Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
XR 105 final
| Question | Answer |
|---|---|
| the bones that surround the brain are referred to collectively as | the cranium or the skull |
| where is the glabella? | on the frontal bone between the eyebrows |
| where are the orbits? | on either side of the glabella, on the outer surface of the superior portions of the eye sockets |
| where is the external occipital protuberance? | in the approximate center of the occipital bone, on the outer surface is a palpable bony protuberance |
| the large round hole in the anterior portion of the occipital bone is called the | foramen magnum |
| what passes through the foramen magnum? | blood vessels, and the spinal cord |
| which bone forms the anterior floor of the cranium? | the ethmoid bone |
| what does EAM stand for? | external auditory meatus |
| on which cranial bone is the EAM? | the temporal bone |
| a long slender horizontal bony projection just superior to the EAM | zygomatic arch |
| joints that connect the bones of the cranium are called | sutures |
| the palpable bones of the face are called | facial bones |
| the largest immovable bone of the face is the | maxilla |
| the maxilla articulates with all other facial bones except | the mandible |
| where is the acanthion (UH-CAN-THEE-ON) | at the junction of the nose and the upper lip |
| which facial bone is the only movable bone of the face? | the mandible |
| the bone that is posterior to the acanthion at the floor of the nasal cavity and forms the inferior portion of the nasal septum and divides the nasal cavity is called the | vomer |
| which bones are small thin bones that form a portion of the medial wall of the orbit? | lacrimal bones |
| the paranasal sinuses are air-filled cavities within which bones? | ethmoid, frontal, sphenoid, maxilla |
| what is the purpose of the paranasal sinuses | resonating chambers for the voice, to help to warm and moisted inhaled air |
| the sinuses develop during childhood but are not fully formed until what age? | 16-18 |
| the frontal sinuses are located in which bone? | frontal bone |
| the maxillary sinuses are located where? | in the body of the maxilla |
| the sphenoid sinuses occupy most of the body of the | sphenoid bone |
| the 2 ethmoid sinuses are located within the lateral masses of which bone? | the ethmoid bone |
| where is the nasion? | in the anterior depression in the midline of the skull between the orbits |
| where is the glabella? | the smooth area between the eyebrows just above the nose |
| where is the acanthion | at the base of the anterior nasal spine |
| the outer point on either side of the lower jaw at which the jawbone angles upward is the | gonion |
| the canthus is located at either corner of the eye where the upper and lower eyelids meet. there are 2, what are they called? | the inner canthus and the outer canthus |
| which cranial bone is most posterior | the occipital bone |
| which cranial bone is most anterior? | the frontal bone |
| which cranial bone has a dense pyramid of bone that houses the middle and inner ear? | the temporal bone |
| the name of the pyramid that houses the middle ear | the petrous pyramid |
| describe the IOML | infraorbitaomeatal line |
| describe the OML | orbitomeatal line |
| describe the MML | memtomeatal line |
| what is the term used for the articulations between the cranial bones | sutures |
| in which bone can the foramen magnum be found? | the occipital bone |
| which bone of the skull is the mastoid process located on? | the temporal bone |
| air-filled cavities located in some of the facial bones are called | paranasal sinuses |
| which facial bones have paranasal sinuses? | frontal, ethmoid, sphenoid, maxilla |
| there are several imaginary lines used to position the skull and facial bones, which line connects the outer canthus to the EAM? | OML |
| what is the angle on the tube for a PA axial projection of the skull (Caldwell) | 15 degrees caudad |
| which projection of the skull best demonstrates the frontal bone? | PA |
| when the CR is angles 30 degrees caudad at a point 2.5" above the glabella, what projection is this? | Townes |
| which projection demonstrates the structures of the cranial base? | SMV |
| a lateral projection of the face using detail screens and NO GRID is used for which facial bone? | nasal bones |
| why do we do sinuses upright? | air-fluid levels |
| where is a blow-out fracture? | the floor of the orbit |
| which facial bone is most frequently fractured? | the nasal bones |
| when demonstrating a fracture of the zygomatic arch, which radiographic position is the patient in | SMV |
| a blow to the head that causes unconsciouness is called | cerebral concussion |
| what is multiple myeloma? | a hematologic (blood) cancer that develops in the bone marrow of most bones |
| what structures must be seen in the lateral projection of the skull? | a lateral image of the entire cranium, with no rotation or tilt, paired structures should be seen superimposed, and the sella turcica in profile |
| in the Caldwell projection of the skull, where do we see the petrous pyramids? | in the lower one-third of the orbits |
| how many degrees of angle on the tube for the Towne method? | 30 caudad |
| the PA projection of the skull and the mandible are the same, with the exception of the location of the CR. what's the difference? | skull = nasion, mandible = acanthion |
| which positioning line is parallel to the film for the SMV projection? | OML |
| what are the breathing instructions for the patient when radiographing the skull | hold your breath, don't move |
| which modality is preferred for head trauma | CT |
| what can u see on CT that you cant see on xray? | information about the brain |
Created by:
cambridgeuniversity
Popular Radiology sets