LRA 214 week 1 review

where is the central ray places for a lateral projection of the upper airway

C6-C7 between the thyroid cartilage and juglar notch

T/F a grid is not recommended for an LPO projection of the adult chest

False

which posterior oblique projection would best elongate the left thorax RPO or LPO

LPO left posterior oblique

what is the name of the condition characterized by free air entering the pleural cavity

Pneumothorax

which anterior oblique projection would best elongate the left thorax (RPO or LPO)

RAO right anterior oblique

what circumstances or clinical indication suggest that an AP lordotic projection should be ordered

Rule out calcifications and masses beneath the clavicles

The CR is placed at the level of the _____ for the PA chest projection

T7

where should the top of the IR be for a CXR

This method includes placing the top of the IR 1½ to 2 inches (4 to 5 cm) above the shoulders

why should a left lateral be performed unless departmental protocol indicated otherwise

accurately demonstrates heart region

An erect chest PA radiograph aids the patient to achieve full inspiration and helps prevents ____ and ____ of the pulmonary vessels

engorgement, hyperemia

T/F: No lead shielding is necessary for male patients or women older than age 65 during radiographic imaging of the chest.

false

proper technical factors for a chest radiograph

high KV 110 to 125, grid, high mA, short exposure time

which specific position would be used if the patient were unable to stand but the physician suspected that the patient had fluid in the left lung

lateral decubitus

For certain studies of the heart the _____ anterior oblique requires a rotation of ____ degrees

left, 60

what are the recommended patient instructions when performing an erect PA chest on a female patient with larger breasts

lift them up and outward

respiration

picture should be taken at second inspiration because its deeper and removes diaphragm

what is the name of the condition characterized by fluid entering the pleural cavity?

pleural effusion

A PA chest radiograph reveals that the left sternoclavicular SC joint is closer to the spine than the right joint. what specific positioning error has occurred?

rotation into the LAO positioning

the shoulders need to be rolled forward for the PA projection to allow the ______ to move laterally and be clear of the lungs

scapulae

careful collimation during a chest radiograph will improve image quality by decreasing _____ radiation to the IR

scatter

how much separation of the posterior ribs on a lateral chest projection indicated excessive rotation from a true lateral position

1cm

to prevent the clavicles from obscuring the apices on an AP projection of the chest, the central ray should be angles ____ so that it is perpendicular to the ____

5 degrees, sternum

why is a PA chest preferred to an ap projection

AP has magnification on heart

what position/projection would be used for a patient who is too ill or weak to stand up for an AP lordotic projection?

AP semiacial projection

which specific position would be used if a patient were unable to stand but the physician suspected that the patient had fluid in the left lung.

AP semiacial projection