PRACTICE FINAL
The 12 pairs of thoracic nerves are distributed in the thorax and lumbar regions because all spinal nerves are distributed by region from the neck to the toes
The statement is NOT correct, but the reason is correct
The hyoid bone, a portion of the zygomatic arch, is unusual because it articulates with no other bone
The statement is NOT correct, but the reason is correct
The major salivary gland ducts are located in the mandibular area because the tissues of the floor of the mouth are highly vascular.
The statement is NOT correct, but the reason is correct
The orbicularis oculi raises the eyelids because fibers of this muscle attach to the medial and lateral borders of the orbit
The statement is NOT correct, but the reason is correct
The submandibular gland produces a highly watery secretion because although it is a mixed gland, almost two-thirds of the cells in this gland are serous
The statement is NOT correct, but the reason is correct
Contraction of only the posterior portion of the temporalis muscle retrudes the mandible because this action also depresses the mandible
The statement is correct, but the reason is NOT correct
Infections of mandibular premolars and anterior teeth spread into the sublingual space because the disease breaks out of bone below the mylohyoid line.
The statement is correct, but the reason is NOT correct
The submandibular gland is called a mixed gland because it includes both serous and epithelial cells
The statement is correct, but the reason is NOT correct
Contraction of only the posterior portion of the temporalis muscle retrudes the mandible because this action also depresses the mandible.
The statement is correct, but the reason is NOT correct.
The sublingual gland can appear larger than normal in an edentulous patient because loss of the mandibular ridge of bone makes this gland appear to bulge up in the mandibular vestibule.
The statement is correct, but the reason is NOT correct.
The ophthalmic division is a branch of which nerve?
Trigeminal
Which nerve goes up into the orbit and exits to supply the skin of the cheek and temple?
Zygomatic
Each of the following structures is supplied by branches of the internal carotid artery EXCEPT one. Which one is the EXCEPTION?
cheek
Eyesight is supplied by cranial nerves II and III.
false
Mumps is a bacterial infection of the parotid gland.
false
Muscles of mastication are innervated by the facial nerve.
false
Spasms originating from the TMJ can be referred (as pain) to the sternocleidomastoid muscle (SCM).
false
The maxillary premolars are drained by the submental nodes.
false
The suprahyoid and thyrohyoid muscles control laryngeal movements
false
There is a major maxillary gland as well as several minor submaxillary glands
false
The shape of the hyoid bone resembles a
horseshoe
The nasopalatine nerve leaves the nasal cavity through which foramen
incisive
Sensation to the skin of the mandibular lip and chin is supplied by which nerve
mental
Which muscle opens and closes the nostrils
nasalis
The lingual and the facial arteries
often join together before branching separately
The lateral pterygoid performs each of the following actions upon the mandible EXCEPT one. Which one is the EXCEPTION
retrusion
Ludwig's angina refers to an infection in which space?
submental
The mandibular incisors are drained by which nodes?
submental
Which muscle of mastication does not have two origins?
temporal
All muscles of mastication are attached to an area of the mandible.
true
All of muscles surrounding the oral cavity interlace with the orbicularis oris.
true
Infections that reach the posterior mediastinum can be fatal.
true
Minor salivary glands are most often pure mucous cells.
true
Most of the ducts of the sublingual gland open along the sublingual fold
true
Most of the ducts of the sublingual gland open along the sublingual fold.
true
Motor supply to the tensor veli palatini comes from the trigeminal nerve.
true
The blood supply to the tongue comes from the lingual artery.
true
The external jugular vein empties into the subclavian vein
true
The external jugular vein empties into the subclavian vein.
true
The glands of von Ebner are purely serous glands
true
The insertion of a muscle is attached to the more movable structure.
true
The sublingual gland is lingual to the mandibular canine
true
The uvula is a paired muscle
true
The mandible is elevated by each of the following EXCEPT one. Which one is the EXCEPTION?
Geniohyoid
Each of the following minor salivary glands is located on the tongue EXCEPT one. Which one is the EXCEPTION
Glossopalatine
Which gland is located in the area of the anterior tonsillar pillar
Glossopalatine
Each of the following cranial nerves has sensory function EXCEPT one. Which one is the EXCEPTION?
Hypoglossal
The nasopalatine nerve leaves the nasal cavity through which foramen?
Incisive
Each of the following is true about the uvula EXCEPT one. Which one is the EXCEPTION?
It is a tubercle located within the soft palate.
Each of the following is true of the parotid gland EXCEPT one. Which one is the EXCEPTION?
It is located within the mental foramen
Which muscle originates from the lower rim of the orbit
Levator labii superioris
The infraorbital nerve supplies sensation to each of the following EXCEPT one. Which one is the EXCEPTION
Maxillary lingual gingiva
The floor of the mouth is formed by which muscle?
Mylohyoid
Sensation to the maxillary labial gingiva is supplied by the nasopalatine nerve because this nerve branches off the infraorbital as it travels to supply the maxillary anterior teeth.
NEITHER the statement NOR the reason is correct
The orbicularis oris is probably the most important muscle of the mouth because in addition to its role in forming facial expressions, this muscle is also referred to as an accessory muscle of mastication.
NEITHER the statement NOR the reason is correct.
Which muscle compresses the lips
Orbicularis oris
Which of the following cannot easily be palpated
Retropharyngeal
Which of the following cannot easily be palpated?
