Ch 4: head and neck A&P Blues

Damage to this nerve can result in facial paralysis or Bell palsy.

Facial***

During an oral examination, you ask the client to protrude the tongue. What muscle is necessary for this action?

Genioglossus***

Which of the following describes the type of movement achieved by the temporomandibular joint?

Gliding and rotation***

62. Which of the following nerves is paired correctly with the tissue it innervates?

Glossopharyngeal nerve, base of tongue***

Which one of the following statements is NOT true about the pterygoid plexus? a. Drains portions of the face into the maxillary vein b. Can be involved in the spread of dental infections by improper administration of local anesthesia c. Protects the maxillary artery d. Has valves that prevent backflow of blood

Has valves that prevent backflow of blood***

Which of the following would the dental hygienist NOT do during the reevaluation appointment? a. Assess bleeding on probing. b. Assess the gingival health. c. Remove residual calculus. d. Take four horizontal bitewings.

Take four horizontal bitewings.***

Which of the following local anesthetic agents would be a better choice for Ms. Thomas because of her hypertension?

Lidocaine without epinephrine***

What is the purpose of synovial fluid in the synovial joint?

Lubricates the joint***

Which of the following nerves enters the skull through the foramen ovale?

Mandibular***

Which of the following nerves innervates the four muscles of mastication?

Mandibular***

Which of the following nerves is the largest of the trigeminal branches?

Mandibular***

Which of the following arteries supplies the muscles of mastication?

Maxillary artery***

Which of the following bones has paired canals that transmit cranial nerve XII, hypoglossal?

Occipital bone****

Which one of the following muscles of facial expression encircles the mouth and is responsible for closure of the lips?

Orbicularis oris***

Which of the following glands secrete hormones to regulate calcium metabolism and phosphorus uptake?

Parathyroid***

Which of the following glands is the largest salivary gland?

Parotid***

Which of the following is mostly likely the swollen lymph node identified by the dental hygienist during an extraoral examination?

Preauricular***

The facial nerve travels through the parotid gland; innervation of the parotid gland is provided by the facial nerve. b. Both statements are FALSE. c. The first statement is TRUE; the second statement is FALSE. d. The first statement is FALSE; the second statement is TRUE.

The first statement is TRUE; the second statement is FALSE.***

The four muscles of mastication are the masseter, temporalis, medial pterygoid, and lateral pterygoid; these muscles of mastication are innervated by the cranial nerve VI. a. Both statements are TRUE. b. Both statements are FALSE. c. The first statement is TRUE; the second statement is FALSE. d. The first statement is FALSE; the second statement is TRUE.

The first statement is TRUE; the second statement is FALSE.***

Which of the following is a landmark on the sphenoid bone for the attachment of many of the muscles of mastication?

Pterygoid process***

A ligament associated with the temporomandibular joint is an important landmark for local anesthesia. Name the landmark and the nerve block.

Sphenomandibular ligament, inferior alveolar***

Which part of the temporal bone forms the cranial portion of the temporomandibular joint?

Squamous part****

Which of the following lymph nodes drain the cheek, hard palate, tongue, and anterior nasal cavity?

Submandibular nodes***

Which of the following facial arteries supplies the submandibular salivary gland?

Submental artery***

Which of the following muscle groups elevate the hyoid bone?

Suprahyoid muscles***

petrous portion of the temporal bone contains the mastoid process. This process serves as an attachment for the trapezius muscle. true or false true or false

T F

All references to body structures are made assuming body is in anatomical position; anatomical position is erect position of the body, arms at the sides, with head, eyes, and palms facing forward. True or False True or False

T T

Knowledge of the trigeminal nerve is critical for the successful administration of a local anesthetic agent. Which of the following cranial nerves is the trigeminal nerve?

V***

Infiltration of local anesthetic is more successful in mandibular anterior teeth than mandibular posterior teeth because

alveolar process of the mandibular incisors is less dense.***

All the following are branches of the maxillary division of the trigeminal nerve EXCEPT the a. infraorbital nerve. b. anterior superior alveolar nerve. c. auriculotemporal nerve. d. nasopalatine nerve.

auriculotemporal nerve.***

central nervous system consists of the following:

brain and spinal cord.***

The muscle of facial expression that aids in mastication is the

buccinator.***

Nerves that carry impulses away from the brain or spinal cord to a body structure are known as

efferent.***

Pea-like firmness of the facial lymph nodes might indicate

infection from adjacent teeth.***

When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is termed its

insertion.***

only trigeminal nerve division carrying both afferent and efferent nerves is the

mandibular.***

Infection of the following sinuses can cause discomfort and complications with the maxillary posterior teeth:

maxillary.***

Infiltration of all the following nerves would help anesthetize quadrant I EXCEPT the a. greater palatine. b. mental. c. posterior superior alveolar. d. nasopalatine.

mental.***

muscle that unites with its counterpart to form the floor of the mouth is the

mylohyoid***

Lateral deviation of the mandible occurs when

one head of the lateral pterygoid muscle is contracted.***

sublingual caruncle

receives the submandibular duct.***

The salivary gland most often associated with salivary stone formation is the

submandibular.***

All the following are muscles of facial expression EXCEPT the orbicularis oculi. buccinator. temporalis. mentalis.

temporalis.***

temporomandibular joint is innervated by the

trigeminal nerve.***

All the following are paired facial bones EXCEPT the nasal bone. maxilla bone. zygomatic bone. vomer.

vomer.***

The palatine tonsil is commonly enlarged in children. This tonsil is also referred to as the adenoids. a. Both statements are TRUE. b. Both statements are FALSE.*** c. The first statement is TRUE; the second statement is FALSE. d. The first statement is FALSE; the second statement is TRUE.

