chapter 4

Question 1

This is the articulation of the two PARIETAL bones in the median plane of the skull?

Answer 1

Sagittal suture

Question 2

This is the articulation of the parietal bones with FRONTAL bone?

Answer 2

Frontal (coronal) suture

Question 3

This is the articulation of the parietal cones with the OCCIPITAL bone?

Answer 3

Lambdoid suture

Question 4

THis is the articulation of the parietal and TEMPORAL bones. There are no ligaments or movements at any of these joints?

Answer 4

Squamous suture

Question 5

Which of the following cranial sutures separates the occipital and parietal bones?
a) squamous suture
b) Sagittal suture
c) Coronal Suture
d) Lambdoid suture

Answer 5

D) lambdoid suture

Question 6

What are the bony surfaces on the skull?

Answer 6

1) Mandibular fossa of the temporal bone
2) Head (condyloid process) of the mandible

Question 7

There is one prominent intraaticular ligament called the?

Answer 7

Articular Disc

Question 8

This is an oval plate of fibrous tissue that sometimes contains patches of fibrocartilage?

Answer 8

Articular disc

Question 9

What are the 2 compartments of the temporomandibular joint?

Answer 9

1) The superior compartment
2) Interior compartment

Question 10

What divides the joint cavity into 2 separate compartments of the TMJ?

Answer 10

articular disc

Question 11

What is located between the articular disc and the mandibular FOSSA?

Answer 11

The superior compartment

Question 12

What is located between the articular disc and the MANDIBLE?

Answer 12

Interior compartment

Question 13

What are the movements of the mandible at the TMJ?

Answer 13

1) Hinge Movement
2) Planar Movement

Question 14

What are the types of Hinge movements?

Answer 14

1) Depression
2) Elevation

Question 15

What is the inferior movement of the mandible (open the mouth) called?

Answer 15

Depression

Question 16

What is the superior movement of mandible called?

Answer 16

Elevation

Question 17

What are the types of Planar movements?

Answer 17

1) Protraction
2) retraction
3) Lateral movement

Question 18

What is anterior movement of mandible in a horizontal plane called?

Answer 18

planar movement

Question 19

What is posterior movement of mandible in a horizontal plane?

Answer 19

Retraction

Question 20

What is side to side movement (grinding) called?

Answer 20

Lateral movement

Question 21

How many major unossified membranous areas between the cranial bones?

Answer 21

6

Question 22

The 6 major unossified membranous areas between the cranial bones are called?

Answer 22

FONTANELLES

Question 23

What are the types of FONTANELLES?

Answer 23

1) Anterior fontanelle
2) Posterior fontanelle
3) anterolateral (sphenoid fontanelle)
4) Posterolateral (mastoid fontanelle)

Question 24

This is the LARGEST of the fontanelles located at the junction of the coronal and sagittal sutures. In adults, this lies at the junction of the bregma. What is this?

Answer 24

Anterior Fontanelle

Question 25

This is a triangle fontanelle located at the junction of the lambdoid and sagittal sutures. In adults, this lies at the location of the lambda

Answer 25

Posterior Fontanelle

Question 26

These are small irregular fontanelles located at the junction of the frontal, parietal, sphenoid and temporal bones?

Answer 26

Anterolateral (sphenoid) Fontanelle

Question 27

These are small irregular fontanelles located at the junction of the occipital, parietal and temporal bones?

Answer 27

Posterolateral (mastoid) fontanelle

Question 28

What are the names of two structures in the adults skull located where the anterior and posterior fontanelles had been?

Answer 28

In the adult skull, the BREGMA is located where the anterior fontanellle had been at birth, and the LAMBDA is located where posterior fontanelle had been

Question 29

The anterior fontanelle is useful in determining:

Answer 29

1) The position of the fetal head in utero 2) The development of the skull 3) Unlike the other fontanelle becomes bony at 2 years of age 4) in babies this is called the SOFT SPOT

Question 30

Question 1) Which is not correct? a) The sagittal suture is the articulation of the two parietal bones in the median plane of the skull b) The squamous suture is the articulation of the parietal and frontal bones c) The frontal (coronal) suture is the articulation of the parietal bones with the frontal bone d) The lambdoid suture is the articulation of the parietal bones with the occipital bone

Answer 30

b) the squamous suture is the articulation of the parietal and frontal bones

Question 31

Question 2) Which is correct? a) The coronoid process of the mandible and the mandibular fossa of the parietal bone are the bony surfaces of the temporomandibular joint b) Depression and elevation are both hinge movements c) Protraction is side-to-side movement (grinding) d) The articular disc divides the joint cavity into five separate compartments

Answer 31

b) depression and elevation are both hinge movements

Question 32

Question 3) Which is not correct? a) The anterior fontanelle is useful to a physician for checking the development of the skull b) The anterior fontanelle is the largest of the fontanelles c) There are only 3 membranous areas between the cranial bones called fontanelles d) The bones of the fetal skull are not completely ossified after birth

Answer 32

c) There are only 3 membranous areas between the cranial bones called fontanelles

Question 33

Question 4) Which is correct? a) Posterolateral fontanelles are small irregular fontanelles located at the junction of the occipital, parietal and temporal bones b) The posterior fontanelles is located at the junction of the coronal and sagittal sutures c) The anterior fontanelle is located at the junction of the lambdoid and sagittal sutures d) Anterolateral fontanelles are small irregular fontanelles located at the junction of the lambdoid and sagittal sutures

Answer 33

a) posterolateral fontanelles are small irregular fontanelles located at the junction of the occipital, parietal and temporal bones

Question 34

Question 5) Planar movement of the temporomandibular joint include all of the following except: a) Lateral movement b) Retraction c) Depression d) protraction

Answer 34

c) depression