RADIOLOGIC 302 RAD 302 Skull Quiz And Answers Latest

Chapter 20: Skull 1. How many bones make up the cranium? a. 4 b. 6 c. 8 d. 10 2. How many bones make up the face? a. 6 b. 10 c. 12 d. 14 3. The cranial bones are rigidly jointed together by articulations called: a. joints b. bursae c. sutures d. cartilage 4. Which one of the following is not one of the bones of the cranium? a. maxillae b. frontal c. sphenoid d. occipital 5. Which one of the following is not a facial bone? a. ethmoid b. maxillae c. mandible d. zygomatic bones 6. Which skull suture is found between the frontal and parietal bones? a. sagittal b. coronal c. squamosal d. lambdoidal 7. Which skull suture is located between the parietal bones? a. hyoid b. coronal c. sagittal d. squamosal 8. The bone indicated in the figure below is the: a. parietal b. orbital c. temporal d. zygoma 9. The bone identified in the figure below is the: a. maxilla b. frontal c. mandible d. ethmoid 10. The bone indicated in the figure below is the: a. temporal b. parietal c. occipital d. sphenoid 11. The part of the frontal bone indicated in the figure below is the: a. bregma b. lambda c. glabella d. acanthion 12. The part of the cranial base identified in the figure below is the: a. sella turcica b. foramen ovale c. hypoglossal canal d. foramen magnum 13. The part of the cranial base identified in the figure below is the: a. auditory canal b. dorsum sellae c. greater wing d. petrous portion 14. Which of the following bones contain air sinuses? 1.) ethmoid 2.) frontal 3.) sphenoid a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 15. Which bone has condyles that articulate with the atlas of the cervical spine? a. temporal b. occipital c. parietal d. foramen magnum 16. The zygomatic arches are a part of which bone? a. frontal b. parietal c. temporal d. sphenoid 17. Which bone in the skull contains the auditory organs and the organs of hearing? a. temporal b. sphenoid c. occipital d. ethmoid 18. The petromastoid portion is a part of which bone? a. temporal b. sphenoid c. occipital d. ethmoid 19. The vestibulocochlear organ is the organ of: 1.) hearing 2.) sensation 3.) balance a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 20. Which of the following is located in the middle ear? a. cochlea b. bony labyrinth c. tympanic membrane d. external acoustic meatus 21. Which of the following is located in the internal ear? a. concha b. auditory tube c. tympanic membrane d. semicircular canals 22. The maxillary sinus is located in which bone? a. temporal b. sphenoid c. maxillae d. ethmoid 23. The largest and most dense bone of the face is the: a. maxilla b. mandible c. frontal d. sphenoid 24. The small bone situated at the base of the tongue is the: a. hyoid b. alveolar c. cornu d. styloid 25. The part of the mandible identified in the figure below is the: a. body b. ramus c. symphysis d. alveolar portion 26. The portion of the mandible identified in the figure below is the: a. body b. ramus c. symphysis d. alveolar portion 27. The external landmark identified in the figure below is the: a. glabella b. acanthion c. outer canthus d. infraorbital margin 28. The landmark identified in the figure below is the: a. nasion b. glabella c. acanthion d. auricular point 29. The landmark identified in the figure below is termed the: a. nasion b. glabella c. acanthion d. inner canthus 30. The topographic line shown in the figure below is the: a. glabellomeatal line b. orbitomeatal line c. acanthiomeatal line d. infraorbitomeatal line 31. The topographic line identified in the figure below is the: a. orbitomeatal line b. mentomeatal line c. acanthiomeatal line d. infraorbitomeatal line 32. Which of the following skull types is considered average in size and shape? a. mesocephalic b. brachycephalic c. dolichocephalic 33. Which skull type is narrow from side to side? a. mesocephalic b. dolichocephalic c. brachycephalic 34. In a typically shaped head, the petrous pyramids project anteriorly and medially at what angle? a. 37 degrees b. 40 degrees c. 47 degrees d. 54 degrees 35. Which plane of the head is placed parallel to the plane of the IR for a lateral projection of the skull? a. sagittal b. transverse c. midsagittal d. midcoronal 36. The central ray and center of the IR position for a lateral projection of the skull is: a. 1 inch below the EAM b. 2 inches below the EAM c. 1 inch above the EAM d. 2 inches above the EAM 37. Which of the following is true regarding the lateral projection of the skull? 1.) the midsagittal plane of the head is parallel to the plane of the IR 2.) the interpupillary line is perpendicular to the IR 3.) the mentomeatal line is parallel with the bottom edge of the IR a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 38. Which of the following should be seen superimposed on a lateral projection of the skull? 