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A comprehensive review of orofacial anatomy and physiology, covering key structures, muscles, and landmarks. It includes multiple-choice questions with answers, designed to help students prepare for a midterm exam. The questions cover a wide range of topics, including the temporomandibular joint (tmj), muscles of mastication, bones of the skull and face, and related structures. This resource is valuable for students studying dentistry, anatomy, or related fields.
Typology: Exams
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Which muscle pair is an intrinsic tongue muscle? - ANSWERS-Superior Longitudinal
Which feature is located on the temporal bone? - ANSWERS-External acoustic meatus
What bone does the coronal suture articulate? - ANSWERS-Parietal Bone, Frontal Bone
What is the posterior projection that articulates with the condyle and part of the temporal bone? - ANSWERS-Postglenoid process
When looking on a panoramic film which landmark is radiolucent in the mandibular premolar area? - ANSWERS-Mental foramen
Which list is in order of location from the MOST anterior structure to the MOST posterior structure as found within the TMJ? - ANSWERS-1. Articular eminence
Trismus - ANSWERS-reduced opening
Which of the following statements about the TMJ disc is INCORRECT? - ANSWERS-Disc is attached anteriorly and posteriorly to the condyle
What position does a displaced joint disc of the TMJ usually lie? - ANSWERS- Anterior to its usual position
Opening of the mandible cause this action - ANSWERS-Depression and protrusion
Which of the following landmarks associated with the TMJ is located DIRECTLY on the mandible - ANSWERS-Condyle
Which structure of the TMJ secretes synovial fluid? - ANSWERS-Inner capsule lining membranes
Which of the following is located posterior to the articular fossa within the region of the TMJ? - ANSWERS-Postglenoid Process
Which of the following landmarks is located upon the temporal bone? - ANSWERS-Articular Fossa
Which of the following muscles is involved in the lateral deviation of the mandible? - ANSWERS-Lateral Pterygoid Muscle
The muscle along the side of the neck that we palpate for anterior and posterior cervical node is..... - ANSWERS-sternocleoidmastoid
Muscles of mastication - ANSWERS-temporalis, masseter, lateral pterygoid, medial pterygoid
Muscle that compresses the cheeks while chewing and aids in pushing our food posterior? - ANSWERS-Buccinator
True or False:
Geniohyoid, stylohyoid, and omohyoid muscles insert on the hyoid bone not including the sternothyroid muscle. - ANSWERS-True
Which muscle is used when a client places their lips around a straw? - ANSWERS-Orbicularis oris
The origin of a muscle is considered to be...... - ANSWERS-the muscle end that is attached to the least movable structure
Which muscle forms the floor of the mouth? - ANSWERS-mylohyoid
Which muscle is an extrinsic tongue muscle? - ANSWERS-Geniohyoid
which muscle group serves to depress the hyoid bone? - ANSWERS-infrahyoid muscle
The origin of the frontal belly of the epicranial muscle and the insertion of its occipital belly are BOTH at the..... - ANSWERS-Epicranial Aponeurosis
Which muscle is used when a client grimaces? - ANSWERS-Risorius
True or False?
A muscle moves from insertion to origin? - ANSWERS-True
Which muscle causes us to frown? - ANSWERS-Depressor anguli oris
Which landmark is distal to the most posterior mandibular molar? - ANSWERS- retromolar triangle/pad
True or False?
The occipital condyle articulates with the axis? - ANSWERS-False
Which landmark on the skull allows for passage of the spinal cord? - ANSWERS- Formen magnum
Which of the following structure is a large roughened projection related to the petrous part of the temporal bone - ANSWERS-Mastoid process
Which foramen lies on the lateral borders of the vertebrae for blood vessels? - ANSWERS-Transverse foramen
True or False:
The median palatine suture is posterior to the incisive foramen, and at the midline of the palate. - ANSWERS-True
The cervical bone the hyoid has these features: - ANSWERS-attaches to muscle, lesser cornu, greater cornu, floats
Which of the following bony plates is perforated to allow passage of the olfactory nerves for sense of smell? - ANSWERS-Cribiform plate of ethmoid
The lacrimal gland is located just inside the lateral part of the..... - ANSWERS- Supraorbital rim
The flat vertical plate of the mandible is called? - ANSWERS-Ramus
On the vertebrae what foramen runs in the middle? - ANSWERS-Vertebral foramen
What suture articulates with the parietal and occipital bone? - ANSWERS- Lambdoidal Suture
Which fossa does the mandibular condyle articulates with? Which is part of the temporal bone along with the articular eminence and postglenoid process. - ANSWERS-Articular Fossa
The opening in the mental area of the mandible is known as? - ANSWERS- Mental foramen
Which of the following features is located on the temporal bone? - ANSWERS- external acoustic meatus
Which part of the temporal bone is the external acoustic meatus? - ANSWERS- Tympanic part
The suture that articulates with the temporal bone and looks fan-shaped. - ANSWERS-Squamous suture
Which nasal conchae are visible in the nasal aperature - ANSWERS-1. Inferior nasal conchae
Which vertebrae has the dens? - ANSWERS-Axis
Which of the following structures forms the floor of each maxillary sinus? - ANSWERS-Alveolar process of the maxilla
Which part of the temporal bone is involved in the TMJ? - ANSWERS-Squamous