Question 1

What is the function of the temporomandibular ligament?

Accepted Answer

A) Limits mandibular elevation 
B) Limits mandibular protrusion 
C) Limits mandibular lateral excursion 
D) Limits mandibular depression 
A) Limits mandibular elevation 
B) Limits mandibular protrusion 
C) Limits mandibular lateral excursion 
D) Limits mandibular depression D

Question 2

What are the attachments of the disc located in the temporomandibular joint?

Accepted Answer

A) Anterior to joint capsule and lateral pterygoid muscle, posterior to connective tissue 
B) Lateral to lateral pterygoid muscle, medial to medial pterygoid muscle 
C) Anterior to joint capsule and medial pterygoid muscle, posterior to connective tissue 
D) Lateral to joint capsule, medial to connective tissue 
A) Anterior to joint capsule and lateral pterygoid muscle, posterior to connective tissue 
B) Lateral to lateral pterygoid muscle, medial to medial pterygoid muscle 
C) Anterior to joint capsule and medial pterygoid muscle, posterior to connective tissue 
D) Lateral to joint capsule, medial to connective tissue A

Question 3

Which of the following statements BEST describes how the temporomandibular joint surface is different from other synovial joints in the body?

Accepted Answer

A) Joint surface covered with hyaline cartilage that resists repetitive stresses and can repair itself 
B) Joint surface covered with hyaline cartilage that undergoes stress and cannot repair itself 
C) Joint surface covered with dense fibrocartilage that resists repetitive stresses and can repair itself 
D) Joint surface covered with dense fibrocartilage that undergoes stress and cannot repair itself 
A) Joint surface covered with hyaline cartilage that resists repetitive stresses and can repair itself 
B) Joint surface covered with hyaline cartilage that undergoes stress and cannot repair itself 
C) Joint surface covered with dense fibrocartilage that resists repetitive stresses and can repair itself 
D) Joint surface covered with dense fibrocartilage that undergoes stress and cannot repair itself C

Question 4

Which of the following muscle groups contracts to elevate the temporomandibular joint?

Accepted Answer

A) Concentric contraction of bilateral digastric and inferior lateral pterygoid muscles 
B) Bilateral contraction of masseter and medial and lateral pterygoid muscles 
C) Concentric contraction of bilateral masseter, temporalis, and medial pterygoid muscles 
D) Bilateral contraction of posterior fibers of the temporalis muscle and anterior portion of digastric muscle 
A) Concentric contraction of bilateral digastric and inferior lateral pterygoid muscles 
B) Bilateral contraction of masseter and medial and lateral pterygoid muscles 
C) Concentric contraction of bilateral masseter, temporalis, and medial pterygoid muscles 
D) Bilateral contraction of posterior fibers of the temporalis muscle and anterior portion of digastric muscle

Question 5

What is the typical range of motion for mandibular depression?

Accepted Answer

A) 10-20 mm 
B) 40-50 mm 
C) 20-30 mm 
D) 50-100 mm 
A) 10-20 mm 
B) 40-50 mm 
C) 20-30 mm 
D) 50-100 mm

Question 6

In what plane and axis does mandibular elevation and depression occur?

Accepted Answer

A) Sagittal plane around a medial-lateral (frontal) axis 
B) Transverse plane around a vertical axis 
C) Frontal plane around a sagittal axis 
D) Transverse plane around a medial-lateral (frontal) axis 
A) Sagittal plane around a medial-lateral (frontal) axis 
B) Transverse plane around a vertical axis 
C) Frontal plane around a sagittal axis 
D) Transverse plane around a medial-lateral (frontal) axis

Question 7

Which of the following muscle groups contracts to protrude the temporomandibular joint?

Accepted Answer

A) Concentric contraction of bilateral digastric and inferior lateral pterygoid muscles 
B) Bilateral contraction of masseter and medial and lateral pterygoid muscles 
C) Concentric contraction of bilateral masseter, temporalis, and medial pterygoid muscles 
D) Bilateral contraction of posterior fibers of the temporalis muscle and anterior portion of digastric muscle 
A) Concentric contraction of bilateral digastric and inferior lateral pterygoid muscles 
B) Bilateral contraction of masseter and medial and lateral pterygoid muscles 
C) Concentric contraction of bilateral masseter, temporalis, and medial pterygoid muscles 
D) Bilateral contraction of posterior fibers of the temporalis muscle and anterior portion of digastric muscle

Question 8

What is the typical range of motion for mandibular lateral excursion?

