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Module 2.2 Gross Anatomy > The Skull > Flashcards

The Skull Flashcards

1
Q

skeleton of the head

A

Cranium/ skull

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2
Q

Is the bony case of the brain plus the cranial meninges, proximal parts of cranial nerves and vasculature of the brain

A

Neurocranium

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3
Q

Cranial vault

A

Neurocranium

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4
Q

neurocranium is formed by a series of ______ bones

A

8

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5
Q

Enumerate the 8 bones that made up the neurocranium:

A 
Sphenoidal
Temporal (2sets) 
Occipital 
Parietal (2 sets) 
Frontal 
Ethmoidal
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6
Q

The neurocranium is made up of 2 parts: _______ & ________

A

Calvaria/ Skull cap & Cranial Base/Basicranium

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7
Q

The neurocranium has a dome like roof called the

A

calvaria or skullcap

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8
Q

The neurocranium has floor called the _________.

A

basicranium

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9
Q

The skull has 2 parts:

A

Neurocranium & Viscerocranium

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10
Q

facial skeleton

A

Viscerocranium

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11
Q

forms the anterior part of the cranium and it consists of bones surrounding the orbits, nose and mouth

A

Viscerocranium

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12
Q

anatomic position the inferior margin of the orbit and superior margin of the external acoustic meatus lie in the same horizontal plane

A

orbitomeatal plane/ Frankfort horizontal plane

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13
Q

What are the 3 singular bones of the Viscerocranium?

A

Mandible, Ethmoid and Vomer

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14
Q

Enumerate the 6 bilateral bones of Viscerocranium

A 
Lacrimal
Inferior nasal conchae 
Maxillae
Palatine
Zygomatic 
Nasal
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15
Q

How many bones consists/made up/forms the viscerocranium

A

15 irregular bones

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16
Q

The bones of calvaria and cranial base develop are develop by ________ and _________

A

intramembranous ossification and endochondral ossification

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17
Q

At birth, bones of calvaria are:

A) Multilaminar
B) Unilaminar
C) Rough and Multilaminar
D) Smooth and Unilaminar

A

D) Smooth and Unilaminar

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18
Q

TRUE or FALSE

During the cranium development, facial aspect is small compared to calvaria.

A

TRUE

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19
Q

During the cranium development, increase in size of calvaria is greatest during the _________ due to rapid brain development.

A) First year
B) First 2yrs
C) First 3yrs
D) First 8mons

A

B) First 2yrs

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20
Q

at birth the frontal bones consists of two halves; union begins in the_________.

A) First year
B) 2nd yr
C) 3rd yr
D) 8th yr

A

B) 2nd yr

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21
Q

At birth, halves of frontal bone are separated by the _________; obliterated at the _______.

A

frontal sutures; 8th yr

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22
Q

remnant of frontal suture that persists in the middle of the glabella

A

Metopic suture

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23
Q

TRUE/FALSE

mastoid and styloid process are present in a newborn.

A

FALSE, mastoid process forms during the 1st yr

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24
Q

future site of bregma

A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle

A

A) Anterior fontanelle

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25
Q

diamond or star-shaped and bounded by frontal bone anteriorly and parietal bone posteriorly

A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle

A

A) Anterior Fontanelle

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26
Q

triangular-shaped and bounded by parietal bones anteriorly and occipital bone posteriorly

A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle

A

B) Posterior Fontanelle

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27
Q

junction of lambdoid and sagittal sutures; future site of lambda

A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid Fontanelle
D) Mastoid Fontanelle

A

B) Posterior Fontanelle

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28
Q

The anterior fontanelle is nolonger palpable at ________

a) 10mons
b) 16mons
c) 25mons
d) 18mons

A

d) 18mons

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29
Q

The posterior fontanelle is no longer palpable at ________.

a) at the early stage of 2nd yr
b) at the end of 1st yr
c) 3rd yr
d) 19 months

A

B) at the end of 1st yr

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30
Q

temporal muscle overlies these fontanelles and it fuse during infancy.

A) Anterior Fontanelle
B) Posterior Fontanelle
C) Sphenoid and Mastoid Fontanelles
D) Mastoid and Anterior Fontanelles

A

C) Sphenoid and Mastoid Fontanelles

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31
Q

premature closure of cranial sutures

a) primary cynostosis
b) oxycephaly
c) turricephaly
d) plangiocephaly

A

a) primary cynostosis

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32
Q

Primary cynostosis is more common among:

a) females
b) males

A

b) males

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33
Q

The following are characteristics of primary cynostosis EXCEPT:

a) more common among males
b) 1 per 2000 births
c) premature closure of cranial sutures
d) affect the brain development

A

D) affect the brain development

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34
Q

Premature closure of sagittal sutures:

a) Primary cynostosis
b) plangiocephaly
c) scaphocephaly
d) oxcycephaly

A

c) scaphocephaly

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35
Q

TRUE/ FALSE

In scaphocephaly, the posterior fontanelle is absent or small.

