Download SG DSO104A0 0199 PE-A-4-1 PRACTICAL EXERCISE

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PRACTICAL EXERCISE
Head Anatomy and Physiology
Complete the following practical exercise and check your answers
with the answer key at the end of the exercise. If you
incorrectly answered any of the items, review that part of the
lesson again.
1. Which cranial bone forms the forehead, part of the floor of
the cranium, and most of the orbits?
2.
a.
Parietal.
b.
Frontal.
c.
Temporal.
d.
Occipital.
Which cranial bone does the spinal cord pass through?
a.
Sphenoid.
b.
Ethmoid.
c.
Occipital.
d.
Frontal.
3. Which cranial bone forms the anterior of the base of the
skull?
a.
Occipital.
b.
Parietal.
c.
Ethmoid.
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d.
Sphenoid.
4. Which cranial bone contains honeycomb like spaces and forms
part of the floor of the cranium, the orbit, and the nasal
cavity?
a.
Sphenoid.
b.
Frontal.
c.
Ethmoid.
d.
Parietal.
5. Which cranial bone forms most of the roof and upper sides
of the skull.
a.
Occipital.
b.
Parietal.
c.
Sphenoid.
d.
Temporal.
6. Which cranial bone forms the sides and base of the cranium
and encloses each ear?
a.
Temporal.
b.
Frontal.
c.
Occipital.
d.
Sphenoid.
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7. Which facial bones make up part of the inner angle of the
eye?
a.
Nasal.
b.
Inferior Nasal Conchae.
c.
Lacrimal.
d.
Mandible.
8. Which facial bone forms the lower jaw and is the longest
and strongest bone of the face?
a.
Palatine.
b.
Zygoma.
c.
Vomer.
d.
Mandible.
9. Which facial bone forms the prominence of the cheek and the
lateral wall and floor of the orbit?
10.
a.
Zygoma.
b.
Inferior Nasal Conchae.
c.
Lacrimal.
d.
Vomer.
Which facial bone forms the base for the nasal septum?
a.
Vomer.
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b.
Mandible.
c.
Vomer.
d.
Nasal.
11. Which facial bone is scroll like and forms the lower part
of the interior of the nose?
a.
Mandible.
b.
Inferior Nasal Conchae.
c.
Hyoid.
d.
Palatine.
12. Which facial bone functions to support the tongue and other
muscles?
a.
Hyoid.
b.
Maxillae.
c.
Zygoma.
d.
Palatine.
13. Where is the Temporomandibular Joint (TMJ) located and what
is its function?
___________________________________________________________
___________________________________________________________
___________________________________________________________
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14.
What are the muscles of mastication used for?
___________________________________________________________
15.
What is the function of the temporal muscle?
___________________________________________________________
16.
What is the function of the masseter muscle?
___________________________________________________________
17.
The internal ptergyoid muscle _____________ the jaw.
18. The external ptergyoid muscle aids in opening the
__________
and restoring the teeth to ______________.
19. The internal and external ptergyoid muscles together act to
__________ __________ __________.
ANSWER KEY
1.
b.
2.
c.
3.
d.
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4.
c.
5.
b.
6.
a.
7.
c.
8.
d.
9.
a.
10.
a.
11.
b.
12.
a.
13. It is located between the temporal bone and the mandible
and functions entirely in unison to permit specialized hinge and
glide movements.
14. It is used for the purpose of opening and closing the
mouth.
15.
It raises the mandible and closes the jaw.
16.
It raises the mandible and closes the teeth.
17.
closes.
18.
mouth, occlusion.
19.
protrude the mandible.
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