The Skull Flashcards Preview

Module 2.2 Gross Anatomy > The Skull > Flashcards

Flashcards in The Skull Deck (185):
1

skeleton of the head

Cranium/ skull

2

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

Neurocranium

3

Cranial vault

Neurocranium

4

neurocranium is formed by a series of ______ bones

8

5

Enumerate the 8 bones that made up the neurocranium:

Sphenoidal
Temporal (2sets)
Occipital
Parietal (2 sets)
Frontal
Ethmoidal

6

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

Calvaria/ Skull cap & Cranial Base/Basicranium

7

The neurocranium has a dome like roof called the

calvaria or skullcap

8

The neurocranium has floor called the _________.

basicranium

9

The skull has 2 parts:

Neurocranium & Viscerocranium

10

facial skeleton

Viscerocranium

11

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

Viscerocranium

12

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

orbitomeatal plane/ Frankfort horizontal plane

13

What are the 3 singular bones of the Viscerocranium?

Mandible, Ethmoid and Vomer

14

Enumerate the 6 bilateral bones of Viscerocranium

Lacrimal
Inferior nasal conchae
Maxillae
Palatine
Zygomatic
Nasal

15

How many bones consists/made up/forms the viscerocranium

15 irregular bones

16

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

intramembranous ossification and endochondral ossification

17

At birth, bones of calvaria are:

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

D) Smooth and Unilaminar

18

TRUE or FALSE



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

TRUE

19

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

B) First 2yrs

20


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

B) 2nd yr

21

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

frontal sutures; 8th yr

22

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

Metopic suture

23

TRUE/FALSE

mastoid and styloid process are present in a newborn.

FALSE, mastoid process forms during the 1st yr

24

future site of bregma

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

A) Anterior fontanelle

25

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) Anterior Fontanelle

26

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


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

B) Posterior Fontanelle

27

junction of lambdoid and sagittal sutures; future site of lambda

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

B) Posterior Fontanelle

28

The anterior fontanelle is nolonger palpable at ________


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

d) 18mons

29

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

B) at the end of 1st yr

30

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

C) Sphenoid and Mastoid Fontanelles

31

premature closure of cranial sutures

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

a) primary cynostosis

32

Primary cynostosis is more common among:

a) females
b) males

b) males

33

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

D) affect the brain development

34

Premature closure of sagittal sutures:

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

c) scaphocephaly

35

TRUE/ FALSE

In scaphocephaly, the posterior fontanelle is absent or small.

FALSE, it is the anterior fontanelle not the posterior fontanelle

36

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

long, narrow wedge-shaped cranium

37

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

c) coronal suture or lambdoid suture

38

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

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

d) asymmetrical and twisted

39

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

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

40

The anterior aspect of the cranium are consists of :

Frontal Bone Orbits Nasal Region Zygomatic Bone Maxillae and Mandible

41

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

frontal bone

42

Inferiorly, the frontal bone articulates with ________.

