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150 Cards in this Set

  • Front
  • Back
found in each lobe
segment
where vessels enter a lung
hilum
superior portion of the lung
apex
inferior portion of the thoracic cavity
diaphragm
respiratory organ
lung
major airway tube
trachea
number of lobes in the right lung
three
side of lung where vessels enter
medial
double-walled, serous membrane sac
pleura
respiratory sacs
alveoli
anterior bony wall of the miediastinum
sternum
area between the lungs
mediastinum
mediastinal organ
heart
mediastinal blood vessel
aorta
major section of a lung
lobe
this lung has two lobes
left
inferior part of a lung
base
pertaining to the chest cavoty
thoracic
these branch from the trachea
bronchi
sperates a lung into lobes
fissure
which cavity contains the heart and lungs
thoracic
which structures seperates the thoracic cavity from the abdominal cavity
diaphragm
which part of the thoracic cavity contains all thoracic organs except the lungs and the pleurae?
mediastinum
which bony structure forms the anterior border of the mediastinum
sternum
what mediastinal structure consists of C-shaped cartilaginous rings?
trachea
what area of the trachea divides into two lesser tubes?
carina
what structures branch from the distal end of the trachea
primary bronchi
which primary bronchus is shorter and wider than the other
right lung
what thoracic structures are the organs of respiration
lungs
what is the name of the medial aspect of each lung inwhich the primary bronchus enters
hilum
what is the name of the superior portion of each lung?
apex
which structures are at the terminal end of the respiratory system
alveoli
how many lobes are found in the right lung? left lung?
right-3
left=2
why is the right lung shorter and wider than the left one?
becuase of its close proximity to the heart and the liver
name the three portions of the pleura?
inner layer-visceral pleura
outer layer- parietal pleura
space between layers- pleural cavity
what is the recommended SID for a chest PA and lateral projection
72 inches... to reduce magnification of the thoracic structures
why is is perferable to have the patient upright for a chest PA and lateral projection?
to allow the diaphragm to reach its lowest level and to prevent engorgement of the pulmonary vessels.
which body plane should be perpendicular and centered to the midline of the image receptor?
midsaggital
with reference to the patient, where should the upper border of the IR be placed (chest PA/LAT projection)
about 1 1/2 to 2 inches above the top of the shoulders
what is the purpose of depressing the shoulders? (chest PA/LAT projection)
to keep the clavicals below the apecies
why should the shoulders be rotated forward? (chest PA/LAT projection)
to move the scapulae laterally away from the lung fields
what special positioning instructions may be given to a woman with large, pendulous breasts to avoid superimposing the lower part of the lung fields. (chest PA/LAT projection)
instruct the patient to pull her breasts upward and laterally
what is most likely to happen to the image if the patient were to remove one shoulder from contact with the grid device prior to the exposure of the radiograph. (chest PA/LAT projection)
the sternal ends of the clavicals would no longer be equidistant from the vertebral column
how and where should the central ray be directed. (chest PA/LAT projection)
perpindicular to the center of the IR and midsaggital plane at the level of T 7
breathing insructions (chest PA/LAT projection)
take in a breath and blow it out, then take in another full breath and hold it. (suspend respiration after the second full inspiration)
significance of breathing instructions
the greatest area of lung structures is demonstrated in full expansion and without strain after the patient suspends breathing on a second inspiration
list two reasons why exposures can be made affter both inspiration and expiration
to demomstrate pneumothorax or to check for a foreign body
to demonstrate the heart. why should the exposure be made after normal inspiration rather than deep inspiration
to prevent elongation of the heart caused by a full inferior movement of the diaphragm
how many posterior ribs should be seen above the diaphragm with proper full inspiration?
10
1-4 critical evaluations criteria that indicate a patient was positioned proerly for a PA projection.
the trachea should be visible in the midline
the heart and the diaphragm should show sharp outlines.
