Question

31. Provide examples where projection and positioning during routine x-ray procedures can be used to reduce patient exposure and provide radiation protection in a procedure involving exposure to ionizing radiation.

32. Describe briefly the differences in designating an area as a “Radiation Area”, “High Radiation Area” and a “Very High Radiation Area” with respect the potential risk from exposures to ionizing radiation.

33. Provide at least two examples where excellent projection and positioning in X-ray imaging can be used effectively to reduce patient exposure and provide radiation protection

34. With regard to your knowledge of radiation effects, truthfulness and the basic considerations with respect to providing information to patients discussed in your text how would you respond to a teenager (female) and her parents that are concerned about potential reproductive risks from a CT scan and bone scans needed to evaluate for osteosarcoma?

Answer 1

Examples for specific body projections during X-ray procedure to reduce patient exposure and provide radiation protection

Axial projection

Inferosuperior and superoinferior axial projections

Tangential projection: Zygomatic arch projection and Tangential projection of patella

AP axial projection—lordotic position

Transthoracic lateral projection (right lateral position)

Dorsoplantar and plantodorsal projections

Parietoacanthial and acanthioparietal projections

Submentovertex (SMV) and verticosubmental (VSM) projections

Examples for specific body positions during X-ray procedure to reduce patient exposure and provide radiation protection

Lateral position

Oblique position

Left and right posterior oblique (LPO and RPO) positions

Right and left anterior oblique (RAO and LAO) positions

Decubitus (decub) position

Right or left lateral decubitus position

Dorsal decubitus position

Ventral decubitus position