Accepted Answer

A) 1-5 mm 
B) 8-11 mm 
C) 15-20 mm 
D) 30-40 mm 
A) 1-5 mm 
B) 8-11 mm 
C) 15-20 mm 
D) 30-40 mm

Question 9

What arthrokinematics occur during mandibular depression?

Accepted Answer

A) Condyles roll posteriorly, and condyles and disc glide anteriorly 
B) Condyles roll anteriorly, and condyles and disc glide posteriorly 
C) Condyles roll anteriorly, and condyles and disc glide anteriorly 
D) Condyles roll posteriorly, and condyles and disc glide posteriorly 
A) Condyles roll posteriorly, and condyles and disc glide anteriorly 
B) Condyles roll anteriorly, and condyles and disc glide posteriorly 
C) Condyles roll anteriorly, and condyles and disc glide anteriorly 
D) Condyles roll posteriorly, and condyles and disc glide posteriorly

Question 10

What arthrokinematics occur during mandibular protrusion?

Accepted Answer

A) Disc-condyle complex glides anteriorly 
B) Condyles roll anteriorly, and condyles and disc glide posteriorly 
C) Disc-condyle complex glides posteriorly 
D) Condyles roll posteriorly, and condyles and disc glide anteriorly 
A) Disc-condyle complex glides anteriorly 
B) Condyles roll anteriorly, and condyles and disc glide posteriorly 
C) Disc-condyle complex glides posteriorly 
D) Condyles roll posteriorly, and condyles and disc glide anteriorly

Question 11

What are the primary muscles of mastication?

Accepted Answer

A) Masseter, anterior and posterior portions of the digastric muscle 
B) Suprahyoid muscle group, masseter 
C) Temporalis, masseter, medial and lateral pterygoids 
D) Masseter, digastric, medial and lateral pterygoids 
A) Masseter, anterior and posterior portions of the digastric muscle 
B) Suprahyoid muscle group, masseter 
C) Temporalis, masseter, medial and lateral pterygoids 
D) Masseter, digastric, medial and lateral pterygoids

Question 12

What are the cardinal signs of temporomandibular joint dysfunction?

Accepted Answer

A) Joint pain, noise, limited range of motion 
B) Joint swelling, pain 
C) Joint pain, muscle weakness 
D) Joint pain, bruising, limited range of motion 
A) Joint pain, noise, limited range of motion 
B) Joint swelling, pain 
C) Joint pain, muscle weakness 
D) Joint pain, bruising, limited range of motion

Question 13

Which of the following statements BEST describes the function of the temporomandibular joint disc?

Accepted Answer

A) The upper surface and temporal bone form a hinge joint 
B) Increases joint stability, decreases joint stress 
C) The lower surface and mandibular condyle function as a gliding joint 
D) Is able to repair itself when injured 
A) The upper surface and temporal bone form a hinge joint 
B) Increases joint stability, decreases joint stress 
C) The lower surface and mandibular condyle function as a gliding joint 
D) Is able to repair itself when injured

What is the function of the temporomandibular ligament?

What are the attachments of the disc located in the temporomandibular joint?

Which of the following statements BEST describes how the temporomandibular joint surface is different from other synovial joints in the body?

Which of the following muscle groups contracts to elevate the temporomandibular joint?

What is the typical range of motion for mandibular depression?

In what plane and axis does mandibular elevation and depression occur?

Which of the following muscle groups contracts to protrude the temporomandibular joint?

What is the typical range of motion for mandibular lateral excursion?

What arthrokinematics occur during mandibular depression?

What arthrokinematics occur during mandibular protrusion?

What are the primary muscles of mastication?

What are the cardinal signs of temporomandibular joint dysfunction?

Which of the following statements BEST describes the function of the temporomandibular joint disc?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Structure and Function of Muscles

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Wrist and Hand Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

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Exam 7: Structure and Function of the Temporomandibular Joint

What is the function of the temporomandibular ligament?

What are the attachments of the disc located in the temporomandibular joint?

Which of the following statements BEST describes how the temporomandibular joint surface is different from other synovial joints in the body?

Which of the following muscle groups contracts to elevate the temporomandibular joint?

What is the typical range of motion for mandibular depression?

In what plane and axis does mandibular elevation and depression occur?

Which of the following muscle groups contracts to protrude the temporomandibular joint?

What is the typical range of motion for mandibular lateral excursion?

What arthrokinematics occur during mandibular depression?

What arthrokinematics occur during mandibular protrusion?

What are the primary muscles of mastication?

What are the cardinal signs of temporomandibular joint dysfunction?

Which of the following statements BEST describes the function of the temporomandibular joint disc?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Structure and Function of Muscles

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Wrist and Hand Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

Filters