10 posterior ribs should be shown above the diaphragm
the scapeula should be projected outside of the lung field
5-8 critical evaluations criteria that indicate a patient was positioned proerly for a PA projection.
the exposure should clrearly demonstrate the lung field
the entire lung field from the apecies to the costophrenic angles should be seen
No rotation; the sternal ends of the clavicals should be equidistant from the vertebral column
a faint shadow of the ribs and superior thoracic vertebrae should be seen through the shadow of the heart
(lateral projection) Which thoracic structures are of primary interest with the left lateral projection
heart and the left lung f
which thoracic structure is of primary interest in the right lateral projection
right lung
what body plane should be perpindicular and centered to the midline of the IR(lateral projection)
midcoronal
describe how thee patients arms should be postioned(lateral projection)
extend the arms directly upward, flex the elbows, and with the forearm resting of the elbows, hold the arms in this position
how far above the shoulders should the upper border of the IR be placed?(lateral projection)
1 1/2 to 2 inches
what breathing instructions should be given to the patient?(lateral projection)
suspend breathing after the second full inspiration
how and where should the CR be directed and centered?(lateral projection)
perpindicular to the midline of the IR, entering the patient at the midcoronal plane at t7
True/false the midsagittal plane should be placed perpindicular to the plane of the IR
(lateral projection)
False the midsagittal plane should be parallel with the plane of the IR
A lateral projection radiograph of the chest should be placed on an illuminator so that the side of the patient where the centeral ray entered is nearer the viewer(lateral projection)
true
T/F the patients heart will apear larger in the right lateral projection radiograph than in the left lateral projection radiograph
true
1-4 evalutation criteria that indicate the patient was positioned properly for a lateral projection
1. the heart and the diophragm should be seen in sharp outline
2. the sternum should be seen in lateral view without rotations
3. penetration of lung fields and heart should be clearly seen
4the ribs shouls be superimposed posterior to the vertebral column
5-9 evalutation criteria that indicate the patient was positioned properly for a lateral projection
neither the arm nor its soft tissues overlap the superior lung field
the hilum should be seen in the center of the radiograph
the thoracic intervertebral spaces shoud be open
the costophrenic angles and lower apecies of lungs should be clearly demonstrated
the long axis of lung fields should be demonstarted int he vertical position without forward/backward leaning
what is the name of the area between the two pleural cavities?
mediastinum
what structure is not demonstrated within the mediastinum in PA projection of the chest?
diaphragm
which pathologic condition of the lung involves the replacement of air with fluid in the lung interstitium and aveoli?
pulmonary edema
why should the chest be performed with a 72 inch SID
to minimize magnification of the heart
why should the chest be performed after the pateint has suspended respiration after the second inspiratioin?
to better expand the lungs
with refernce to the IR, how are the midsagittal plane and the midcoronal plane positioned for the PA projection of the chest?
midsaggital: perpindicular
midcoronal:parallel
for the PA projection of the chest, which positioning maneuver should be performed to best remove scapula from lung field
rotate the shoulders forward
why would the chest most likely be demonstrated using two PA projections ( in which the patient is seen in suspended inspiration and suspended expiration)
to demonstrate a pneumothorax
which of the following way is an effective way to detect rotation of the patient with the PA projection radiograph of the chest
the assymentrical appearance of the sternoclavicular joints
For which projection of the chest should the midsagittal plane be parallel with the IR
lateral projection
with refence to the IR how are the midcoronal plane and midsagittal plane postioned for the lateral projection of the chest
midcoronal:perpindicular
midsagittal:parallel
which projection of the chest best demonstrates lung apecies free from superimposed with the clavicals
AP axial projection lordotic position (lindblom meathod)
how many degrees should the patient be rotated for PA oblique projection of the chest to evalute the heart and great vessels?
RAO 45 degrees LAO 55 to 60 degrees
how many degreess should the patient be rotated for PA oblique projections of the chest to evauluate the lungs?
RAO: 45 degrees
LAO: 45 degrees
using a lateral decubitus position for patients who are unable to stand upright best demonstrates which of the following pathologic conditions of the chest
air or fluid levels
with refence to the IR how are the midsagittal plane and the midcoronal plane positoined for the AP chest ( left lateral decubitusposition)
midsagittal: perpindicular
midcoronal: parallel
which pathologic condition of the lungs is best demonstrated with the ap chest, right lateral decubitus position
free air in the left side or fluid levels in the right side
which radiograogic postion requires that the patient be placed supine with the IR placed vertically against the patient's right side and a horizontal central ray directed to the center of the IR
dorsal decubitus
what radiographic position requires that the patient be placed prone>
ventral decubitus
which evaluation criterion pertains to the PA projection radiogrpah of the chest
ten posterior ribs should be visible above the diaphragm
which evaluation criterion pertains to the PA projection radiograph of the chest
the scapula should be projected outside the lung field
which evaluation criterion pertains to the lateral projection of the chest
the ribs posterior to the vertebral column should be superimposed
which evaluation criterion pertains to the AP axial projection, lordotic postion radiograph of the chest
the ribs should appear distorted
which evaluation criterion pertains to the AP axial projection, lordotic postion radiograph of the chest
the clavicals should lie superior to the apecies
Pa oblique: right anterior oblique(RAO) and left anterior oblique (LAO) which side the one closer or the one farther from the IR is generally the side of interest?