1.) orbital roofs 2.) external acoustic meati 3.) temporomandibular joints a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 39. Which method of examining the skull will demonstrate the petrous ridges in the orbits, the ethmoid and frontal sinuses, and the crista galli? a. Towne b. Caldwell c. Schüller d. Rhese 40. The central-ray angle for the PA axial (Caldwell) projection of the skull is: a. 5 degrees cephalad b. 10 degrees cephalad c. 12 degrees caudad d. 15 degrees caudad 41. Which of the following is perpendicular to the plane of the IR for a Caldwell projection of the skull? a. glabellomeatal line b. acanthiomeatal line c. orbitomeatal line d. mentomeatal line 42. Often a patient cannot be turned into the prone position for a PA axial projection of the skull (Caldwell method). What central-ray angle could be used if the AP axial projection is used instead? a. 10 degrees caudad b. 15 degrees cephalad c. 10 to 15 degrees caudad d. 10 to 15 degrees cephalad 43. Which of the following lines is placed perpendicular to the plane of the IR for the AP axial (Towne) projection? a. orbitomeatal line b. infraorbitomeatal line c. glabellomeatal line d. acanthiomeatal line 44. If the patient cannot flex the neck to place the orbitomeatal line perpendicular to the IR for an AP axial (Towne) projection, which line should be placed perpendicular? a. acanthiomeatal line b. infraorbitomeatal line c. glabellomeatal line d. mentomeatal line 45. Which of the following is true regarding the placement of the IR for an AP axial (Towne) projection of the skull? 1.) its upper margin is at the level of the top of the cranium 2.) its upper margin is 2 inches above the top of the cranium 3.) its upper margin is 2 inches below the top of the cranium a. 1 only b. 2 only c. 3 only d. 1, 2, and 3 46. Which method of examining the skull is identified in the figure below? a. Haas b. Towne c. Rhese d. Caldwell 47. If the infraorbitomeatal line is placed perpendicular to the IR during an AP axial (Towne) projection of the skull, how much is the central ray angled? a. 15 degrees caudad b. 30 degrees caudad c. 37 degrees caudad d. 45 degrees caudad 48. Which of the following is clearly demonstrated within the foramen magnum during an AP axial (Towne) projection of the skull? 1.) dorsum sellae 2.) sella turcica 3.) posterior clinoid processes a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 49. What is the central-ray angulation for demonstration of the entire foramen magnum during an AP axial (Towne) projection? a. 37 degrees caudad b. 40 degrees caudad c. 60 degrees caudad d. 40 to 60 degrees caudad 50. Which of the following methods will clearly demonstrate the petrous ridges, foramen magnum, dorsum sellae, and posterior clinical processes? 1.) Haas (PA axial) 2.) Towne (AP axial) 3.) Schüller (SMV) a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 51. What is the average central-ray angulation for the PA axial (Haas) projection of the skull? a. 25 degrees caudad b. 25 degrees cephalad c. 30 degrees caudad d. 30 degrees cephalad 52. Which line should be placed parallel to the plane of the IR for the SMV projection of the cranial base? a. acanthiomeatal line b. orbitomeatal line c. infraorbitomeatal line d. mentomeatal line 53. Radiographic demonstration of the cranial base is performed by which method? a. Haas b. Rhese c. Towne d. Schüller 54. What is the central-ray angulation for the SMV projection? a. 0 degrees b. 5 degrees caudad c. 5 degrees cephalad d. 5 to 7 degrees cephalad 55. The x-ray projection demonstrated in the figure below is the: a. SMV b. VSM c. AP axial d. PA axial 56. For an SMV projection of the cranial base, the central ray should always be perpendicular to the: a. mentomeatal line b. orbitomeatal line c. infraorbitomeatal line d. acanthiomeatal line 57. Which of the following are clearly demonstrated on an SMV projection of the cranial base? 1.) mastoid process 2.) sphenoid process 3.) carotid canals a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 58. Which of the following methods will demonstrate the optic canal? a. Rhese b. Towne c. Schüller d. Caldwell 59. Which line is placed perpendicular to the IR for the parietoorbital oblique (Rhese) projection of the optic canal? a. mentomeatal line b. acanthiomeatal line c. orbitomeatal line d. infraorbitomeatal line 60. How many degrees is the head rotated for the parietoorbital (Rhese) projection of the optic canal? a. 30 degrees b. 45 degrees c. 53 degrees d. 60 degrees 61. The central-ray angulation for the parietoorbital (Rhese) projection of the optic canal is: a. 0 degrees b. 5 degrees c. 10 degrees d. 15 degrees 62. Which of the following would be demonstrated in the projection shown in the figure below? a. petrous ridge b. sphenoid sinus c. optic canal d. zygomatic arch 63. How many bones are contained in the skull? a. 8 b. 14 c. 22 d. 24 64. The bones of the cranium are joined together by fibrous joints called: a. diploë b. sulci c. sutures d. cartilage 65. Which of the following bones is contained in the floor of the cranium? 1.) ethmoid 2.) sphenoid 3.) temporal a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 66. Which of the following bones are contained in the calvarium? 