Deck 2: Cranium and Facial Bones

Question 1

Which of the following is a foramen contained within the sphenoid bone?

A) Foramen lacerum
B) Foramen ovale
C) Jugular foramen
D) Mental foramen

Answer 1

B

Question 2

The zygomatic arch is formed by the zygoma and the:

A) maxilla.
B) parietal bone.
C) temporal bone.
D) mandible.

Answer 2

C

Question 3

The lateral masses and the superior and middle nasal conchae are part of which cranial bone?

A) Ethmoid
B) Sphenoid
C) Temporal
D) Frontal

Answer 3

A

Question 4

Which of the following cranial bones form the largest portion of the sides of the cranium?

A) Parietal bones
B) Temporal bones
C) Occipital bones
D) Sphenoid bones

Question 5

The hypoglossal canals are located within which cranial bone?

A) Sphenoid
B) Ethmoid
C) Frontal
D) Occipital

Question 6

Which portion of the temporal bone is pyramidal in shape and situated at an angle between the sphenoid and occipital bones?

A) Squamous
B) Tympanic
C) Mastoid
D) Petrous

Question 7

Which of the following is not a muscle of the eye?

A) Superior rectus
B) Lateral rectus
C) Superior oblique
D) Lateral oblique

Question 8

Which opening is located between the greater and lesser wings of the sphenoid bone?

A) Superior orbital fissure
B) Optic canal
C) Inferior orbital fissure
D) Optic foramen

Question 9

The petrosal nerve passes through the:

A) foramen rotundum.
B) foramen spinosum.
C) optic canal.
D) pterygoid canal.

Question 10

The osteomeatal complex is located in which portion of the maxillary sinus?

A) Superior medial
B) Superior lateral
C) Inferior medial
D) Inferior lateral

Question 11

The internal auditory canal transmits cranial nerves:

A) VI and VII.
B) VII and VIII.
C) VIII and IX.
D) IX and X.

Question 12

The parietal bones articulate with the _____,and temporal bones.

A) ethmoid, frontal, occipital
B) sphenoid, occipital, frontal
C) ethmoid, frontal, maxillary
D) sphenoid, frontal, maxillary

Question 13

The lower portion of the bony nasal septum is formed by which facial bone?

A) Maxilla
B) Vomer
C) Palatine bone
D) Lacrimal bone

Question 14

Which of the following are the structures of the inner ear?

A) Semicircular canals, malleus, vestibule
B) Cochlea, incus, oval window
C) Vestibule, cochlea, malleus
D) Semicircular canals, cochlea, vestibule

Question 15

The anterior surface of the temporomandibular articular disk attaches to which muscle?

A) Temporalis
B) Medial pterygoid
C) Lateral pterygoid
D) Masseter

Question 16

The cribriform plate is part of which cranial bone?

A) Sphenoid
B) Temporal
C) Ethmoid
D) Occipital

Question 17

Cranial nerve XII passes through the _____ canal.

A) vidian
B) pterygoid
C) hypoglossal
D) optic

Question 18

The foramen magnum is a structure of which cranial bone?

A) Sphenoid
B) Ethmoid
C) Frontal
D) Occipital

Question 19

The basilar portion of the occipital bone forms the anterior margin of the foramen magnum and slopes superiorly and anteriorly to meet with the dorsum sella to form which structure?

A) Clivus
B) Lateral condyle
C) Internal occipital protuberance
D) Sella turcica

Question 20

Which structure of the sphenoid bone houses the pituitary gland?

A) Foramen ovale
B) Pterygoid process
C) Sella turcica
D) Anterior clinoid process

Question 21

Which of the following is a point on the skull that corresponds to the posterior end of the
Parietomastoid suture?

A) Asterion
B) Pterion
C) Bregma
D) Lambda

Question 22

The frontal sinuses drain into the:

A) sphenoethmoidal recess.
B) superior nasal meatus.
C) middle nasal meatus.
D) inferior nasal meatus.

Question 23

Two opening of the vestibule are the:

A) round window and internal auditory canal.
B) oval window and internal auditory canal.
C) oval window and vestibular aqueduct.
D) round window and vestibular aqueduct.

