Anatomical Basis of Dentistry 3rd Edition Liebgott Test Bank All Chapters
Anatomical Basis of Dentistry 3rd Edition Liebgott Test Bank All Chapters
Anatomical Basis of Dentistry 3rd Edition Liebgott Test Bank All Chapters
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Liebgott: The Anatomical Basis of Dentistry, 3rd Edition
Chapter 6: The Skull
Test Bank
MULTIPLE CHOICE
REF: 6-167
2. All of the following are bones in the facial skeleton except the __________ bone.
a. sphenoid
b. nasal
c. lacrimal
d. vomer
e. zygomatic
ANS: A
Sphenoid. The facial skeleton consists of several irregular bones: maxillae, nasal,
zygomatic, palatine, lacrimal, inferior conchae, vomer, mandible, and hyoid. The
sphenoid bone is part of the neurocranium.
REF: 6-167
3. The bony sockets in the maxilla and mandible that support the teeth are the _________.
a. alveolar conchae
b. canine fossae
c. incisive fossae
d. zygomatic canals
e. alveolar processes
ANS: E
Alveolar processes. The alveolar processes of the maxilla and mandible are the bony
sockets that support the teeth.
REF: 6-171
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-2
REF: 6-171
5. The _______ of the mandible is a roller-shaped process that articulates with the
mandibular fossa of the temporal bone.
a. neck
b. condyle
c. body
d. coronoid process
e. mental foramen
ANS: B
Condyle. The condyle, or condylar head, of the mandible is a roller-shaped process that
articulates with the mandibular fossa.
REF: 6-173
7. The __________ is bounded posteriorly by the paramedian dorsum sellae and by two
oblique petrous temporal ridges and accommodates the hypophysis cerebri in the median
plane and the temporal lobes of the brain laterally.
a. anterior cranial fossa
b. middle cranial fossa
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-3
REF: 6-180
8. In the posterior cranial fossa, the __________ is a large, oval-shaped opening through
which the spinal cord is continuous with the brainstem above.
a. petrosal sulcus
b. clivus
c. hypoglossal canal
d. foramen magnum
e. jugular foramen
ANS: D
Foramen magnum. The foramen magnum is a large, oval-shaped opening through which
the spinal cord is continuous with the brainstem. It is in the posterior cranial fossa.
9. There are four main functional cavities in the skull. They are __________________.
a. nasal, oral, maxillary, and orbital
b. neurocranial, orbital, oral, and nasal
c. nasal, oral, paranasal, and sinus
d. sinus, nasal, neurocranial, and maxillary
e. orbital, maxillary, sinus, and neurocranial
ANS: B
Neurocranial, orbital, oral, and nasal. The four main functional cavities in the skull are
the neurocranial cavity, the orbital cavity, the oral cavity, and the nasal cavity.
REF: 6-184
10. In the neurocranium, the _________ bone contributes to the forehead, the anterior cranial
fossa, and the roof of the bony orbits.
a. occipital
b. temporal
c. sphenoid
d. parietal
e. frontal
ANS: E
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-4
Frontal. The frontal bone contributes to the entire forehead region, the anterior cranial
fossa, and the roof of the bony orbits. The parietal bone forms portions of the cranial
vault. The occipital bone forms the posteroinferior aspect of the cranial vault and the
posterior aspect of the posterior cranial fossa.
REF: 6-184
11. The _________ bone contributes to the anterior cranial fossa, the middle cranial fossa,
orbit, infratemporal roof, and roof and lateral wall of the nasal cavity. It fuses with the
occipital bone after adolescence.
a. frontal
b. temporal
c. sphenoid
d. parietal
e. ethmoid
ANS: C
Sphenoid. The sphenoid bone contributes to the anterior cranial fossa, middle cranial
fossa, orbit, infratemporal roof, roof and lateral wall of the nasal cavity, and lateral wall
of the cranial vault. It fuses with the occipital bone after adolescence.
REF: 6-193
12. The __________ bone contributes to the anterior cranial fossa; the roof, lateral wall, and
median septum of the nasal cavity; and the medial wall of the orbit.
a. sphenoid
b. occipital
c. frontal
d. ethmoid
e. temporal
ANS: D
Ethmoid. The ethmoid bone contributes to the anterior cranial fossa; the roof, lateral wall,
and median septum of the nasal cavity; and the medial wall of the orbit. The frontal bone
contributes to the entire forehead region, the anterior cranial fossa, and the roof of the
bony orbits. The occipital bone forms the posteroinferior aspect of the cranial vault and
the posterior aspect of the posterior cranial fossa.
