Title: Quiz 10
Course: DEH 2400 Oral Pathology > Section: Module 10 Temporomandibular Joint Dysfunction

Q: An open lock that the patient cannot reduce is called:
- subluxation.
- dislocation.
- ankylosis.
- myofascial pain.
A: dislocation.

Q: Which type of dental radiography is best for examining disk position, function, form, and the presence of joint effusions?
- Panoramic imaging
- Transcranial imaging
- Computerized tomography (CT)
- Magnetic resonance imaging (MRI)
A: Magnetic resonance imaging (MRI)

Q: The purpose of the synovial fluid is to:
- provide nourishment and lubrication.
- divide the space into upper and lower compartments.
- govern mandibular movement.
- separate forces resulting from movement.
A: provide nourishment and lubrication.

Q: Which of the following statements is characteristic of a patient with osteoarthritis?
- It is characterized by pain that is worse in the morning.
- It is characterized by pain that is worse in the evening.
- It is an inflammatory, autoimmune disorder of the joints.
- Approximately 50% to 75% of patients have involvement of the temporomandibular joint during the course of the disease.
A: It is characterized by pain that is worse in the evening.

Q: During opening of the jaw:
- rotational movement precedes translation.
- rotational movement follows translation.
- there is only rotational movement; translation occurs only during closure.
- there is only translational movement; rotation occurs only during closure.
A: rotational movement precedes translation.

Q: Which of the following statements about the articular disk in the temporomandibular joint is true?
- It is attached to the anterior and posterior aspects of the condyle.
- It is attached to the inferior belly of the medial pterygoid muscle.
- The disk is highly vascular.
- The disk is surrounded and protected by the fibrous connective tissue joint capsule.
A: The disk is surrounded and protected by the fibrous connective tissue joint capsule.

Q: Clicking and popping most commonly reflect:
- parafunctional habits such as bruxism and clenching.
- disk displacement with reduction.
- malocclusion.
- trismus.
A: disk displacement with reduction.

Q: Which of the following choices represents an indirect form of trauma affecting the temporomandibular joint?
- Clenching, bruxism
- Whiplash injury
- Psychosocial factors
- Osteoarthritis
A: Whiplash injury

Q: All of the following are benign tumors that arise in the condyle except one. Which one is the exception?
- Osteoblastoma
- Synovial chondromatosis
- Osteoma
- Chondroblastoma
A: Synovial chondromatosis

Q: Caution is recommended with long-term use of nonsteroidal antiinflammatory drugs (NSAIDs) because of what type of complications?
- Gastrointestinal
- Cardiovascular
- Psychiatric
- Arthritis
A: Cardiovascular

Q: Hypermobility in which the patient is able to relocate the mandible back into the glenoid fossa is referred to as:
- subluxation.
- dislocation.
- ankylosis.
- myofascial pain.
A: subluxation.

Q: Which type of dental radiography is best for identifying bone abnormalities such as osteophytes, condylar erosion, fractures, ankylosis, and condylar hyperplasia?
- Panoramic imaging
- Transcranial imaging
- Computerized tomography (CT)
- Magnetic resonance imaging (MRI)
A: Computerized tomography (CT)

Q: The most common systemic conditions that affect the TMJ are:
- Sjögren syndrome and scleroderma.
- rheumatoid arthritis and juvenile rheumatoid arthritis.
- gout and Reiter syndrome.
- ankylosing spondylitis and mixed connective tissue disease.
A: rheumatoid arthritis and juvenile rheumatoid arthritis.

Q: Trauma affecting the TMJ is classified as direct, indirect, and secondary to parafunctional habits. Which of the following is an example of a parafunctional habit?
- Whiplash injury
- Assault
- Surgery
- Clenching
A: Clenching

Q: Tenderness over the lateral pole of the condyle is indicative of:
- crepitus.
- capsulitis.
- trismus.
- auscultation.
A: capsulitis.