Both statements are FALSE.***

Intrinsic tongue muscles are located entirely inside the tongue. These muscles act to change the shape of the tongue. true or false true or false

Both statements are TRUE.***

Salivary glands in the soft palate (buccal, labial, and lingual mucosa) secrete mostly mucous fluid. Von Ebner glands located in the circumvallate lingual papillae secrete only serous fluid. a. Both statements are TRUE.*** b. Both statements are FALSE. c. The first statement is TRUE; the second statement is FALSE. d. The first statement is FALSE; the second statement is TRUE.

Both statements are TRUE.***

The facial vein communicates with the cavernous venous sinus; this sinus can become fatally infected through the spread of dental infection. a. Both statements are TRUE.*** b. Both statements are FALSE. c. The first statement is TRUE; the second statement is FALSE. d. The first statement is FALSE; the second statement is TRUE.

Both statements are TRUE.***

The muscles of mastication consist of four paired muscles inserting on the mandible. The muscles of mastication are innervated by the mandibular division of cranial nerve V. true or false true or false

Both statements are TRUE.***

Dental infections can lead to serious complications because veins in the head and neck generally lack valves that prevent the backflow of blood. a. Both the statement and reason are correct and related. b. Both the statement and reason are correct but NOT related. c. The statement is correct but the reason is NOT. d. NEITHER the statement NOR reason is correct.

Both the statement and reason are correct and related.***

Taste sensations for the body of the tongue are provided by which of the following nerves?

Chorda tympani branch of the facial***

articular fossa of the temporal bone articulates with the mandible at the temporomandibular joint at which landmark?

Condyle***

Which of the following landmarks on the ramus of the mandible serves as a landmark for determining the height of injection for the inferior alveolar nerve block?

Coronoid notch***

Which of the following structures is perforated by foramina for the passage of olfactory nerves for the sense of smell?

Cribriform plate***

Which of the following lymph nodes empty into the jugular trunk?

Deep cervical nodes***

anatomical term that best describes the top surface of the tongue is

Dorsal

sympathetic nervous system prepares the body for stressful situations, or "fight-or-flight" Response. Which of the following symptoms might a client with severe dental anxiety exhibit during the dental appointment?

Increase in heart rate***

formation of the flat bones of the skull?

Intramembranous ossification

Which of the following lymph nodes is easily palpable in clients with tonsillar lymphadenopathy?

Jugulodigastric node***

Which of the following nerves is NOT part of the mandibular division of the trigeminal nerve Buccal Mental Lacrimal Incisive

Lacrimal***

important landmark for local anesthesia lies posterior to the most distal maxillary molar. Identify the landmark and the nerve that passes through its foramina.

Maxillary tuberosity, posterior superior alveolar nerve***

important landmark to note radiographically to avoid misinterpretation as an oral radiolucent lesion?

Mental foramen***

When contracted, which of the following muscles tightens and narrows the vestibule, making access to the facial aspect of the mandibular incisors difficult?

Mentalis***

To make sure that tooth #5 is anesthetized, which of the following nerves would be infiltrated during anesthesia?

Middle superior alveolar***

Which of the following nerves is not always present in the oral cavity?

Middle superior alveolar***

Which of the following occurs when one side of the sternocleidomastoid muscle is contracted?

The head and neck bend to the same side.***

The thymus gland is an endocrine gland because it has an associated duct. a. Both the statement and reason are correct and related. b. Both the statement and reason are correct but NOT related. c. The statement is correct but the reason is NOT.*** d. NEITHER the statement NOR reason is correct.

The statement is correct but the reason is NOT.***

The parotid gland produces the least volume of saliva because it is the smallest salivary gland. a. Both the statement and the reason are correct and related. b. Both the statement and the reason are correct but are NOT related. c. The statement is correct, but the reason is NOT correct. d. NEITHER the statement NOR the reason is correct.

The statement is correct, but the reason is NOT correct.***

46. When examining a healthy client, this exocrine gland moves with its associated cartilage.

Thyroid gland***

Which of the following is NOT an exocrine gland of the head?

Thyroid gland***

Which of the following premolars are often extracted before orthodontic treatment?

Tooth #5 and tooth #12***

All three branches of which one of the following nerves passes through foramina on the sphenoid bone?

Trigeminal nerve

All the following major salivary glands secrete mixed secretions EXCEPT the a. parotid gland. b. submandibular salivary gland. c. sublingual salivary gland. d. Von Ebner gland.

a. parotid gland.***

Each of the following bones of the skull is considered a facial bone EXCEPT the a. maxillae. b. occipital bone. c. zygomatic bone. d. lacrimal bone.

b. occipital bone.

which of the following pairs is a moveable articulation formed?

c. Occipital condyles with first cervical vertebrae (atlas)***

most reliable arterial pulse in the body is located in the

carotid sinus.***

articulation between the frontal bone and the parietal bones is the

coronal suture.

All of the following cranial nerves are part of the pharyngeal plexus and pass through the skull by way of the jugular foramen EXCEPT a. cranial nerve VI (abducens nerve). b. cranial nerve IX (glossopharyngeal nerve). c. cranial nerve X (vagus nerve). d. cranial nerve XI (accessory nerve).

cranial nerve VI (abducens nerve).***

Leukocytes are white blood cells that protect the body against infection. All the following are leukocytes EXCEPT a. neutrophils. b. eosinophils. c. basophils. d. erythrocytes.

d. erythrocytes.***

All the following muscles of mastication elevate the mandible EXCEPT the a. masseter. b. medial pterygoid. c. temporalis. d. lateral pterygoid.

d. lateral pterygoid.***