Retropharyngeal
The facial nerve innervates each of the following structures EXCEPT one. Which one is the EXCEPTION?
Soft palate
Which salivary gland can be palpated below the inferior border of the mandible
Submandibular
Which salivary gland can be palpated below the inferior border of the mandible?
Submandibular
Which muscle of mastication fans out widely at its origin
Temporal
All muscles of mastication insert into the disk of the TMJ. Blood supply to these muscles comes from the maxillary artery, which is a branch of the carotid
The first statement is false; the second statement is true
During speech the soft palate moves both forward and backward. The backward movement is accomplished by the levator veli palatini
The first statement is false; the second statement is true
Infections at the apices of teeth cause swelling either mesial or distal to the involved tooth. A swelling of apical origin occurring in the vestibule is sometimes called a gumboil.
The first statement is false; the second statement is true
Muscles of the oral pharynx seal off the nasal cavity from the oral cavity. This action also narrows the space between the two palatine tonsils
The first statement is false; the second statement is true
The dilator naris raises the nostrils. This muscle causes the nostrils to flare or dilate
The first statement is false; the second statement is true
The masseter muscle is probably the most powerful of muscles of suprahyoid group. When the masseter contracts, it elevates the mandible, which closes the mouth
The first statement is false; the second statement is true
The mentalis muscle fibers originate in the mental foramen. These fibers terminate by inserting into the skin of the chin
The first statement is false; the second statement is true.
The mylohyoid muscle originates from the mylohyoid line on the medial surface of each side of the maxilla. The left and right muscles fuse into what is known as a raphe
The first statement is false; the second statement is true.
From the aorta, blood flows through the thorax. In the thorax, the aorta ends as common paired iliac arteries.
The first statement is true; the second statement is false
Hyoid muscles located above the hyoid bone are called suprahyoid muscles. When contracted, most muscles of this group elevate the mandible.
The first statement is true; the second statement is false
Pharyngeal elevator muscles elevate and dilate the pharynx. These actions are necessary to prevent food from entering the esophagus
The first statement is true; the second statement is false
The common carotid artery divides into the external and internal arteries. The division occurs at the hyoid bone
The first statement is true; the second statement is false
The common carotid artery divides into the external and internal arteries. The division occurs at the hyoid bone.
The first statement is true; the second statement is false
The larynx moves up and down during swallowing. The thyrohyoid muscle pulls the larynx down
The first statement is true; the second statement is false
The mandibular third molars drain into the upper deep cervical nodes. These nodes drain into the retropharyngeal nodes located behind the throat wall
The first statement is true; the second statement is false
The parasympathetic nervous system controls salivary secretions. It also controls blood flow to the salivary glands.
The first statement is true; the second statement is false
Lymph nodes are grouped together into small clusters. The clusters are interconnected by connective tissue.
The first statement is true; the second statement is false.
The external carotid artery has numerous branches that supply the head and neck area with blood. The ascending pharyngeal artery is a branch within the anterior branch
The first statement is true; the second statement is false.
The levator veli palatini elevates the posterior end of the soft palate. It joins the tensor veli palatini in tensing the soft palate
The first statement is true; the second statement is false.
The maxillary artery has branches that supply all of the maxillary and mandibular teeth. It also supplies the tongue and floor of the mouth.
The first statement is true; the second statement is false.
The posterior faucial pillar is formed by the palatopharyngeal muscle. When constricted, it depresses the pharynx and elevates the larynx.
The first statement is true; the second statement is false.
The submandibular gland is located below and toward the posterior part of the body of the mandible. It can be palpated in the chin beneath the mandibular molars
The first statement is true; the second statement is false.
Each of the following statements is true of the maxillary artery EXCEPT one. Which one is the EXCEPTION
The maxillary artery has about 5 branches
Each of the following statements is true of the maxillary artery EXCEPT one. Which one is the EXCEPTION?
The maxillary artery has about 5 branches
The facial nerve innervates muscles of facial expression and mastication. The facial nerve is the fifth cranial nerve.
Both statements are false
The glossopalatine glands are located in the hard palate posterior to the rugae. They are purely serous glands.
Both statements are false
The labial glands are primarily located on the labial gingiva. These purely serous glands provide watery lubrication for all labial areas.
Both statements are false
The minor salivary glands produce enough saliva to mix with food. They are smaller than the major salivary glands but have longer ducts
Both statements are false
The pharynx has four components. The laryngeal pharynx is a middle component of the pharynx
Both statements are false
The pharynx has four components. The laryngeal pharynx is a middle component of the pharynx.
Both statements are false
The external jugular vein drains most of the facial area. Blood from the facial area passes out of the skull through the mental foramen
Both statements are false.
Involuntary contraction and spasms of the sternomastoid and trapezius muscles can be caused by migraine headaches. Some malocclusions can also cause such spasms.
Both statements are true
Innervation to the digastric muscle is unusual because it has two nerves supplying it
Both the statement and the reason are correct and related
Lymph nodes fighting an infection become enlarged and tender because lymphocytes within the node have begun multiplying and combating infection
Both the statement and the reason are correct and related.
Which muscle plays a role in mastication?
Buccinator
Which is NOT a location for minor salivary glands?
All of the above are locations.
The maxillary anterior teeth are supplied by which branch of the maxillary artery?
Anterior superior alveolar