A

FALSE, it is the anterior fontanelle not the posterior fontanelle

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36
Q

What is the shape of the cranium if the person has scaphocephaly?

A

long, narrow wedge-shaped cranium

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37
Q

Plangiocephaly is the premature closure of:

a) sagittal suture
b) coronal and sagittal sutures
c) coronal suture or lambdoid suture
d) coronal and lambdoid sutures

A

c) coronal suture or lambdoid suture

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38
Q

What describes best the cranium of a person who has plangiocephaly?

a) long elongated
b) narrow
c) asymmetrical
d) asymmetrical and twisted

A

d) asymmetrical and twisted

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39
Q

The following are characteristics of Oxycephaly EXCEPT:

a) premature closure of coronal suture
b) high tower-like cranium
c) more common among males
d) also known as turricephaly

A

c) more common among males since it is more common among females

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40
Q

The anterior aspect of the cranium are consists of :

A

Frontal Bone Orbits Nasal Region Zygomatic Bone Maxillae and Mandible

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41
Q

squamous (flat)part and forms the skeleton of the forehead

A

frontal bone

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42
Q

Inferiorly, the frontal bone articulates with ________.

A

nasal and zygomatic bones

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43
Q

The frontal bone also articulates with __________

A

lacrimal, ethmoid and sphenoids

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44
Q

the intersection of the frontal and nasal bones

A

nasion

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45
Q

the smooth prominence superior to the root of the nose

A

glabella

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46
Q

the angular boundary between the squamous and orbital parts

A

supraorbital margin

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47
Q

for passage of supra-orbital nerve and vessels and located at the supraorbital margin

A

supraorbital foramen

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48
Q

prominent ridge superior to the supraorbital margin and deep to the eyebrows; extends laterally on each side from the glabella

A

supercilliary arch

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49
Q

bilateral bony cavities that resemble quadrangular pyramids

A

Orbits

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50
Q

contain and protect the eyeball accessory visual structures

A

orbits

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51
Q

The superior wall/roof of the orbit are consists by:

a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones

A

b) orbital part of horizontal bone and lesser wing of sphenoid

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52
Q

The lateral wall of the orbits are consists by

a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones

A

c) frontal process of zygomatic bone and greater wing of sphenoid

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53
Q

The medial wall of the orbits are consists of

a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones

A

a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones.

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54
Q

The inferior wall/floor of the orbits is demarcated from the lateral wall of the inferior orbital fissure and consists of:

a) orbital plate of ethmoid plus frontal process of maxilla, lacrimal and sphenoid bones
b) orbital part of horizontal bone and lesser wing of sphenoid
c) frontal process of zygomatic bone and greater wing of sphenoid
d) maxilla and partly by zygomatic and palatine bones

A

d) maxilla and partly by zygomatic and palatine bones

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55
Q

the shallow depression in the orbital part of the frontal bone

A

fossa for the lacrimal gland

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56
Q

cheek bones or malar bones and form the prominences of cheeks

A

zygomatic bone

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57
Q

lie on inferolateral sides of orbits and rests on maxillae

A

zygomatic bone

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58
Q

Zygomatic bone articulates with

A

frontal, sphenoid, maxillae and temporal bones

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59
Q

pierces the lateral aspect of the zygomatic bones and passage of zygomaticofacial nerve and vessels

A

zygomaticofacial foramen

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60
Q

pear-shaped anterior nasal opening in the cranium&inferior to the nasal bones

A

piriform aperture

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61
Q

divides the nasal cavity into right and left parts

A

nasal septum

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62
Q

curved bony plates on the lateral wall of each nasal cavity

A

nasal conchae

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63
Q

form upper jaw and the infraorbital margins, medially

A

maxillae

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64
Q

alveolar processes include the tooth sockets called alveoli and it is supporting bone for maxillary teeth