REF: 6-197
13. The ridge of bone that peaks upward in the median plane into the anterior cranial fossa
and is attached to the falx cerebri is the _____________________________.
a. cribriform plate
b. crista galli
c. septal plate
d. uncinate process
e. superior concha
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-5
ANS: B
Crista galli. The crista galli is a ridge of bone that peaks upward from the median plane
into the anterior cranial fossa. The falx cerebri is attached to it.
REF: 6-199
14. The right and left maxillae help form all of the following except the __________.
a. upper face
b. orbital floor
c. lateral wall of the nasal cavity
d. floor of the oral cavity
e. floor of the nasal cavity
ANS: D
Floor of the oral cavity. The right and left maxillae help form the upper face, the
infratemporal region, the orbital floor, the lateral wall of the nasal cavity, the floor of the
nasal cavity, and the roof, not the floor, of the oral cavity.
REF: 6-199
15. The ________ bone(s) help form the nasal cavity (lateral wall and floor), the oral cavity
(posterior third of the hard palate), the pterygopalatine fossa, and the orbit (a portion of
the posterior wall).
a. maxillae
b. mandible
c. palatine
d. sphenoid
e. vomer
ANS: C
Palatine. The palatine bones help form the nasal cavity (lateral wall and floor), the oral
cavity (posterior third of the hard palate), the pterygopalatine fossa (medial wall), and the
orbit.
REF: 6-203
16. The palatine bone articulates with the sphenoid bone, the ethmoid bone, the vomer, the
opposite palatine bone, and the _____________________.
a. maxilla
b. temporal bone
c. occipital bone
d. parietal bone
e. mandible
ANS: A
Maxilla. The palatine bone articulates with the maxilla, the sphenoid bone, the ethmoid
bone, the vomer, the inferior concha, and the opposite palatine bone.
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-6
REF: 6-203
17. The bone that is roughly diamond-shaped, with four borders and four angles, and that
articulates with the frontal bone, sphenoid bone, temporal bone, and maxilla is the
________.
a. nasal bone
b. lacrimal bone
c. vomer
d. palatine bone
e. zygomatic bone
ANS: E
Zygomatic bone. The zygomatic bone is roughly diamond-shaped, with four borders, four
angles, three surfaces, and three foramina. It articulates with the frontal bone, the greater
wing of the sphenoid, the maxilla, and the temporal bone.
REF: 6-205
18. The _________ bone is a small, thin bone with two surfaces and four borders that
articulates with the maxilla, the ethmoid bone, the frontal bone, and the inferior concha.
a. nasal
b. lacrimal
c. vomer
d. palatine
e. zygomatic
ANS: B
Lacrimal. The lacrimal bone is a small, thin, fragile bone with two surfaces and four
borders that articulates with the maxilla, the ethmoid bone, the frontal bone, and the
inferior concha.
REF: 6-206
19. The nasal bone articulates with the opposite nasal bone, the frontal bone, the maxilla, and
the _________ bone.
a. vomer
b. zygomatic
c. palatine
d. occipital
e. ethmoid
ANS: E
Ethmoid. The nasal bone articulates with the opposite nasal bone, the frontal bone, the
maxilla, and the ethmoid bone.
REF: 6-207
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 6-7
a. sphenoid
b. occipital
c. parietal
d. frontal
e. temporal
ANS: E
Temporal. The mandible articulates with the temporal bone through a movable synovial
joint.
REF: 6-210
21. Which of the following bones have not fused yet as single bones in the neonatal skull?
a. Frontal
b. Mandible
c. Temporal
d. A and C
e. A, B, and C
ANS: E
A, B, and C. At birth the frontal bone is separated by the midline metopic or interfrontal
suture, which ossifies in the first year. The mandible is separated by the symphysis menti,
and it fuses in the first year. The temporal, occipital, sphenoid, and ethmoid bones have
not fused at birth.
REF: 6-217
22. At birth, the mandible is separated into two halves by the ____________________.
a. interfrontal suture
b. retromolar fossa
c. symphysis menti
d. metopic suture
e. coronal suture
ANS: C
Symphysis menti. At birth, the mandible is in two halves, separated at the chin by the
symphysis menti.