Question 24

Questions 37 through 39 refer to the figure below of an axial CT of the temporal bone.

Which arrow points to the carotid canal?

A) A
B) B
C) C
D) D

Question 25

The ethmoid sinuses are contained in which portion of the ethmoid bone?

A) Body
B) Vertical portion
C) Horizontal portion
D) Lateral masses

Question 26

Questions 34 through 36 refer to the figure below of an axial CT of the orbit.

Which arrow points to the anterior clinoid process?

A) A
B) B
C) C
D) D

Question 27

Questions 37 through 39 refer to the figure below of an axial CT of the temporal bone.

On the figure below,a coronal CT of the orbit with optic nerve and vessels,which arrow points to the temporalis muscle?

A) A
B) B
C) C
D) D

Question 28

The term for the anterior fontanel is the:

A) asterion.
B) pterion.
C) bregma.
D) lambda.

Question 29

Questions 31 through 33 refer to the figure below of a coronal CT of the ethmoid bone.

Which arrow points to the vomer?

A) A
B) B
C) C
D) D

Question 30

Questions 31 through 33 refer to the figure below of a coronal CT of the ethmoid bone.

Which arrow points to the cribriform plate?

A) A
B) B
C) C
D) D

Question 31

Questions 34 through 36 refer to the figure below of an axial CT of the orbit.

Which arrow points to the optic canal?

A) A
B) B
C) C
D) D

Question 32

The middle ear,or tympanic cavity,communicates with _____ and the nasopharynx.

A) the mastoid antrum
B) the frontal sinus
C) the sphenoid sinus
D) Meckel's cave

Question 33

Questions 37 through 39 refer to the figure below of an axial CT of the temporal bone.

Which arrow points to the jugular foramen?

A) A
B) B
C) C
D) D

Question 34

Which suture is located posterior in the cranium and joins the occipital and parietal bones?

A) Squamous
B) Coronal
C) Sagittal
D) Lambdoidal

Question 35

Questions 37 through 39 refer to the figure below of an axial CT of the temporal bone.

Which arrow points to the sphenoid sinus?

A) A
B) B
C) C
D) D

Question 36

Questions 31 through 33 refer to the figure below of a coronal CT of the ethmoid bone.

Which arrow points to the ethmoid sinuses?

A) A
B) B
C) C
D) D

Question 37

The infraorbital foramen is part of which facial bone?

A) Mandible
B) Maxillary
C) Zygomatic
D) Nasal

Question 38

Which structure of the inner ear is responsible for hearing?

A) Vestibule
B) Semicircular canal
C) Incus
D) Cochlea

Question 39

Questions 34 through 36 refer to the figure below of an axial CT of the orbit.

Which arrow points to the dorsum sellae?

A) A
B) B
C) C
D) D

Question 40

The stylomastoid foramen constitutes the end of the _____ canal.

A) optic
B) pterygoid
C) facial nerve
D) hypoglossal

Question 41

Questions 57 through 61 refer to the figure below of a coronal CT of the inner ear.

Which arrow points to the superior semicircular canal?

A) A
B) B
C) C
D) D
E) E

Question 42

Questions 53 through 56 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the carotid canal?

A) A
B) B
C) C
D) D

Question 43

Questions 41 through 44 refer to the figure below of a sagittal CT reformat of the cranium.

Which arrow points to the occipital bone?

A) A
B) B
C) C
D) D

Question 44

Questions 45 through 47 refer to the figure below of the coronal CT of the dorsum sella.

Which arrow points to the temporal bone?

A) A
B) B
C) C

Question 45

Questions 41 through 44 refer to the figure below of a sagittal CT reformat of the cranium.

Which arrow points to the sphenoid sinus?

A) A
B) B
C) C
D) D

Question 46

Questions 45 through 47 refer to the figure below of the coronal CT of the dorsum sella.

Which arrow points to the clinoid process?

A) A
B) B
C) C

Question 47

Questions 53 through 56 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the cochlea (basal turn)?

A) A
B) B
C) C
D) D

Question 48

Questions 45 through 47 refer to the figure below of the coronal CT of the dorsum sella.

Which arrow points to the condyloid process of the mandible?