the one farther from the IR
which side of the chest right or left is of primary interest with the PA oblique projection RAO postion
left
with refence to the patient where should the upper border of the IR be placed?( PA oblique projections RAO LAO)
1 1/2 to 2 inches above the vertebral promins
when performing the PA oblique projection, RAO position, how many degrees should the patient be rotated
45 degrees
what determmins how many degrees the patient shoauld be roated for the PA oblique LAO position
the desires structures to be deomstrated ( more rotation oftent the heart is of primary interest)
when performing the PA oblique projection LAO position, to demonstrate lungs, how many degrees should the patient be rotated?
45
when performing the PA oblique projection LAO position, to demonstrate the heart and the great vessels how many degreees should the patient be rotated?
55 to 60
with refernce to the patient respiration, when should the exposure be made
after the second full inspiration
what level of the patient should the CR be diected
T7
wich PA oblique projection provides the best view of the left atrium and the entire left branch of the bronchial tree
right PA oblique projectin (RAO position)
T/F when viewing a PA oblique projection radiiograph, the patients left side should be toward the viewer's right side
true
when viewing a PA oblique projection radiiograph (LAO position) the left lung should be partially superimposed by the spine
true
the heart and the midastinal structures should be clearly demomstrated within the lung field of the elevated side in oblique images of 45 degrees of body rotation
true
which side the one closer or the one farther from the IR is generally the side of interst?
(AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
the one closer to the IR
Which AP obliques image the RPO or the LPO position demonstrates the maximum area of the left lung
(AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
left AP oblique ( LPO position)
what is the minium recommemded SID(AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
72 inches
which Ap oblique projection produces an image very similar to that produced by the PA oblique projection RAO position
AP oblique projection LPO position
how many degrees should the patient be rotated (AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
45 degrees
how far above the shoulders should the upper border of the IR be placed (AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
1 1/2 to 2 inches above the vertebral promins or about 5 inches above the jugular notch
what breathing instructions should be given to the patient(AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)?
stop breathing after the second full inspiration
to what level of the patient should the CR be directed
(AP oblique projections right posterior oblique RPO and lfeft posterior oblique LPO positions)
3 inches below the jugular notch
what is the recommened SID
(AP projection)
72 inches or 60 depending on the equiptment limitations
what body plane should be centered to the midline of the IR
(AP projection)
midsagittal
with reference to the patient where should the IR be placed?
(AP projection)
the upper border of the IR should be placed 1 1/2 to 2 inches about the relaxed shoulders
if the patients condition permits, how should the arms be positioned?
(AP projection)
with the elbows flexed, pronate the hands and place them on the hips to draw the scapula laterally
what breathing instructions should be given to the patient
(AP projection)
stop breathing after the second full inspiration
why should the patient perform the recommened breathing instructions
(AP projection)
to ensure maxium expansion of the lungs
to what level of the patient should the CR be directed(AP projection)
3 inches below the jugular notch
AP versus PA
heart and great vessels?
