18 Questions
What is the main purpose of accurately locating lines, planes, and points in the skull and facial bones?
To ensure accurate and reproducible position necessary for high quality imaging
What divides the skull into two symmetrical right and left halves when viewed from the anterior aspect?
Median sagittal plane
What is the primary focus of skull radiography?
Radiological investigation of the cranial space and associated bony structures
What is the plane that divides the skull into anterior and posterior halves?
Auricular plane
What is the purpose of good patient care before, during, and after skull procedures?
To reduce anxiety and ensure the patient's cooperation
What is the line that connects the centers of the orbits and is at 90° to the median sagittal plane?
Interpupillary line
What is the position of the patient in the FO spine projection?
Supine position
What are the small cavities located inside each petrous ridge that house the structures of?
Middle and inner ear
What is the angle of the x-ray beam in the PA axial (Caldwell) projection?
15°/25°/30° caudad
What forms the prominent, diagonally oriented petrous ridge in the floor of the cranial cavity?
Temporal bone
Which of the following is NOT a basic radiographic landmark of the skull?
Sternal notch
What is the name of the bone that forms the lower jaw?
Mandible
What is the function of the dorsum sellae?
Provides structural support to the pituitary gland and surrounding anatomical structures
What is characteristic of a true lateral positioning?
Sella turcica and clivus seen in profile with no rotation
What is Paget's disease?
A common bone disease of unknown cause associated with excessive bone destruction
What is the sella turcica?
A saddle-shaped depression in the sphenoid bone of the skull
What is the function of the clinoid processes?
Unknown, as they are just bony projections
What is neoplastic process?
Any abnormal growth of new tissue, either benign or malignant
This quiz covers the basics of skull radiography, including patient preparation, x-ray room equipment, and accessories needed for radiographic procedures. It also emphasizes the importance of good patient care.
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