A

maxillae

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65
Q

surround piriform aperture and articulates with zygomatic bone

A

maxillae

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66
Q

passage of infraorbital nerve and vessels

A

infraorbital foramen

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67
Q

horizontal fracture of the maxillae that passes superiorly to the maxillary alveolar process crossing the bony nasal septum

a) Le fort 1
b) Le fort 2
c) Le fort 3

A

a) Le fort 1

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68
Q

passes from the posterolateral parts of the maxillary sinuses through the infra-orbital foramina lacrimals or ethmoids to bridge of nose

a) Le fort 1
b) Le fort 2
c) Le fort 3

A

b) Le fort 2

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69
Q

horizontal fracture -passes through the superior orbital fissures, ethmoid and nasal bones, extending to the greater wings of sphenoid and frontozygomatic sutures

a) Le fort 1
b) Le fort 2
c) Le fort 3

A

c) Le fort 3

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70
Q

consists of the body, angle and ramus

A

mandible

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71
Q

U-shaped bone and alveolar process that support mandibular teeth

A

mandible

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72
Q

mental foramina is inferior to the

a) 1st premolar teeth
b) 2nd premolar teeth
c) 3rd premolar teeth
d) NOTA

A

b) 2nd premolar teeth

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73
Q

The fracture of the neck of the mandible is usually

a) oblique
b) vertical
c) transverse
d) All of the above

A

c) transverse

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74
Q

The fracture of the angle of the mandible is usually

a) oblique
b) vertical
c) transverse
d) All of the above

A

a) oblique

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75
Q

The fractures of the body of the mandible pass through the socket of

a) inscisior tooth
b) canine tooth
c) 2nd premolar teeth
d) NOTA

A

b) canine tooth

76
Q

Temporal fossa is bounded superiorly and posteriorly by:

a) zygomatic arch
b) temporal bone
c) superior and inferior temporal lines
d) mastoid and styloid process

A

c) superior and inferior temporal lines

77
Q

the temporal fossa is bounded anteriorly by

a) zygomatic arch
b) zygomatic bone
c) temporal bone
d) mastoid

A

b) zygomatic bone

78
Q

temporal fossa is bounded inferiorly by

a) zygomatic arch
b) zygomatic bones
c) temporal bone
d) mastoid

A

a) zygomatic arch

79
Q

zygomatic arch is formed by the union of temporal process of ________ and zygomatic process of _______.

a) zygmotic bone; mastoid
b) zygomatic bone; zygomatic arch
c) mastoid; styloid process
d) zygomatic bone; temporal bone

A

d) zygomatic bone; temporal bone

80
Q

entrance to external acoustic meatus or canal

A

extrnal acoustic opening

81
Q

posteroinferior to the external acoustic opening

A

mastoid process

82
Q

anteromedial located and a pointed projection

A

styloid process

83
Q

inferior and deep to the zygomatic arch and mandible

A

Infratemporal fossa

84
Q

Infratemporal fossa is posterior to

a) zygomatic arch
b) mandible
c) maxilla
d) all of the above

A

c) maxilla

85
Q

an H-shaped formation of sutures that unite the frontal, parietal, greater wing of sphenoid and temporal bones

a) nasion
b) inion
c) vertex
d) pterion

A

d) pterion

86
Q

at the occipital aspect of cranium, _________ is palpable in the median plane

A

external occipital protuberance

87
Q

most prominent point of the external occipital protuberance

A

inion

88
Q

descends from the protuberance toward the foramen magnum

a) inion
b) external occipital crest
c) superior nunchal line
d) inferior nunchal line

A

b) external occipital crest

89
Q

marks the superior limit of neck and extends laterally from each side of the protuberance

a) inion
b) external occipital crest
c) superior nunchal line
d) inferior nunchal line

A

c) superior nunchal line

90
Q

Indicates the junction of sagittal and lambdoid sutures

A

lambda

91
Q

separates the frontal and parietal bones

a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture

A

a) coronal suture

92
Q

separates the parietal bones

a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture

A

c) sagittal suture

93
Q

separates parietal and temporal bones from occipital bone

a) coronal suture
b) lambdoid suture
c) sagittal suture
d) squamoidal suture

A

b) lambdoid suture

94
Q

junction of sagittal and coronal sutures

a) lambda
b) bregma
c) vertex
d) inion

A

b)bregma

95
Q

most superior point of the calvarianear the midpoint of the sagittal suture

a) lambda
b) bregma
c) vertex
d) inion

A

c)vertex

96
Q

at junction of lambdoid and sagittal sutures

a) lambda
b) bregma
c) vertex
d) inion

A

a)lambda

97
Q

located posteriorly in the parietal bone near the sagittal suture

a) sagittal foramen
b) parietal foramen
c) mandibular foramen
d) emissary formina

