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thx rad

QuestionAnswer
what structures form the bony thorax? sternum, 12 pairs of ribs, 12 thoracic vertebrae
what are the three parts of the sternum? manubrium, body, xiphoid process
what function does the sternum have? supports the clavicles at the superior manubrial angles and attachment to costal cartilages of first 7 pairs of ribs
what level vertebrae does the xiphoid process correspond with? T10
where do the costal cartilages of the 1st-7th ribs attach? sternum
where do the ribs of the 8th-10th ribs attach? costal cartilage of the 7th ribs
what are true ribs? first 7 ribs
what are false ribs? 8th-12th ribs
what are floating ribs? 11th-12th because they are only attached to the vertebrae
In an AP oblique projection of the THX, which side is of interest? side closest to the IR
In a PA oblique projection of the THX, which side is of interest? side farthest from the IR
SID for AP supine THX? 60-72"
The Lindlom method demonstrates? pulmonary apices
The Lindblom method is also referred to as? Lodotic
CR angle for the Lindlom method? perpendicular, no angle
how far should a patient stand from the IR when a Lindlom projection? 1ft
Respiratory phase for AP axial projection of pulmonary apices? suspended after 2nd full inspiration
CR angle for pt in the decubitus position? horizontal
What is the CR angle if a patient can't get into position for a Lindlom projection? 15-20 degrees, cephalic
How long should a patient be in position before exposure, while in the lateral or dorsal decubitus position? 5-10 minutes
If a lateral decubitus is used to demonstrate fluid what side should the patient lie on? affected side down
If a lateral decubitus is used to demonstrate free air, what side should the patient lie on? unaffected side down
what are the 4 decubitus positions for the THX? AP, PA, lateral right, lateral left
the thoracic cavity contains? lungs, heart, thymus
oxygen and carbon dioxide exchange occur where? alveoli of the lungs
the costophrenic angle is found where? lungs
the smallest division of the bronchial tree? terminal bronchioles
compare the right and left primary bronchus? right is shorter and wider and more vertical than the left
where are more foreign bodies entering the trachea more likely to be found? right bronchus because it is more vertical and wider
at the last tracheal cartilage, the trachea divide/bifurcates into the primary bronchi, what is the area of bifurcation called? carina
describe the location of the trachea in the thorax? shifted slightly to the right of the midline b/c of the aorta
the lungs are composed of a light, spongy, highly elastic substance called? parenchyma
describe the left and right lungs? the right is about 1" shorter than the left b/c of the large space occupied by the liver and position of the heart
the depression in the mediastinal surface is called? hilum
serous membrane sacs that enclose the lungs? pleura
the space between the pleural walls? pleural cavity
name the lobes of the right and left lungs? right:superior, inferior, horizontal and middle. left:superior, inferior
respiration for PA oblique rib (above diaphragm)projection RAO or LAO position? suspended at the end of full expiration
respiration for PA oblique rib (below diaphragm)projection RAO or LAO position? suspended at the end of full inspiration
position of the body for a PA oblique rib projection using RAO or LAO? chest against IR, body at 45 degree angle with affected side away from IR
position of the body for an AP oblique rib projection using RPO or LPO? back against IR, body at 45 degree angle with affected side closest to the IR
respiration for AP rib projection (above diaphragm)? suspended at full respiration to depress diaphragm
respiration for an AP ribs projection (below diaphragm)? suspended after full expiration to elevate diaphragm
how is the IR positioned for an AP rib projection, above the diaphragm? lengthwise, top of IR 1 1/2" above relaxed shoulders
how is the IR positioned for an AP rib projection, above the diaphragm? crosswise, lower edge of IR at level of iliac crests
respiration for PA upper ribs? suspended at full inspiration to depress diaphragm
where is the CR centered for PA rib projection? center of the IR at the T7 level
which ribs are better demonstrated in a PA rib projection? anterior ribs 1st-9th)above the diaphragm
respiration for PA heart/lung projection? suspended after 2nd full inspiration to ensure max expansion of lungs
respiration for PA heart/lung projection if looking for pneumothorax? suspended after full expiration
CR for PA heart/lung projection? perpendicular to IR entering at T7 level
SID for PA heart/lung projection? 60-72" to reduce magnification of the heart
SID for lateral heart/lungs projection? 60-72" to reduce magnification of the heart
in a lateral heart/lung projection, which position L or R better demonstrates the heart? left lateral
respiration for lateral heart/lung projection? suspended after 2nd full inspiration
CR angle for lateral heart/lung projection? perpendicular to the center of the IR entering the midconronal plane the T7 level
laryngeal prominence is located where? C5
SID for lateral sternum projection? 72"
the heart is located in the chest at what vertebral level? T5-T8
what type body habitus requires crosswise IR for the THX? hyperstenic
how many ribs are visible in an upright PA thx projection? 10 ribs
how many ribs are visible in a recumbant PA thx projection? 9 ribs
Created by: srehrauer
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