

Answer 45

region behind and in front of the ear

Question 46

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

Answer 46

facial nerve, sublingual and submandibular salivary gland

Question 47

The paranasal sinuses drain through the:

Answer 47

nasal meatuses

Question 48

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

Answer 48

alveolar process of the maxilla

Question 49

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

Answer 49

nasopalatine nerve

Question 50

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

Answer 50

metastasizing spreading to secondary nodes entering the blood supply ALL OF THE ABOVE