A

b) parietal foramen

98
Q

transmit emissary veins

a) sagittal foramen
b) parietal foramen
c) mandibular foramen
d) emissary formina

A

d) emissary formina

99
Q

All are craniometric points except

a) bregma
b) lambda
c) vertex
d) nasion

A

d) nasion

100
Q

The zygomatic arch, temporal fossa, infratemporal fossa, external acoustic opening, mastoid process and lateral aspects of mandible and maxilla consist of what aspect of the cranium?

a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect

A

c) lateral aspect

101
Q

The frontal bone, zygomatic bone, orbits, nasal region, maxillae and mandible consists what aspect of cranium?

a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect

A

a) anterior aspect

102
Q

The occipital bone, parts of parietal boneand mastoid parts of the temporal bone consist of what aspect of the cranium?

a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect

A

d) occipital aspect

103
Q

This aspect of cranium is somewhat oval in form and broadens posterolaterally at the parietal eminences

A

Superior aspect

104
Q

This aspect of cranium has craniometric points and parietal landmarks

a) anterior aspect
b) superior aspect
c) lateral aspect
d) occipital aspect

A

b) superior aspect

105
Q

The external surface of the cranial base is also known as

a) neurocranium
b) viscerocranium
c) calvaria
d) basicranium

A

d)basicranium

106
Q

inferior portion of neurocranium and viscerocranium minus the mandible

A

external aspect of the cranium base/ basicranium

107
Q

Enumerate the 7 features of the cranial base:

A 
Alveolar arch of maxillae 
Palatine process of maxillae Palatine 
Sphenoid 
Vomer 
Temporal bone 
Occipital bone
108
Q

provide for muscle attachments

A

Mastoid process

109
Q

lies posterior to the base of the styloid process

A

stylomastoid foramen

110
Q

The external surface of the cranial base is also known as

a) neurocranium
b) viscerocranium
c) calvaria
d) basicranium

A

d)basicranium

111
Q

inferior portion of neurocranium and viscerocranium minus the mandible

A

external aspect of the cranium base/ basicranium

112
Q

Enumerate the 7 features of the cranial base:

A 
Alveolar arch of maxillae 
Palatine process of maxillae Palatine 
Sphenoid 
Vomer 
Temporal bone 
Occipital bone
113
Q

provide for muscle attachments

A

Mastoid process

114
Q

lies posterior to the base of the styloid process

A

stylomastoid foramen

115
Q

The stylomastoid foramen transmits ______ and _____.

A

facial nerve and stylomastoid artery

116
Q

entrance for the internal carotid artery

A

Carotid Canal

117
Q

The carotid canal is anterior to the _______.

A

jugular foramen

118
Q

large opening between the occipital bone and petrous part of temporal bone

A

Jugular Foramen

119
Q

large protuberances on the lateral parts of occipital bone

A

occipital condyle

120
Q

It is where the cranium articulates with the vertebral column

A

Occipital Condyle

121
Q

the large opening in the basal part of the occipital bone

a) jugular foramen
b) foramen magnum
c) occipital condyle
d) mental foramen

A

b) foramen magnum

122
Q

consists of lateral and medial pterygoid plates and extend on each side of the sphenoid

A

Pterygoid process

123
Q

wedged between the frontal, temporal and occipital bones

A

sphenoid bone

124
Q

Sphenoid bone is an unpaired bone which consists of the following EXCEPT:

a) body
b) Greater wings and Lesser wings -spread laterally from the lateral aspects of the body of the sphenoid
c) pterygoid processes
d) occipital condyle

A

d) occipital condyle

125
Q

trapezoidal in shape flat, unpaired bone and forms a major part of the bony nasal septum

a) vomer
b) sphenoid bone
c) conchae
d) maxilla

A

a) vomer

126
Q

two large openings superior to the posterior edge of the palate

a) vomer
b) sphenoid bone
c) choanae
d) maxilla

A

c) choanae

127
Q

Choanae is posterior to _______ and separated from each other by the _________

a) pteryoid process; maxilla
b) nasal aperture; vomer
c) maxilla; pterygoid process
d) vomer; nasal aperture

A

b) nasal aperture; vomer

128
Q

Hard Palate is formed anteriorly by

a) horizontal plates of palatine bones
b) posterior nasal spine
c) palatal processes of maxillae
d) NOTA

