PCSD 313 Exam 3 Questions with Correct Answers (Grade A+)
Question 1: forms lower jaw unpaired
Answer: Mandible (Facial Bone)
Question 2: 4 processes: 1. zygomatic 2. frontal 3. palatine 4. alveolar
Answer: Maxillae (Facial Bones)
Question 3: located between the anterior and superior surfaces on the lateral aspect of the bone.
Directed superiorly and laterally to articulate with the zygomatic bone
Answer: Zygomatic Process (of the Maxillae)
Question 4: superiorly directed plate of bone on the anterior surface. Articulates with the frontal
bone
Answer: Frontal Process (of the Maxillae)
Question 5: horizontal plate of the bone, directed medially. Articulates with the opposite side to form
the anterior 3/4 of the hard palate
Answer: Palatine Process (of the Maxillae)
Question 6: houses the teeth
Answer: Alveolar Process (of the Maxillae)
Question 7: form the bridge of the nose comprised of 2 small oblong plates of bone lie medially to the
frontal process of the Maxilla articulates with the frontal bone, Maxillae, and other bones of the nose
paired
Answer: Nasal bones (Facial Bones)
Question 8: located in the posterior nasal cavity situated posteriorly to the palatine process of the
maxilla contain a landmark, the Posterior Nasal Spine, a posteriorly directed bony projection that is
used as a landmark in imaging contribute to the following structures: posterior floor and lateral wall
of nasal cavity, posterior 1/4 of the hard palate, the floor of the orbit paired
Answer: Palatine bones (Facial Bones)
Question 9: smallest of facial bones form part of medial wall of orbital cavity paired
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, Answer: Lacrimal bones (Facial Bones)
Question 10: articulate with: Maxillae, frontal bone, temporal bone together these bones make up the
lateral orbit have 4 processes: Maxillary, Frontal, Orbital, Temporal paired
Answer: Zygomatic bones (Facial Bones)
Question 11: make up most of the inferior part of the lateral nasal walls articulate with the maxillae
posteriorly and with the palatine bones paired
Answer: Inferior Nasal Conchae (Facial Bones)
Question 12: forms the inferior half of the bony nasal septum articulates inferiorly with maxillae and
the palatine bones the anterior border articulates with the cartilaginous septum of the nose unpaired
Answer: Vomer (Facial Bone)
Question 13: unpaired considered cranial bone but contributes to facial skeleton consists of number
of parts and articulates with 15 bones: frontal, inferior nasal concha, sphenoid, zygomatics, nasals,
lacrimals, palatines, vomer, maxillae Has 4 parts: 1. cribiform plate 2. crista galli 3. ethmoid
labrynth 4. conchae
Answer: Ethmoid (Cranial bone)
Question 14: horizontal plate that separates the oral and nasal cavities forms the roof of the nasal
cavities
Answer: Cribiform Plate (of the Ethmoid)
Question 15: superior projection from the cribiform plate triangular process that separates the
cerebral hemispheres
Answer: Crista Galli (of the Ethmoid)
Question 16: thin walled section of bone that has air pockets that vary in size
Answer: Ethmoid Labyrinth (of the Ethmoid)
Question 17: forms the anterior part of the cranium contains a vertical plate (forehead) and a
horizontal aspect that contributes to the roof of the orbit and nasal cavities unpaired 4 parts: 1.
ethmoid notch 2. zygomatic process 3. frontal or nasal spine 4. supraorbital rim
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Question 1: forms lower jaw unpaired
Answer: Mandible (Facial Bone)
Question 2: 4 processes: 1. zygomatic 2. frontal 3. palatine 4. alveolar
Answer: Maxillae (Facial Bones)
Question 3: located between the anterior and superior surfaces on the lateral aspect of the bone.
Directed superiorly and laterally to articulate with the zygomatic bone
Answer: Zygomatic Process (of the Maxillae)
Question 4: superiorly directed plate of bone on the anterior surface. Articulates with the frontal
bone
Answer: Frontal Process (of the Maxillae)
Question 5: horizontal plate of the bone, directed medially. Articulates with the opposite side to form
the anterior 3/4 of the hard palate
Answer: Palatine Process (of the Maxillae)
Question 6: houses the teeth
Answer: Alveolar Process (of the Maxillae)
Question 7: form the bridge of the nose comprised of 2 small oblong plates of bone lie medially to the
frontal process of the Maxilla articulates with the frontal bone, Maxillae, and other bones of the nose
paired
Answer: Nasal bones (Facial Bones)
Question 8: located in the posterior nasal cavity situated posteriorly to the palatine process of the
maxilla contain a landmark, the Posterior Nasal Spine, a posteriorly directed bony projection that is
used as a landmark in imaging contribute to the following structures: posterior floor and lateral wall
of nasal cavity, posterior 1/4 of the hard palate, the floor of the orbit paired
Answer: Palatine bones (Facial Bones)
Question 9: smallest of facial bones form part of medial wall of orbital cavity paired
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, Answer: Lacrimal bones (Facial Bones)
Question 10: articulate with: Maxillae, frontal bone, temporal bone together these bones make up the
lateral orbit have 4 processes: Maxillary, Frontal, Orbital, Temporal paired
Answer: Zygomatic bones (Facial Bones)
Question 11: make up most of the inferior part of the lateral nasal walls articulate with the maxillae
posteriorly and with the palatine bones paired
Answer: Inferior Nasal Conchae (Facial Bones)
Question 12: forms the inferior half of the bony nasal septum articulates inferiorly with maxillae and
the palatine bones the anterior border articulates with the cartilaginous septum of the nose unpaired
Answer: Vomer (Facial Bone)
Question 13: unpaired considered cranial bone but contributes to facial skeleton consists of number
of parts and articulates with 15 bones: frontal, inferior nasal concha, sphenoid, zygomatics, nasals,
lacrimals, palatines, vomer, maxillae Has 4 parts: 1. cribiform plate 2. crista galli 3. ethmoid
labrynth 4. conchae
Answer: Ethmoid (Cranial bone)
Question 14: horizontal plate that separates the oral and nasal cavities forms the roof of the nasal
cavities
Answer: Cribiform Plate (of the Ethmoid)
Question 15: superior projection from the cribiform plate triangular process that separates the
cerebral hemispheres
Answer: Crista Galli (of the Ethmoid)
Question 16: thin walled section of bone that has air pockets that vary in size
Answer: Ethmoid Labyrinth (of the Ethmoid)
Question 17: forms the anterior part of the cranium contains a vertical plate (forehead) and a
horizontal aspect that contributes to the roof of the orbit and nasal cavities unpaired 4 parts: 1.
ethmoid notch 2. zygomatic process 3. frontal or nasal spine 4. supraorbital rim
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