Quiz 1 Flashcards
(130 cards)
Refers to the study of patient positioning performed for radiographic demonstration or visualization of specific body parts on image receptors (IRs).
Radiographic Positioning
‒ The process and procedures of producing a radiograph.
Radiography
specifically refers to the physical piece of material on which a latent (nonprocessed) radiographic image is stored
x-ray film
includes the recording medium and the image.
radiograph
‒ The device that captures the radiographic image that exits the
patient; refers to both film-screen cassettes and digital acquisition devices.
Image receptor (IR)
‒ Refers to the centermost portion of the x-ray beam emitted
from the x-ray tube—the portion of the x-ray beam that has the least divergence.
Central ray (CR)
Four common planes as used in medical imaging are as
follows:
- Sagittal 2. Coronal
- Horizontal 4. Oblique
sometimes called the median plane, is a midline sagittal plane that divides the body into equal right and left parts. It passes approximately through the sagittal suture of the skull.
Midsagittal plane
Any longitudinal plane that divides the body into right and left parts.
Sagittal Plane
Any longitudinal plane that divides the body into anterior and posterior parts.
Coronal Plane
divides the body into approximately equal anterior and posterior parts.
Midcoronal plane
Any plane parallel to the midsagittal or median plane is called
sagittal plane
Any plane parallel to the midcoronal or frontal plane is called
coronal plane
Any transverse plane that passes through the body at right angles to a longitudinal plane, dividing the body into superior and inferior portions.
Horizontal (axial) plane
A longitudinal or transverse plane that is at an angle or slant and is not parallel to the sagittal, coronal, or horizontal plane.
Oblique Plane
used in orthodontics and cranial topography to measure and locate specific cranial points or structures.
Frankfort horizontal plane
This horizontal plane is formed by the biting surfaces of the upper and lower teeth with jaws closed (used as a reference plane of the head for cervical spine and skull radiography).
Occlusal Plane
Refers to the back half of the patient, or the part of the body seen when the person is viewed from the back; includes the bottoms of the feet and the backs of the hands as demonstrated in the anatomic position
Posterior/Dorsal
Refers to front half of the patient, or the part seen when viewed from the front; includes the tops of the feet and the fronts or palms of the hands in the anatomic position.
Anterior/Ventral
refers to the sole or posterior surface of the foot.
Plantar
refers to the top or anterior surface of the foot (dorsum pedis).
Foot Dorsal
‒ Refers to the palm of the hand; in the anatomic position, the same as the anterior or ventral surface of the hand.
Palmar
is a positioning term that describes the direction or path of the CR of the x-ray beam as it passes through the patient, projecting an image onto the IR.
Projection
‒ Lying on back,facing upward.
Supine