Deck 2: Cranium and Facial Bones

Question 1

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

Answer 1

A

Question 2

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 2

B

Question 3

Which of the following is a structure of the osteomeatal unit?

A) Vestibule
B) Oval window
C) Uncinate process
D) Condyloid process

Answer 3

C

Question 4

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

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

Question 5

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 6

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 7

The zygomatic arch is formed by the zygoma and the:

A) Maxilla
B) Parietal bone
C) Temporal bone
D) Mandible

Question 8

Which structure of the sphenoid bone houses the pituitary gland?

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

Question 9

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 10

The hypoglossal canals are located within which cranial bone?

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

Question 11

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

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

Question 12

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 13

The petrosal nerve passes through the:

A) Foramen rotundum
B) Foramen spinosum
C) Optic canal
D) Pterygoid canal

Question 14

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

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

Question 15

Cranial nerve XII passes through the _____ canal.

A) Vidian
B) Pterygoid
C) Hypoglossal
D) Optic

Question 16

The cribriform plate is part of which cranial bone?

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

Question 17

The foramen magnum is a structure of which cranial bone?

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

Question 18

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 19

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

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

Question 20

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 21

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

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

Question 22

The following questions refer to the figure below of a coronal CT of the ethmoid bone.
Which line points to the vomer?

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

Question 23

The following questions refer to the figure below of a coronal CT of the ethmoid bone.
Which line points to the middle nasal meatus?

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

Question 24

The internal auditory canal transmits cranial nerves:

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

Question 25

The term for the anterior fontanel is the:

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

Question 26

The following questions refer to the figure below of an axial CT of the orbit.
Which line points to the optic canal?

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

Question 27

Which fontanel is located at the junction of the parietal and occipital bones?

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

Question 28

Two openings 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 29

The following questions refer to the figure below of a coronal CT of the ethmoid bone.
Which line points to the ethmoid sinuses?

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

Question 30

The infraorbital foramen is part of which facial bone?

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

Question 31

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 32

Which structure of the inner ear is responsible for hearing?

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

Question 33

The following questions refer to the figure below of a coronal CT of the ethmoid bone.
Which line points to the cribriform plate?

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

Question 34

The stylomastoid foramen constitutes the end of the _____ canal.

A) Optic
B) Pterygoid
C) Facial nerve
D) Hypoglossal

Question 35

Which cranial fossa is formed primarily by the body of the sphenoid and temporal bones and houses the pituitary gland, hypothalamus, and temporal lobes of the brain?

A) Anterior
B) Posterior
C) Middle
D) Lateral

Question 36

Which cranial fossa is formed by the occipital and temporal bones and contains the cerebellum and brainstem?

A) Anterior
B) Posterior
C) Middle
D) Lateral

Question 37

The frontal sinuses drain into the:

A) Sphenoethmoidal recess
B) Superior nasal meatus
C) Middle nasal meatus
D) Inferior nasal meatus

Question 38

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 39

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

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

Question 40

The following questions refer to the figure below of an axial CT of the orbit.
Which line points to the dorsum sellae?

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

Question 41

The following questions refer to the figure below of a sagittal CT reformat of the cranium.
Which line points to the sphenoid sinus?

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

Question 42

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the incus?

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

Question 43

The following questions refer to the figure below of an axial CT of the temporal bone.
Which line points to the sphenoid sinus?

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

Question 44

The following questions refer to the figure below of the coronal CT of the dorsum sella.
Which line points to the temporal bone?

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

Question 45

The following questions refer to the figure below of a coronal CT of the orbit.
Which line points to the temporalis muscle?

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

Question 46

The following questions refer to the figure below of a coronal CT of the orbit.
Which line points to the inferior rectus muscle?

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

Question 47

The following questions refer to the figure below of the coronal CT of the dorsum sella.
Which line points to the posterior clinoid process?

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

Question 48

The following questions refer to the figure below of a sagittal CT reformat of the cranium.
Which line points to the occipital bone?

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

Question 49

The following questions refer to the figure below of a sagittal CT reformat of the cranium.
Which line points to the frontal sinus?

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

Question 50

The following questions refer to the figure below of a coronal CT of the orbit.
Which line points to the superior oblique muscle?

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

Question 51

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the mastoid antrum?

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

Question 52

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the malleus?

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

Question 53

The following questions refer to the figure below of an axial CT of the temporal bone.
Which line points to the carotid canal?

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

Question 54

The following questions refer to the figure below of a sagittal CT reformat of the cranium.
Which line points to the clivus?

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

Question 55

The following questions refer to the figure below of an axial CT of the orbit.
Which line points to the zygoma?

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

Question 56

The following questions refer to the figure below of an axial CT of the orbit.
Which line points to the anterior clinoid process?

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

Question 57

The following questions refer to the figure below of an axial CT of the temporal bone.
Which line points to the inferior orbital fissure?

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

Question 58

The following questions refer to the figure below of an axial CT of the temporal bone.
Which line points to the jugular foramen?

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

Question 59

The following questions refer to the figure below of the coronal CT of the dorsum sella.
Which line points to the condyloid process of the mandible?

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

Question 60

The following questions refer to the figure below of the coronal CT of the dorsum sella.
Which line points to the foramen lacerum?

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

Question 61

The following questions refer to the figure below of an axial CT of the cranium.
Which line points to the lambdoidal suture?

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

Question 62

The following questions refer to the figure below of an axial CT of the cranium.
Which line points to the mastoid air cells?

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

Question 63

The following questions refer to the figure below of a 3D CT of the oblique aspect of the facial bones.
Which line points to the zygoma?

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

Question 64

The following questions refer to the figure below of a 3D CT of the oblique aspect of the facial bones.
Which line points to the mental foramen?

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

Question 65

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the malleus?

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

Question 66

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the carotid canal?

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

Question 67

The following questions refer to the figure below of an axial CT of the cranium.
Which line points to the frontal bone?

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

Question 68

The following questions refer to the figure below of a coronal CT reformat of the inner ear.
Which line points to the external auditory meatus (EAM)?

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

Question 69

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the internal auditory canal (IAC)?

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

Question 70

The following questions refer to the figure below of a coronal CT reformat of the inner ear.
Which line points to the incus?

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

Question 71

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the vestibule?

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

Question 72

The following questions refer to the figure below of a coronal CT reformat of the inner ear.
Which line points to the cochlea (basal turn)?

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

Question 73

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the external auditory meatus (EAM)?

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

Question 74

The following questions refer to the figure below of an axial CT of the inner ear.
Which line points to the cochlea (basal turn)?

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

Question 75

The following questions refer to the figure below of a coronal CT reformat of the inner ear.
Which line points to the internal auditory canal (IAC)?

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

Question 76

The following questions refer to the figure below of a 3D CT of the oblique aspect of the facial bones.
Which line points to the zygomatic arch?

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

Question 77

The following questions refer to the figure below of an axial CT of the cranium.
Which line points to the occipital bone?

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

Question 78

The following questions refer to the figure below of a 3D CT of the oblique aspect of the facial bones.
Which line points to the frontal process of maxilla?

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

Question 79

The following questions refer to the figure below of a coronal CT reformat of the inner ear.
Which line points to the superior semicircular canal?

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

Question 80

The following questions refer to the figure below of a 3D CT of the oblique aspect of the facial bones.
Which line points to the ramus of mandible?

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