nasal and zygomatic bones

43

The frontal bone also articulates with __________

lacrimal, ethmoid and sphenoids

44

the intersection of the frontal and nasal bones

nasion

45

the smooth prominence superior to the root of the nose

glabella

46

the angular boundary between the squamous and orbital parts

supraorbital margin

47

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

supraorbital foramen

48

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

supercilliary arch

49

bilateral bony cavities that resemble quadrangular pyramids

Orbits

50

contain and protect the eyeball accessory visual structures

orbits

51

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

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

52

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

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

53

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

54

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

d) maxilla and partly by zygomatic and palatine bones

55

the shallow depression in the orbital part of the frontal bone

fossa for the lacrimal gland

56

cheek bones or malar bones and form the prominences of cheeks

zygomatic bone

57

lie on inferolateral sides of orbits and rests on maxillae

zygomatic bone

58

Zygomatic bone articulates with

frontal, sphenoid, maxillae and temporal bones

59

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

zygomaticofacial foramen

60

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

piriform aperture

61

divides the nasal cavity into right and left parts

nasal septum

62

curved bony plates on the lateral wall of each nasal cavity

nasal conchae

63

form upper jaw and the infraorbital margins, medially

maxillae

64

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

maxillae

65

surround piriform aperture and articulates with zygomatic bone

maxillae

66

passage of infraorbital nerve and vessels

infraorbital foramen

67

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) Le fort 1

68

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

b) Le fort 2

69

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

c) Le fort 3

70

consists of the body, angle and ramus

mandible

71

U-shaped bone and alveolar process that support mandibular teeth

mandible

72

mental foramina is inferior to the

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

b) 2nd premolar teeth

73

The fracture of the neck of the mandible is usually

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

c) transverse

74

The fracture of the angle of the mandible is usually

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

a) oblique

75

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

b) canine tooth

76

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

c) superior and inferior temporal lines

77

the temporal fossa is bounded anteriorly by

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

b) zygomatic bone

78

temporal fossa is bounded inferiorly by


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

a) zygomatic arch

79

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

d) zygomatic bone; temporal bone

80

entrance to external acoustic meatus or canal

extrnal acoustic opening

81

posteroinferior to the external acoustic opening

mastoid process

82

anteromedial located and a pointed projection

styloid process

83

inferior and deep to the zygomatic arch and mandible

Infratemporal fossa

84

Infratemporal fossa is posterior to

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

c) maxilla

85

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

d) pterion

86

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

external occipital protuberance

87

most prominent point of the external occipital protuberance

inion

88

descends from the protuberance toward the foramen magnum

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

b) external occipital crest

89


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

c) superior nunchal line

90

Indicates the junction of sagittal and lambdoid sutures

lambda

91

separates the frontal and parietal bones

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

a) coronal suture

92

separates the parietal bones


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

c) sagittal suture

93

separates parietal and temporal bones from occipital bone

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

b) lambdoid suture

94

junction of sagittal and coronal sutures

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

b)bregma

95

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


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

c)vertex

96

at junction of lambdoid and sagittal sutures

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

a)lambda

97

located posteriorly in the parietal bone near the sagittal suture

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

b) parietal foramen

98

transmit emissary veins

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

d) emissary formina

99

All are craniometric points except

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

d) nasion

100

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

c) lateral aspect

101

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) anterior aspect

102

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

d) occipital aspect

103

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

Superior aspect

104

This aspect of cranium has craniometric points and parietal landmarks

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

b) superior aspect

105

The external surface of the cranial base is also known as

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

d)basicranium

106

inferior portion of neurocranium and viscerocranium minus the mandible

external aspect of the cranium base/ basicranium

107

Enumerate the 7 features of the cranial base:

Alveolar arch of maxillae
Palatine process of maxillae Palatine
Sphenoid
Vomer
Temporal bone
Occipital bone

108

provide for muscle attachments

Mastoid process

109

lies posterior to the base of the styloid process

stylomastoid foramen

110

The external surface of the cranial base is also known as

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

d)basicranium

111

inferior portion of neurocranium and viscerocranium minus the mandible

external aspect of the cranium base/ basicranium

112

Enumerate the 7 features of the cranial base:

Alveolar arch of maxillae
Palatine process of maxillae Palatine
Sphenoid
Vomer
Temporal bone
Occipital bone

113

provide for muscle attachments

Mastoid process

114

lies posterior to the base of the styloid process

stylomastoid foramen

115

The stylomastoid foramen transmits ______ and _____.

facial nerve and stylomastoid artery

116

entrance for the internal carotid artery

Carotid Canal

117

The carotid canal is anterior to the _______.

jugular foramen

118

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

Jugular Foramen

119

large protuberances on the lateral parts of occipital bone

occipital condyle

120

It is where the cranium articulates with the vertebral column

Occipital Condyle

121

the large opening in the basal part of the occipital bone

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

b) foramen magnum

122

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

Pterygoid process

123

wedged between the frontal, temporal and occipital bones

sphenoid bone

124

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

d) occipital condyle

125

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) vomer

126

two large openings superior to the posterior edge of the palate

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

c) choanae

127

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

b) nasal aperture; vomer

128

Hard Palate is formed anteriorly by

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

c) palatal processes of maxillae

129

Hard Palate is formed posteriorly by

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

a) horizontal plates of palatine bones

130

posterior to central incisor teeth

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

a) Incisive foramen

131

medial to 3rd molar tooth

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

b) greater palatine foramen

132

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) Incisive foramen

133

Posterior to greater palatine foramen

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

c) lesser palatine foramen

134

transmit -greater palatine nerves and vessels

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

b) greater palatine foramen

135

Transmit-lesser palatine nerves and vessels

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

c) lesser palatine foramen

136

What are the major structures passing through the foramen magnum?

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

137

located superior to the anterolateral margin of the foramen magnum

Hypoglossal canal

138

Hypoglossal canal transmit ______.

hypoglossal nerve

139

located anterosuperior to the jugular foramen

Internal acoustis meatus

140

The internal acoustic meatus transmit:

Facial nerve
Vestibulocochlear nerve Labyrinthine artery

141

located at the petrous ridge of the temporal bone

Jugular Foramen

142

The jugular foramen transmits:

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

where the internal occipital crest ends

internal occipital protuberance

144

divides the posterior cranial fossa into large bilateral concave impressions

Internal occipital crest

145

bilateral concave impressions

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

a) cerebellar fossa

146

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

b) clivus

147

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

c) posterior cranial fossa

148

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

d) all of the above

149

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) anterior fossa

150

anterior fossa is bounded posteriorly by

body and lesser wings of spenoid

151

anterior fossa is formed medially by

ethmoid

152

anterior fossa is formed anteriorly by

frontal bone

153

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) anterior cranial fossa

154

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) orbital parts of the frontal bone

155

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

b) frontal crest

156

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) orbital parts of the frontal bone

157

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

d) it is significant postnatally

158

In latin, it means the cock's comb


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

d) crista galli

159

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

d) crista galli

160

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

c) cribriform plate of ethmoid

161

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

c) both b & d

162

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) sphenoidal crest

163

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

b) sphenoidal limbus

164

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) orbital parts of the frontal bone

165

lie on each side of the crista galli

cribiform plate of ethmoid

166

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

Cribirform plate of ethmoid

167

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

c) middle cranial fossa

168

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

b)square plate (butterfly-shaped)

169

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

b) sella turcica

170

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

c) Sella turcica

171

located posterior to the medial end of the superior orbital fissure

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

d) Foramen Rotundum

172

Foramen Rotundum transmit what nerve

Maxillary Nerve

173

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

b) superior orbital fissure

174

The superior orbital fissure transmit what nerves?

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

175

transmits the: Optic nerve and Ophthalmic artery

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

a) Optic Canal

176

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

c) Sella turcica

177

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

d) groove for the greater and lesser petrosal nerve

178


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

b)foramen lacerum

179


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

c) foramen spinosum

180

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) foramen ovale

181

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) Mandibular nerve and Accessory meningeal artery

182

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

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

183

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

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

184

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

Greater petrosal nerve and Petrosal br. of middle meningeal artery

185

It lodges the cerebellum, pons and medulla oblongata

posterior cranial fossa