This term describes how a patient is lying on the x-ray table
What is Position?
The chief muscle of respiration
What is the diaphragm?
For a PA chest X-ray, the patient should position their shoulders this way
What is shoulders rolled inward?
This chest projection best demonstrates the apices of the lungs
What is AP Lordotic?
This acronym stands for 'As Low As Reasonably Achievable'
What is ALARA?
This term describes the path or direction of the x-ray beams
What is Projection?
The three sections of the pharynx
What are Nasopharynx, Oropharynx, and Laryngopharynx?
In AP Lordotic positioning, the patient stands this far from the IR and leans back.
What is about a foot from the IR?
The breathing instructions for chest X-rays typically involve this action
What is 'take a deep breath in and hold'?
The midline dose in mrad for a Lateral chest X-ray
What is 40 mrad?
AP stands for this in radiographic positioning
What is Anterior Posterior?
This bronchus is wider and shorter than its counterpart
What is the right bronchus?
For Anterior Oblique chest positioning, the patient is rotated this many degrees
What is 45 degrees?
For a PA chest X-ray, the central ray is placed at this level
What is T7?
The midline dose in mrad for a PA chest X-ray
What is 17 mrad?
This term describes the center of the x-ray beam
What is Central Ray
The double-walled sac that contains each lung
What is the pleura?
These are the two basic routine projections of the chest
What are PA and Lateral?
The standard SID (Source-Image Distance) for chest radiography
What is 72 inches?
According to radiation safety, this is the minimum number of projections always taken when performing imaging
What is 2 projections?
The percentage of distance between blacks, grays, and whites on a radiograph
What is Contrast?
The right lung has this many lobes, while the left lung has one fewer
What is 3 lobes (right) and 2 lobes (left)?
This chest position best demonstrates pathology posterior to the heart
What is Lateral?
When performing a chest lateral position, the patient's arms should be in this position
What is arms elevated?
One of the Cardinal Rules of radiation safety involves maintaining this from the x-ray beam
What is the farthest distance?