Review Questions Flashcards
The term used to describe structures located toward the surface of the body is:
Superficial
The term that describes a window-like opening in the bone is:
Foramen
Each of the following bones are cranial bones EXCEPT one. Which is the EXCEPTION?
Zygomatic bone
The horizontal plates of the palatine bones articulate with each other to form the posterior portion of the hard palate. An important landmark for the administration of local anesthesia found here is:
Greater palatine foramen
The sphenoid bone is important to dental professionals because it has processes that serve as part of the attachment for two of the four pairs of the muscles of mastication. The sphenoid bone also has formina that are the passageway for important nerves and blood vessels of the head and neck. What is the truth value of these statements?
Both statements are TRUE
The paired hypoglossal canals that are openings for cranial nerve XII (hypoglossal nerve) are formed by which of the following?
Occipital bone
Cranial Nerve VII, or the facial nerve, exits the skull through the:
c. Internal acoustic meatus
All of the following features are located on the temporal bone EXCEPT one. Which is the EXCEPTION?
a. Pterygoid process
The maxillary tuberosity is a landmark for the administration of local anesthesia to which of the following?
d. Posterior superior alveolar nerve
Which of the following landmarks is used to locate the hyoid bone?
a. Thyroid cartilage
All of the following paranasal sinuses drain into the middle meatus of the nasal cavity EXCEPT one. Which one is the EXCEPTION?
a. Posterior ethmoidal sinuses
The origin of muscle is a fixed attachment. The insertion of muscle is a less moveable structure.
a. Both statements are TRUE
Difficulty in accessing the lower anterior teeth during instrumentation is caused by contraction of which of the following muscles?
a. Mentalis muscle
The muscle of facial expression that assists the muscles of mastication during chewing is the
c. Buccinator muscle
Each of the following is a muscle of mastication EXCEPT one. Which one is the EXCEPTION?
Buccinator muscle
Contraction of both sternocleidomastoid muscles causes which of the following?
Head to flex at the neck
Which of the following muscles originates partially from the maxillary tuberosity?
Medial pterygoid muscle
The only muscle of mastication that depresses the mandible or opens the mouth is which of the following?
Lateral pterygoid muscle
All the following are suprahyoid muscles EXCEPT one. Which one is the EXCEPTION?
Thyrohyoid muscle
Deviation of the mandible to one side during protrusion is caused by which of the following?
Contraction of one lateral pterygoid muscle
The muscles of facial expression are innervated by
Cranial Nerve VII, facial nerve
The intrinsic muscles of the tongue originate and insert inside the tongue while the extrinsic muscles originate elsewhere and insert inside the tongue. Both extrinsic and intrinsic muscles are innervated by the hypoglossal nerve.
Both statements are TRUE
Which one of the following structures prevents posterior and inferior displacement of the mandible?
TMJ ligament
The posterior superior alveolar artery supplies blood to?
Maxillary posterior teeth and periodontium, and maxillary sinus
All of the following are branches of the facial artery EXCEPT one. Which one is the EXCEPTION?
Lingual artery
Which of the following veins is formed by the merger of the maxillary vein and the superficial temporal vein?
Retromandibular vein
The pterygoid plexus of veins is of clinical importance for all of the following reasons EXCEPT one. Which one is the EXCEPTION?
Connections of the plexus drain into the superior vena cava, directly to the heart
During an extraoral examination of a patient, the dental hygienist notes lymphadenopathy beneath the chin near the midline. Which one of the following lymph nodes is involved?
Submental nodes
All of the following are endocrine glands EXCEPT one. Which one is the EXCEPTION?
Parotid gland
The parotid salivary glands empty through which duct?
Stensen duct
What is an exocrine gland?
An exocrine gland is a gland having a duct associated with it that allows secretions to be emptied directly into the location where the secretion is to be used.
What is an endocrine gland?
An endocrine gland is a ductless gland, with secretion being poured directly into the blood.
Both statements about exocrine and endocrine glands are TRUE or FALSE?
The first statement is TRUE; the second statement is FALSE
The minor salivary glands associated with the circumvallate lingual papillae are:
Ebner’s salivary glands
What is a sensory nerve that carries information from the body to the brain or spinal cord called?
Afferent nerve
Which one of the following cranial nerves is the largest?
Fifth cranial nerve
Which cranial nerve does NOT supply innervation for eye movement?
Cranial Nerve I
What are the three divisions or branches of the trigeminal nerve?
Ophthalmic nerve, maxillary nerve, mandibular nerve
Which nerves supply the muscles of mastication and facial expression?
The muscles of mastication are supplied by the trigeminal nerve. The muscles of facial expression are supplied by the facial nerve.
Both statements about the supply of muscles of mastication and facial expression are TRUE or FALSE?
Both statements are TRUE
What supplies the muscles of mastication?
The trigeminal nerve.
What supplies the muscles of facial expression?
The facial nerve.
Are the statements about the muscles of mastication and facial expression true or false?
Both statements are TRUE.
Which cranial nerve serves structures outside the head and neck?
Vagus nerve.
What does the infraorbital nerve innervate?
Skin of the lower eyelid, medial portion of the cheek, side of the nose, upper lip.
Which nerve innervates the parotid salivary gland?
Glossopharyngeal nerve CN IX.
Which nerve supplies taste sensation on the anterior one-third of the tongue?
Facial nerve.
Which division of the trigeminal nerve contains both afferent and efferent components?
Mandibular nerve.
Which of the following cells is responsible for the majority of bone resorption in the remodeling process?
Osteoclast
Which lymph nodes are involved when lymphadenopathy is noted along the neck approximately 2 inches below the ear?
Inferior deep cervical nodes
Which muscle of mastication is the EXCEPTION that does not elevate the mandible?
Lateral pterygoid
What describes the movement of the temporomandibular joint (TMJ)?
Hinge movement followed by gliding movement
Which cranial nerve is responsible for the patient’s loss of taste on the back of the tongue?
Glossopharyngeal nerve
To achieve anesthesia of the maxillary first molar, which two nerves may need to be targeted?
Middle superior alveolar nerve and posterior superior alveolar nerve
After administering local anesthesia to the maxillary right quadrant, which nerve should the dental hygienist anesthetize to keep the patient comfortable?
Greater palatine nerve
Which sinus could become infected due to the patient’s seasonal allergies and cause discomfort with the maxillary posterior teeth?
Maxillary
