All Skull
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| The cranial bones are rigidly jointed together by articulations called: | Sutures
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| The opening into the apex of the orbit for the transmission of the optic nerve and ophthalmic artery is called the: | Optic foramen
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| Where should the IR be centered for a parietocanthial projection of the facial bones? | Acanthion
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| Which of the following skull types is considered average in size and shape? | Mesocephalic
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| The large aperture in the occipital bone, through which the medulla oblongata and spinal cord exit, is called the: | Foramen magnum
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| Which of the following skull types is narrow from side to side? | Dolichocephalic
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| Which skull suture is found between the frontal and parietal bones? | Coronal
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| Which skull suture is found between the parietal bones? | Sagittal
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| Which facial bone contains a foramen through which the tear duct passes? (Hint: smallest bone in the skull) | Lacrimal
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| Which skull suture is between the temporal and parietal bones? | Squamosal
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| The posterior half of the base of the cranium is formed by which bone? | Occipital
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| What line is placed perpendicular to the image receptor for the AP axial (Townes) projection? | OML
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| What is the largest sinus in the human skull? | Maxillary
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| At what age is the cranium fully developed? | 12 years old
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| What line is placed parallel to the plane of the image receptor for the SMV projection of the cranial base? | IOML
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| For a lateral projection of the facial bones, where should the image receptor be centered? | Zygomatic bone
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| The parientoacanthial projection of the facial bones is commonly called: | Waters Method
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| What is the average central ray angulation for the PA axial (Haas) projection of the skull? | 25 degrees cephalad
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| What is the largest, most dense bone in the face? | Mandible
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| What is a function of the sinuses? | Decrease the weight of the human skull
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| What is the respiration phase for all projections of the facial bones and sinuses? | Suspended respiration
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| What plane of the head is placed parallel to the plane of the image receptor for a lateral projection of the skull? | MSP
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| How many bones make up the cranium? | 8
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| The zygomatic arches are apart of which bone? | Temporal
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| Which method of examining the skull will demonstrate the petrous ridges in the orbits, the ethmoid and frontal sinuses, and the crista galli? | Caldwell Method
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| For a lateral projection of the facial bones, where should the central ray enter? | Halfway between the outer canthus and the EAM
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| The ethmoidal sinuses are located within which portion of the bone? | Labyrinths
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| For the Waters Method of the facial bones, the orbitomeatal line is placed at what angle to the image receptor? | 37 degrees
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| How many bones make up the face? | 14
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| Which sinus is projected through the mouth on the open-mouth modification of the Waters Method? | Sphenoidal
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| Which bone contains the the auditory organs and the organs of hearing? | Temporal
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| Which part of the patient's face is touching the upright bucky, or table, for a parietoachanthial projection (Waters Method)? | Chin
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| The small bone situated at the base of the tongue is the: | Hyoid
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| What are the bones that make up the orbits? | Maxilla
Lacrimal
Palatine
Ethmoid
Frontal
Zygoma
Sphenoid
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| Where does the central ray exit for the PA axial (Caldwell) projection of the skull? | Nasion
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| How many bones are contained within the skull? | 22
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| If the patient cannot flex the neck to place the orbitomeatal line perpendicular to the image receptor for an AP axial (Townes) projection, which line should be placed perpendicular? | IOML
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| What must be projected below the maxillary sinuses for the parietoacantial projection (Waters Method) of the sinuses? | Petrous Ridges
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| What is the central ray angulation for the PA axial (Caldwell) projection of the skull? | 15 degrees caudal
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| What line is perpendicular to the image receptor for a PA axial (Caldwell) projection of the skull? | OML
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| Which projection of the skull requires the MSP to be positioned parallel and interpupillary line perpendicular to the image receptor? | Lateral
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| Which two facial bones make up the mouth? | Maxillae and palatine bones
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| What are the six areas of incomplete ossification in a newborn infant called? | Fontanelles
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| What is placed perpendicular to the image receptor for the acanthioparietal projection (Reverse Waters Method) of the facial bones? | MML
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| How many bones make up the orbits? | 7
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| Which line is perpendicular to the image receptor for the PA and PA axial mandibular rami? | OML
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| Oftentimes, a patient cannot be turned into the prone position for a PA axial projection of the skull (Caldwell Method). What central ray angle would be used if the AP axial projection is used instead? | 15 degrees cephalic
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| Which bone has condyles that articulate with the atlas of the cervical spine? | Occipital
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