1.) frontal 2.) parietal 3.) temporal a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 67. The suture located between the occipital bone and the parietal bones is the: a. lambdoidal b. squamosal c. sagittal d. corona 68. The suture identified on the figure below is the: a. coronal b. squamosal c. sagittal d. lambdoidal 69. The bone identified on the skull below is the: a. temporal b. parietal c. occipital d. sphenoid 70. The bone identified on the skull below is the: a. temporal b. parietal c. zygoma d. sphenoid 71. The six areas of incomplete ossification in a newborn infant's skull are called the: a. sulci b. sutures c. diploë d. fontanels 72. The opening into the apex of the orbit for the transmission of the optic nerve and ophthalmic artery is called the: a. optic canal b. foramen c. foramina ovale d. foramina rotundum 73. Which of the following foramina lie in the sphenoid bone? 1.) optic foramen 2.) jugular foramen 3.) foramina rotundum a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 74. The superior aspect of the sphenoid bone contains a deep depression that contains the: a. pituitary gland b. pineal gland c. carotid sulcus d. optic canal 75. The part of the sphenoid bone identified in the figure below is the: a. clivus b. foramen magnum c. sella turcica d. dorsum sellae 76. The part of the sphenoid bone identified in the figure below is the: a. clivus b. clinoid processes c. sella turcica d. dorsum sellae 77. The posterior half of the base of the skull is formed by which bone? a. temporal b. sphenoid c. occipital d. parietal 78. The large aperture in the occipital bone, through which the medulla oblongata and spinal cord exit, is termed the: a. foramen magnum b. basilar part c. occipital protuberance d. hypoglossal canal 79. The base of the anterior portion of the occipital bone contains two large openings that allow blood vessels and nerves to pass through. These two openings are called the: a. jugular foramen b. foramen magnum c. foramen ovale d. hypoglossal canal 80. The thickest and densest portion of bone in the cranium is the: a. mastoid portion of the temporal bone b. petrous portion of the temporal bone c. basilar part of the occipital bone d. glabella of the frontal bone 81. The base of the temporal bone contains an opening through which the internal carotid artery passes and is termed the: a. foramen spinosum b. foramen ovale c. foramen lacerum d. jugular foramen 82. Which facial bone contains a foramen through which the tear duct passes? a. nasal b. palatine c. maxillae d. lacrimal 83. Which two facial bones form the roof of the mouth? 1.) maxillae 2.) vomer 3.) palatine bones a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 84. What type of joint is the TMJ? a. synovial-hinge b. synovial-gliding c. synovial-ellipsoidal d. synovial-hinge and gliding 85. Which parts of the patient's face touch the table for a PA axial projection (Caldwell method)? 1.) forehead 2.) nose 3.) chin a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 86. Which of the following are demonstrated on an AP axial (Towne method) projection of the skull? 1.) petrous pyramids 2.) occipital bone 3.) posterior portion of the foramen magnum a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 87. For an optimal image of the mastoid process, which of the following must occur? 1.) use of a 0.6-mm focal spot or less 2.) use of a high-resolution screen/IR 3.) use of the smallest possible field size a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 88. Which of the following is not one of the essential projection methods of demonstrating the mastoid process? a. Mayer b. Arcelin c. Stenvers d. modified Law 89. How much is the face rotated from the lateral position for the axiolateral projection (modified Law method) of the mastoid process? a. 10 degrees b. 12 degrees c. 15 degrees d. 45 degrees 90. What is the central-ray angulation for the modified Law method of demonstrating the mastoid process? a. 10 degrees caudad b. 12 degrees caudad c. 15 degrees caudad d. 45 degrees caudad 91. Where does the central ray enter the skull for the modified Law method of demonstrating the mastoid process? a. 2 inches posterior and 2 inches superior to the EAM b. 2 inches anterior and 2 inches inferior to the EAM c. 2 inches superior to the uppermost EAM d. 2 inches inferior to the uppermost EAM 92. Which axiolateral projection of the mastoid process is demonstrated in the figure below? a. Mayer method b. Arcelin method c. Stenvers method d. modified Law method 93. How many degrees is the face rotated from the lateral position for the Stenvers method of demonstrating the mastoid process? a. 15 degrees b. 45 degrees c. 10 to 15 degrees d. 35 to 45 degrees 94. What is the central-ray angulation for the Stenvers method of demonstrating the mastoid process? a. 12 degrees cephalad b. 15 degrees cephalad c. 45 degrees cephalad d. 10 to 15 degrees cephalad 95. Which of the following methods of examining the mastoid process will place the petrous ridge parallel with the plane of the IR? 1.) Law 2.) Arcelin 3.) Stenvers a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3 96. Which line is placed parallel with the transverse axis of the IR for the Stenvers method of demonstrating the mastoid process? a. orbitomeatal line b. infraorbitomeatal line c. acanthiomeatal line d. mentomeatal line 97. Which method of demonstrating the mastoid process is particularly useful with children and adults who cannot be placed in the prone position? a. Law b. modified Law c. Arcelin d. Stenvers 98. How much is the head rotated for the axiolateral oblique projection (Arcelin method) of demonstrating the mastoid process? a. 10 degrees b. 12 degrees c. 15 degrees d. 45 degrees 99. What is the central-ray angulation for the Arcelin method of demonstrating the mastoid process? a. 10 degrees caudad b. 10 degrees cephalad c. 12 degrees caudad d. 12 degrees cephalad 100. Which line is placed perpendicular to the plane of the IR for the Arcelin method of demonstrating the mastoid process? a. orbitomeatal line b. infraorbitomeatal line c. acanthiomeatal line d. glabellomeatal line