VERIFIED SOLUTIONS
What projections of the abdomen may be used to demonstrate air or fluid levels?
dorsal and lateral decubitus
Positioning the patient for a lateral projection of the chest, patient should be examined?
upright
Demonstrating the pulmonary apices when performing the AP projection, the CR direction is
15-20 cephalic (towards the head)
The left lateral decubitus position of the abdomen is most often used to demonstrate?
free fluid on the left side and free air on the right side
The following position is required to demonstrate small amounts of fluid in the plueral cavity?
lateral decubitus, affected side down
The ridge that marks the bifurcation of the trachea into left and right primary bronchi is the ?
carina
During chest radiograph, the act of inspiration does what?
raises ribs and depresses the abdominal visera
With the patient recumbent and CR directed horizontally, the patient is said to be in the
_________position?
decubitus
What are the mediastinal strutures?
trachea, esophagus, thymus gland, heart, great vessels
What is the criteria used to evaluate a PA projection of the chest?
1. 10 posterior ribs should be visualized
2. SC joints should be symmetrical
3. scapula should be outside the lungs fields
What is the advantage of performing a PA projection of the abdomen instead of the AP projection?
PA gives a lower gonadal dose
Why should a chest radiograph be performed with a 72 in SID?
minimize the heart
What kVp range should you utilize for chest radiograph?
110-120 kVp
, What structures separate the thoracic cavity from the abdominal cavity?
diaphragm
What structure should be visualized on an AP upright projection of the abdomen?
diaphragm
What is the purpose of depressing the shoulders for a PA projection of the chest?
to keep the clavicles below the apices
For an upright projection of the abdomen where should be CR be directed?
2 in above the iliac crest
With reference to the patient, where should the upper border of the cassette be placed for a PA
projection of the chest?
1 1/2 -2 inches above the top of the shoulders
In order to best demonstrate the right lung using the oblique position, the patient should be placed in
the ?
LAO and RPO position
If a patient is unable to stand for an AP upright projection of the abdomen the following should be
performed?
left lateral decubitus
Which projection of the chest best demonstrates lung apices free from superimposition with the
clavicles?
AP axial projection (lordotic position)
Why is it advisable to have the patient remain in the lateral recumbent position several mins before
performing a decubitus film of the chest?
for fluid and free air to settle approx. 10-20 mins (5 mins min)
What is the breathing instructions for the chest (PA)?
2 breaths, raises ribs, it depresses the diaphragm
What is the commonly used acronym that refers to the AP projection of the abdomen?
KUB, kidney, ureter, bladder
How many lobes in the right lung?
3 lobes
kVp range should be utilized for abdomen radiograph?
70-75 kVp