Chapter 1 Flashcards by Dania Wajdi

How many bones are in the skull, excluding the ossicles of the ear?
a) 20
b) 22
c) 24
d) 26

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Which bone forms the lower jaw?
a) Parietal bone
b) Temporal bone
c) Mandible
d) Frontal bone

Mandible

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What part of the skull covers the cranial cavity containing the brain?
a) Calvaria
b) Facial skeleton
c) Mandible
d) Nasal bones

Calvaria

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Which bones form the base of the cranium?
a) Temporal, parietal, and frontal bones
b) Sphenoid, temporal, and occipital bones
c) Nasal, palatine, and lacrimal bones
d) Zygomatic, maxillae, and inferior nasal conchae

Sphenoid, temporal, and occipital bones

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What is the small depression between the raised superciliary arches called?
a) Glabella
b) Nasion
c) Mental protuberance
d) Oblique line

Glabella

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. Which bone forms the cheekbone?
a) Nasal bone
b) Zygomatic bone
c) Maxilla
d) Mandible

Zygomatic bone

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What is the large opening in the nasal region called?
a) Supra-orbital foramen
b) Piriform aperture
c) Infra-orbital foramen
d) Mental foramen

Piriform aperture

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Which bone contains the teeth and forms the upper jaw?
a) Nasal bone
b) Zygomatic bone
c) Maxilla
d) Mandible

Maxilla

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. What is the point of attachment for muscles that depress the lower lip on the
mandible?
a) Mental protuberance
b) Mental foramen
c) Oblique line
d) Mental tubercles

Oblique line

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Which bone articulates with the parietal bone at the coronal suture?
a) Frontal bone
b) Occipital bone
c) Sphenoid bone
d) Temporal bone

Frontal bone

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. What is the clinical consequence of a skull fracture in the pterion area?
a) Extradural hematoma
b) Intracranial hemorrhage
c) Skull deformity
d) Facial nerve damage

Extradural hematoma

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Which bone forms the zygomatic arch?
a) Frontal bone
b) Parietal bone
c) Temporal bone
d) Occipital bone

Temporal bone

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What is the external opening leading to the ear canal on the temporal bone called?
a) Supra-orbital foramen
b) External acoustic opening
c) Infra-orbital foramen
d) Mastoid process

External acoustic opening

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Which part of the temporal bone is visible on a lateral view of the skull?
a) Squamous part
b) Tympanic part
c) Petromastoid part
d) Mastoid process

Mastoid process

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What projects from the lower border of the temporal bone and is a point of muscle
attachment?
a) Mastoid process
b) Styloid process
c) Zygomatic process
d) Mental tubercles

Styloid process

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What bones are visible in a lateral view of the skull?
a) Nasal, maxilla, zygomatic
b) Frontal, parietal, occipital
c) Temporal, mandible, vomer
d) Ethmoid, palatine, sphenoid

Nasal, maxilla, zygomatic

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Which bone forms the upper jaw and articulates with the nasal bone?
a) Nasal bone
b) Maxilla
c) Zygomatic bone
d) Frontal bone

Maxilla

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What bone forms the prominence of the cheek in a lateral view of the skull?
a) Nasal bone
b) Maxilla
c) Zygomatic bone
d) Temporal bone

Zygomatic bone

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What is the function of the zygomatic process of the maxilla?
a) Articulates with the frontal bone
b) Forms the inferior rim of the orbit
c) Projects backward to form the zygomatic arch
d) Articulates with the zygomatic bone

Articulates with the zygomatic bone

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Where is the zygomaticofacial foramen located?
a) On the lateral surface of the zygomatic bone
b) On the medial deep surface of the zygomatic bone
c) On the frontal process of the zygomatic bone
d) On the temporal process of the zygomatic bone

On the lateral surface of the zygomatic bone

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What structures are visible in the anterior part of the mandible?
a) Body, ramus, angle
b) Teeth, mental protuberance
c) Condylar process, coronoid process
d) Mental foramen, alveolar process

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Teeth, mental protuberance

What is the point of attachment for the temporalis muscle on the mandible?
a) Condylar process
b) Coronoid process
c) Mental foramen
d) Alveolar process

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Coronoid process

Which bones are visible in the posterior view of the skull?
a) Occipital, parietal, temporal
b) Frontal, maxilla, zygomatic
c) Mandible, nasal, ethmoid
d) Sphenoid, vomer, palatine

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Occipital, parietal, temporal

What is the main structure in the posterior view of the skull?
a) Parietal bone
b) Temporal bone
c) Occipital bone
d) Frontal bone

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Occipital bone

What is the function of the external occipital protuberance? a) Articulates with the parietal bones b) Forms the superior nuchal lines c) Point of attachment for muscles d) Contains the foramen magnum