the heart and great vessels appear somewhat magnified
Ap versus PA
lungs
the lung field appears shorted
Ap versus PA
clavicals
the clavicals are projected higher
Ap verus PA
ribs
assume a more horizontal appearance
1-3 evaluation criteria that the patient was positioned
properly for an AP projection
the trachea should be seen in the midline
the lung field should be seen from the apecies to the costophrenic angles
the medial portion of the clavicals should be equidistant from the vertebral column
4-6 evaluation criteria that the patient was positioned
properly for an AP projection
a faint image of the ribs and thoracic vertebrae should be seen through the heart shadow
The clavicals will lie more horizontally and will obscure more of the apeccies than in the PA projections
The distant from the vertebral column to the lateral border of the ribs should be equidistant on both sides
(AP axial projection, lordotic position) which portion of the lungs is generally the area of primary interest
apex
(AP axial projection, lordotic position) descrivbe how the patient should be positioned
witht the patient standing and facing the x ray tube, instruct the patient to move about 1 foot in front of the vertical grid device and lean backward, placing the upper back in contact with the grid device. The elbows should be flexed and the posterior surface of the hand should be placed on hips to better rotate the shoulders forward
(AP axial projection, lordotic position) What breathing instructions should be given>
stop breathing after the second full inspiration
(AP axial projection, lordotic position) where should the centeral ray enterr the patient
on the midsagittal plane on the mid sternum
1-3 evaulaution criteria to see if the patient was positioned properly for an AP axial projection and lordotic position
the clavicals should lie superiorly to the apecies
the apecies and lungs should be included in their entirely
the sternal ends of the clavicals should be equidistant from the vertebral column
4 and 5evaulaution criteria to see if the patient was positioned properly for an AP axial projection and lordotic position
the ribs should appear distorted with their anterior and posterior portion shomwhat superimposed
(lateral decubitus position) what is the general purpose for using this position
to demonstrate air or fluid levels in the thorax
(lateral decubitus position)
T/F the patient can be postioned upright in lateral decubitus position
False the patient must be on their side in lateral decubitus position
(lateral decubitus position)
T/F the IR must be placed veritcally against the patient
true
(lateral decubitus position)
T/F the projection must be either AP or PA
true
(lateral decubitus position)
T/F the central ray must be directed horiztonally
true
(lateral decubitus position)
T/F the affected side should be up to demonstrate fluid level
false to demonstrate fluid level the affected side must be down
(lateral decubitus position)
T/F both sides should be seen in their entirley
false only the affected side needs to be seen enitrly
(lateral decubitus position)
if fluid in the right side of thorax needs to be deomstrated with a lateral ducubitus position in which body position should the patient be placed?
right lateral recumbent
which side of the thorax, right or left, will best demonstrate free air when the patient is in the left lateral decubitus position
right
to demonstarte free air in the thorax with a lateral decubutus position, why is it perferable to position the pateint with the affected side up instead of with the affected side down
to enable free air in the thorax to rise and to be better visulaized against the lateral border of the ribs instead of overlying the vertebral column
(lateral decubitus position) what breathing instructions should be given to the patient
stop breathing after the second full inspiration
1-3 evalution criteria to indicate that the patient was postioned proprerly for a lateral decubitus postion
the apecies should be included
the affected side should be included in its entirely
the patient should not be rotated from its true frontal postion
4 and 5evalution criteria to indicate that the patient was postioned proprerly for a lateral decubitus postion
the patients arms should be removed from the field of interest
proper indentification should be visible to indicate that the decubitus position was used
(ventral and dorsal decubitus)
for the dorsal decubitus position the patient must be placed in what postion
supine
for the ventral decubitus position the patient must be placed in
the prone position
in addition to being perpindicular to the IR the central ray must also be directed ( ventral dorsal decubitus)
horizontally
(ventral and dorsal decubitus) how much should the thorax be elevated
2-3 inches
(ventral and dorsal decubitus) how long should the patient remain in this position
5 mins to allow the fluid to settle or the air to rise
(ventral and dorsal decubitus) with refecnce to the patient how and where should the IR be placed
vertically with the top of the IR at the level of the thyroid cartilage
(ventral and dorsal decubitus) How should the patients arms be positioned
extend the arms well above the head
(ventral and dorsal decubitus) concerning respiration when should the exposure be made
after the second full inspiration
where shoud the CR enter the patient (ventral and dorsal decubitus)
on the midcoronal plane approx 3-4 inches distal to the jugular notch for the dorsal decubutus and at T7 for ventral decubitus
1-4 evaluation criteria to indicate that the patient was positioned properly for a dorsal/ventral decubutis position
the arms should not obscure the upper lung field
the thorax should not be rotated from a true lateral postion
proper identification should be visible to indicate that the decubitus position was used
the entire lung field includiing the anterior and posterior surfaces should be demonstarted