A

c) palatal processes of maxillae

129
Q

Hard Palate is formed posteriorly by

a) horizontal plates of palatine bones
b) posterior nasal spine
c) palatal processes of maxillae
d) NOTA

A

a) horizontal plates of palatine bones

130
Q

posterior to central incisor teeth

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

a) Incisive foramen

131
Q

medial to 3rd molar tooth

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

b) greater palatine foramen

132
Q

depression in the midline of bony palate into which the incisive canals open

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

a) Incisive foramen

133
Q

Posterior to greater palatine foramen

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

c) lesser palatine foramen

134
Q

transmit -greater palatine nerves and vessels

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

b) greater palatine foramen

135
Q

Transmit-lesser palatine nerves and vessels

a) Incisive foramen
b) greater palatine foramen
c) lesser palatine foramen

A

c) lesser palatine foramen

136
Q

What are the major structures passing through the foramen magnum?

A 
Dural veins 
Ant./post. Spinal arteries
Medulla and Meninges 
Spinal accessory n. 
Vertebral arteries
137
Q

located superior to the anterolateral margin of the foramen magnum

A

Hypoglossal canal

138
Q

Hypoglossal canal transmit ______.

A

hypoglossal nerve

139
Q

located anterosuperior to the jugular foramen

A

Internal acoustis meatus

140
Q

The internal acoustic meatus transmit:

A

Facial nerve

Vestibulocochlear nerve Labyrinthine artery

141
Q

located at the petrous ridge of the temporal bone

A

Jugular Foramen

142
Q

The jugular foramen transmits:

A 
Meningeal br. of ascending pharyngeal and occipital a. Accessory nerve 
Sigmoid sinus 
Sup. bulb of int. jugular vein 
Inferior petrosal sinus 
Vagus nerve 
Glossopharyngeal nerve
143
Q

where the internal occipital crest ends

A

internal occipital protuberance

144
Q

divides the posterior cranial fossa into large bilateral concave impressions

A

Internal occipital crest

145
Q

bilateral concave impressions

a) cerebellar fossa
b) clivus
c) Internal occipital crest
d) internal occipital protuberance

A

a) cerebellar fossa

146
Q

located in the center of the anterior part of the fossa leading to the foramen magnum

a) cerebellar fossa
b) clivus
c) Internal occipital crest
d) internal occipital protuberance

A

b) clivus

147
Q

The cerebellar fossa, clivus, internal occipital crest and internal occipital protuberance consist the

a) middle cranial fossa
b) anterior cranial fossa
c) posterior cranial fossa

A

c) posterior cranial fossa

148
Q

What are the three large depressions in the internal surface of the cranial base?

a) middle cranial fossa
b) anterior cranial fossa
c) posterior cranial fossa
d) all of the above

A

d) all of the above

149
Q

Formed by the frontal bone, ethmoid and body and lesser wings of sphenoid

a) anterior fossa
b) middle fossa
c) posterior fossa
d) all of the above

A

a) anterior fossa

150
Q

anterior fossa is bounded posteriorly by

A

body and lesser wings of spenoid

151
Q

anterior fossa is formed medially by

A

ethmoid

152
Q

anterior fossa is formed anteriorly by

A

frontal bone

153
Q

Formed by the frontal bone (anteriorly), ethmoid (middle), body and wings of sphenoid (posteriorly)

a) anterior cranial fossa
b) middle cranial fossa
c) posterior cranial fossa

A

a) anterior cranial fossa

154
Q

This the horizontal part of the frontal bone forms the roof of the orbit and the floor of the anterior cranial fossa

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

a) orbital parts of the frontal bone

155
Q

It is the median bony extension of the frontal bone

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

b) frontal crest

156
Q

It forms the greatest part of the anterior cranial fossa and its surface show brain markings of orbital gyri.

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

a) orbital parts of the frontal bone

157
Q

The following are characteristics of Foramen Cecum EXCEPT:

a) gives passage to vessels during fetal development
b) it is located at the base of the frontal crest
c) it contains the nasal emissart vein (1% of the population
d) it is significant postnatally

A

d) it is significant postnatally

158
Q

In latin, it means the cock’s comb

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

d) crista galli

159
Q

It is a thick, median ridge posterior to foramen cecum and it projects superiorly from the ethmoid bone

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

d) crista galli

160
Q

lie on each side of the crista galli

a) lesser wing of sphenoid
b) anterior ethmoidal foramen
c) cribriform plate of ethmoid
d) posterior ethmoidal foramen