Point of attachment for muscles

What is the prominent feature of the temporal bones in the posterior view of the skull? a) Mastoid processes b) Zygomatic arches c) Styloid processes d) External acoustic meatus

Mastoid processes

Which bones are seen in a superior view of the skull? a) Frontal, parietal, occipital b) Temporal, zygomatic, mandible c) Nasal, maxilla, ethmoid d) Sphenoid, vomer, palatine

Frontal, parietal, occipital

What is the junction of the sagittal and coronal sutures called? a) Bregma b) Lambda c) Foramen magnum d) External occipital protuberance

Bregma

What is the structure of the calvaria made up of? a) Compact bone b) Spongy bone c) Diploé d) All of the above

All of the above

What is visible in the inferior view of the skull? a) Teeth and hard palate b) Zygomatic arches c) Mastoid processes d) Occipital bone

Teeth and hard palate

What forms the hard palate? a) Maxilla and palatine bones b) Mandible and temporal bones c) Frontal and sphenoid bones d) Occipital and ethmoid bones

Maxilla and palatine bones

What is the function of the incisive foramina in the hard palate? a) Passage to the nasal cavity b) Attachment for muscles c) Articulation with the mandible d) Formation of the zygomatic arch

Passage to the nasal cavity

What bones form the anterior half of the middle part of the base of the skull? a) Vomer and sphenoid b) Occipital and temporal c) Frontal and parietal d) Ethmoid and palatine

Vomer and sphenoid

What is the function of the vomer in the base of the skull? a) Forms the bony nasal septum b) Articulates with the occipital bone c) Contains the foramen magnum d) Attaches to the zygomatic arch

Forms the bony nasal septum

What are the three parts of the sphenoid bone seen in the inferior view of the skull? a) Body, greater wings, pterygoid processes b) Lesser wings, temporal processes, zygomatic processes c) Frontal processes, ethmoid bone, vomer d) Palatine processes, occipital bone, maxilla

Body, greater wings, pterygoid processes

What are the pterygoid processes composed of? a) Medial plate and lateral plate b) Greater wing and lesser wing c) Squamous part and basilar part d) Mastoid part and petrous part

Medial plate and lateral plate

What is the hook-like projection at the end of each medial plate of the pterygoid process called? a) Pterygoid canal b) Pterygoid hamulus c) Scaphoid fossa d) Foramen lacerum

Pterygoid hamulus

Which bone is immediately posterior to the body of the sphenoid? a) Temporal bone b) Occipital bone c) Ethmoid bone d) Frontal bone

Occipital bone

What is the bony protuberance on the basilar part of the occipital bone for the attachment of parts of the pharynx called? a) Pharyngeal tubercle b) Occipital condyle c) Jugular foramen d) Hypoglossal canal

Pharyngeal tubercle

What is the irregular opening filled with cartilage that forms one of the boundaries of the foramen lacerum? a) Carotid canal b) Jugular foramen c) Foramen ovale D Foramen lacerum

Foramen lacerum

hat is the groove between the petrous part of the temporal bone and the greater wing of the sphenoid for? a) Auditory tube b) Pharynx c) Mandible d) Spinal cord

Auditory tube

Which part of the temporal bone contains the mandibular fossa for articulation with the base of the skull? a) Mastoid part b) Petrous part c) Squamous part d) Styloid process

c) Squamous part

What is the space within the cranium that contains the brain and blood vessels called? a) Nasal cavity b) Cranial cavity c) Pharynx d) Orbit

Cranial cavity

Which bones form the roof of the cranial cavity? a) Frontal and parietal bones b) Temporal and occipital bones c) Ethmoid and sphenoid bones d) Parietal and occipital

a) Frontal and parietal bones

What is the point of attachment for the falx cerebri on the internal surface of the calvaria? a) Frontal crest b) Sagittal suture c) Lambdoid suture d) External occipital crest

Frontal crest

Which bone forms the floor of the anterior cranial fossa? a) Frontal bone b) Ethmoid bone c) Sphenoid bone d) Parietal bone

Frontal bone

What is the small wedge-shaped midline crest of bone in the anterior cranial fossa called? a) Crista galli b) Foramen cecum c) Optic canal d) Styloid process

Crista galli

Which structure may transmit emissary veins connecting the nasal cavity with the superior sagittal sinus? a) Foramen cecum b) Optic canal c) Foramen ovale d) Foramen magnum

Foramen cecum

What is the point of attachment for numerous muscles and ligaments on the lower border of the temporal bone? a) Mastoid process b) Styloid process c) Stylomastoid foramen d) Petrous part

)Styloid process

. Which part of the temporal bone contains the mastoid process and the deep mastoid notch? a) Mastoid part b) Petrous part c) Squamous part d) Styloid process

Mastoid part

Chapter 1 Flashcards

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