Mosby items and derived items © 2011 by Mosby, Inc., an affiliate of Elsevier Inc.
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"Thank you, Mrs. Hall; you take good care of me. I shall
get spoilt if I stop here much longer!"
"There, sir!"
"A telegram, sir! It went to the office, but the boy found
it closed, and the caretaker sent him on here."
Kenneth took it from her, and opened it without any
feeling of surprise or curiosity. Telegrams often came to the
office, and he had left word that, in his absence, they were
to be sent on to his lodgings. But when he saw the words
on the pink paper inside, he started, and turned so pale
that Mrs. Hall, who was waiting at the door to see if he
wished to send an answer, could not help noticing it.
"I hardly know, Mrs. Hall. Ask the boy for a form; I
must send an answer."
"Coming immediately."
"My lord gave orders that the carriage was to meet the
last train. I'm sorry I'm late, sir."
The dog was there, lying before the fire. He got up and
ran eagerly forward when the door was opened, but drew
back disappointed when he saw a stranger enter, and threw
himself despairingly on the tiger-skin rug.
"Would you mind telling me why you have sent for me?
I have heard nothing as yet."
"Did you not send the Earl a letter when you were here
last? I remember writing an answer at his dictation. Now,
whatever that letter of yours contained, I should imagine
would be the reason of his wishing to see you now."
As soon as they were gone, the Earl held out his arms
to Kenneth, who was standing motionless by his bed.
Kenneth came close to his father, and the Earl put his
arms round him and kissed him. He had refused to kiss him
when he was about to forsake him, a poor, helpless,
motherless babe; but now the kiss, so long withheld, was
given, and the father's tears fell fast, as Kenneth knelt
down by his bed and took hold of his hand.
"Will you forgive me? Can you ever forgive me?" the
Earl repeated feebly.
"Freely—fully," said Kenneth, as he remembered the
words with which he had that morning concluded his prayer,
"'As we forgive them which trespass against us.'"
"Kenneth, my lord."
"Her name was Mirabel. She was the only one I ever
really loved; her father's name was De Sainte Croix. He was
of Huguenot descent, and was chaplain in Hyères when I
was there. We were married at Hyères. Kenneth, I have
written a statement, which will be quite sufficient, should I
die, to put you in your right place. My lawyer was here
yesterday. I made him read it through, and I signed it in his
presence. The marriage certificate is with it, so there can be
no difficulty about that."
"What letter?"
"The one old Tomkins left in the safe. Some one must
have got hold of that letter."
"It is never too late, father; you forget how God longs
and yearns to forgive us. He wants to forgive far more than
we want to be forgiven. Why, He wants it so much that He
sent His own Son to die for us, that He might be able to
forgive us. You see He couldn't have forgiven us otherwise,
for it wouldn't have been just. He is obliged to punish sin."
CHAPTER XXVII
ANOTHER CHAPTER CLOSED
And now, just when Lady Violet was recovering from her
accident, when the date of their wedding was once more
fixed, when all their arrangements were made, and when
everything seemed going well, this letter from the Earl had
arrived, informing him that a son of his, ignored and
disowned for twenty-five years, had turned up, had been
received and welcomed, and was now to inherit his title and
estates.
When the doctors told him that this was impossible until
the next day, as the Earl was extremely weak that evening
and must be kept perfectly quiet, he was more angry still;
and when he discovered, from the servants, that the
impostor, as he called him, was at that very time sitting in
the Earl's bedroom, to which he was admitted at all hours of
the day and night, his indignation knew no bounds. He
utterly declined to take the slightest notice of Kenneth or
even to see him. He ordered dinner to be served in his own
room, as he did not choose to sit down with the man who
had supplanted him, and he went to bed that night
determined to fight to the last for what he chose to call his
lawful rights.
During the latter part of the Earl's life, he and his son
had been left in peaceful enjoyment of each other's society.
He recovered from his severe illness to a great extent, and
was able to be moved daily on to a couch in his own room;
but on the fourteenth of March another heart attack had
occurred, more violent than any of those which had
preceded it, and in the space of a few hours he had passed
away.
"156, Lime
Street, Birmingham,
"
April 3.
"Yours sincerely,
"KENNETH
FORTESCUE."