A

c) cribriform plate of ethmoid

161
Q

Transmit the anterior and posterior ethmoidal artery, vein and nerve

a) lesser wing of sphenoid
b) anterior ethmoidal foramen
c) both b & d
d) posterior ethmoidal foramen

A

c) both b & d

162
Q

It separates the anterior cranial fossa from the middle cranial fossa laterally

a) sphenoidal crest
b) sphenoidal limbus
c) a & b
d) posterior ethmoidal foramen

A

a) sphenoidal crest

163
Q

It separates the anterior cranial fossa from the middle cranial fossa centrally

a) sphenoidal crest
b) sphenoidal limbus
c) a & b
d) posterior ethmoidal foramen

A

b) sphenoidal limbus

164
Q

the tiny foramina of the cribriform plate transmit the olfactory nerves (CN I) to the olfactory bulbs of the brain

a) orbital parts of the frontal bone
b) frontal crest
c) foramen cecum
d) crista galli

A

a) orbital parts of the frontal bone

165
Q

lie on each side of the crista galli

A

cribiform plate of ethmoid

166
Q

the tiny foramina of the cribriform plate transmit the olfactory nerves (CN I) to the olfactory bulbs of the brain

A

Cribirform plate of ethmoid

167
Q

separated from the anterior cranial fossa by the ff: spenoidal crests (laterally) sphenoidal limbus(centrally)

a) anterior cranial fossa
b) posterior cranial fossa
c) middle cranial fossa

A

c) middle cranial fossa

168
Q

The following are characteristics of middle cranial fossa EXCEPT:

a) postero-inferior to the anterior cranial fossa
b) square plate
c) has a central part, the sella turcica and depressed lateral parts on each side
d) lateral parts support the temporal lobes of brain

A

b)square plate (butterfly-shaped)

169
Q

The lateral parts of the middle cranial fossa are formed by the following EXCEPT:

a) Greater wings of the sphenoid
b) sella turcica
c) Squamous part of the temporal bone
d) Petrous part of the temporal bone

A

b) sella turcica

170
Q

A saddle-like bony formation surrounded by the anterior and posterior clinoid processes

a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum

A

c) Sella turcica

171
Q

located posterior to the medial end of the superior orbital fissure

a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum

A

d) Foramen Rotundum

172
Q

Foramen Rotundum transmit what nerve

A

Maxillary Nerve

173
Q

opens anteriorly in the orbit and located between the greater and lesser wing of sphenoid

a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum

A

b) superior orbital fissure

174
Q

The superior orbital fissure transmit what nerves?

A 
superior opthalmic vein
lacrimal, frontal and nasociliary branch of opthalmic nerve
oculomotor nerve
abducens nerve
trochlear nerve
175
Q

transmits the: Optic nerve and Ophthalmic artery

a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum

A

a) Optic Canal

176
Q

Composed of 3 parts namely Tuberculum sellae, hypohysial fossa, and dorsum sellae

a) Optic Canal
b) superior orbital fissure
c) Sella turcica
d) Foramen Rotundum

A

c) Sella turcica

177
Q

lie on the anterosuperior surface of the petrous part of temporal bone and extends laterally from the foramen lacerum

a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve

A

d) groove for the greater and lesser petrosal nerve

178
Q

posterolateral to hypophysial foramen and in life it is closed by a cartilage plate

a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve

A

b)foramen lacerum

179
Q

posterolateral to the foramen ovale and opens into the infra temporal fossa

a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve

A

c) foramen spinosum

180
Q

large foramen postero-lateral to the foramen rotundum and it opens into the infratemporal fossa

a) foramen ovale
b) foramen lacerum
c) foramen spinosum
d) groove for the greater and lesser petrosal nerve

A

a) foramen ovale

181
Q

The foramen ovale transmits

a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA

A

a) Mandibular nerve and Accessory meningeal artery

182
Q

The foramen lacerum transmits:

a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA

A

c) Meningeal arterial br. , Deep petrosal nerve and Small veins

183
Q

The foramen spinosum transmits:

a) Mandibular nerve and Accessory meningeal artery
b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve
c) Meningeal arterial br. , Deep petrosal nerve and Small veins
d) NOTA

A

b) Middle meningeal artery and vein and Meningeal branch of mandibular nerve

184
Q

The contents of the Groove for the greater and lesser petrosal nerve are

A

Greater petrosal nerve and Petrosal br. of middle meningeal artery

185
Q

It lodges the cerebellum, pons and medulla oblongata

A

posterior cranial fossa

Module 2.2 Gross Anatomy (3 decks)

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