A) A
B) B
C) C

Question 49

Questions 57 through 61 refer to the figure below of a coronal CT of the inner ear.

Which arrow points to the incus?

A) A
B) B
C) C
D) D
E) E

Question 50

Questions 57 through 61 refer to the figure below of a coronal CT of the inner ear.

Which arrow points to the cochlea (basal turn)?

A) A
B) B
C) C
D) D
E) E

Question 51

Questions 48 through 52 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the mastoid antrum?

A) A
B) B
C) C
D) D
E) E

Question 52

Questions 41 through 44 refer to the figure below of a sagittal CT reformat of the cranium.

Which arrow points to the frontal sinus?

A) A
B) B
C) C
D) D

Question 53

Questions 41 through 44 refer to the figure below of a sagittal CT reformat of the cranium.

Which arrow points to the clivus?

A) A
B) B
C) C
D) D

Question 54

Questions 57 through 61 refer to the figure below of a coronal CT of the inner ear.

Which arrow points to the external auditory meatus (EAM)?

A) A
B) B
C) C
D) D
E) E

Question 55

Questions 48 through 52 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the malleus?

A) A
B) B
C) C
D) D
E) E

Question 56

Questions 48 through 52 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the vestibule?

A) A
B) B
C) C
D) D
E) E

Question 57

Questions 53 through 56 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the malleus?

A) A
B) B
C) C
D) D

Question 58

Questions 53 through 56 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the external auditory meatus (EAM)?

A) A
B) B
C) C
D) D

Question 59

Questions 48 through 52 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the incus?

A) A
B) B
C) C
D) D
E) E

Question 60

Questions 48 through 52 refer to the figure below of an axial CT of the inner ear.

Which arrow points to the internal auditory canal (IAC)?

A) A
B) B
C) C
D) D
E) E

Question 61

Questions 71 through 73 refer to the figure below of a coronal CT of the cranium.

Which arrow points to the anterior clinoid process of sphenoid bone?

A) A
B) B
C) C

Question 62

Questions 66 through 70 refer to the figure below of a 3D CT of the oblique aspect of the facial bones.

Which arrow points to the zygoma?

A) A
B) B
C) C
D) D
E) E

Question 63

Questions 66 through 70 refer to the figure below of a 3D CT of the oblique aspect of the facial bones.

Which arrow points to the mental foramen?

A) A
B) B
C) C
D) D
E) E

Question 64

Questions 66 through 70 refer to the figure below of a 3D CT of the oblique aspect of the facial bones.

Which arrow points to the ramus of mandible?

A) A
B) B
C) C
D) D
E) E

Question 65

Questions 62 through 65 refer to the figure below of an axial CT of the cranium.

Which arrow points to the lambdoidal suture?

A) A
B) B
C) C
D) D

Question 66

Questions 66 through 70 refer to the figure below of a 3D CT of the oblique aspect of the facial bones.

Which arrow points to the zygomatic arch?

A) A
B) B
C) C
D) D
E) E

Question 67

Questions 62 through 65 refer to the figure below of an axial CT of the cranium.

Which arrow points to the occipital bone?

A) A
B) B
C) C
D) D

Question 68

Questions 57 through 61 refer to the figure below of a coronal CT of the inner ear.

Which arrow points to the internal auditory canal (IAC)?

A) A
B) B
C) C
D) D
E) E

Question 69

Questions 62 through 65 refer to the figure below of an axial CT of the cranium.

Which arrow points to the frontal bone?

A) A
B) B
C) C
D) D

Question 70

Questions 71 through 73 refer to the figure below of a coronal CT of the cranium.

Which arrow points to the optic canal?

A) A
B) B
C) C

Question 71

Questions 62 through 65 refer to the figure below of an axial CT of the cranium.

Which arrow points to the mastoid air cells?

A) A
B) B
C) C
D) D

Question 72

Questions 71 through 73 refer to the figure below of a coronal CT of the cranium.

Which arrow points to the pterygoid process of the sphenoid bone?

A) A
B) B
C) C

Question 73

Questions 66 through 70 refer to the figure below of a 3D CT of the oblique aspect of the facial bones.

Which arrow points to the frontal process of maxilla?

A) A
B) B
C) C
D) D
E) E