RTE 1503 Study Guide Final Exam 2025-2026 \newest
version with complete questions and verified answers
\latest update 2025-2026
What projection/position is demonstrated?
PA Chest
1. Pt. erect How do you position a patient for a PA Chest?
2. Hands are on hips.
3. Shoulders rotated forward
4. Coronal plane parallel &
midsagittal plane
perpendicular.
5. Expose on 2nd full
inspiration.
Where is the CR directed on the PA Chest?
- Enters the midsagittal plane
@ the level of T7 (inferior
angle of scapula)
- 7-8" below the vertebral
prominens
1. Lungs What anatomy is demonstrated on the PA Chest?
2. Heart
3. Great vessels (SVC,
INC, Aorta,
Pulmonary
arteries/veins)
4. Diaphragm below ribs 1-10
5. Costophrenic angles
6. Apices
What projection/position is demonstrated?
Left Lateral Chest
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1. Pt. erect How do you position the patient
2. Hands & arms above head. for a Left Lateral Chest?
3. Coronal plane
perpendicular &
midsagittal plane
parallel
4. Expose on 2nd full
inspiration
Where is the CR directed on a Left Lateral Chest?
Enters the midcoronal plane
@ the level of T7
1. Lungs What anatomy is demonstrated
2. Heart on the Left Lateral Chest?
3. Great vessels (SVC,
INC, Aorta,
Pulmonary
arteries/veins)
4. Hemi-diaphragms are
superimposed
5. Costophrenic angles &
posterior ribs
superimposed
What projection/position is demonstrated?
AP Semierect Chest
1. Pt.erect, semi-erect, or How do you position a patient for
supine. a AP Semierect Chest?
2. Arms down by side
3. Coronal plane parallel &
midsagittal plane
perpendicular.
4. Expose on 2nd full
inspiration
Where is the CR directed on a AP
- Enters the midsagittal plane
Semierect Chest?
@ the level of T7 (mid
sternum)
- 3-4" below jugular notch
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1. Lungs What anatomy is demonstrated
2. Heart on a AP Semierect Chest?
3. Great vessels (SVC,
INC, Aorta,
pulmonary vessels)
4. Diaphragm below ribs 1-10
5. Costophrenic angles
6. Apices
What projection/position is demonstrated?
AP Left Lateral Decubitus
Chest
1. Pt. R or L lateral recumbent How do you position a patient for
2. Arms above head a AP Left Lateral Decubitus
3. Horizontal x-ray beam Chest?
(demonstrates air- fluid
levels, pleural effusion)
4. Sponge under chest
5. Expose on 2nd full
inspiration
Where is the CR directed on a AP
- Enters the midsagittal plane
Left Lateral Decubitus Chest?
@ the level of T7 (mid
sternum)
- 3-4" below jugular notch
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1. Pathology of down side What anatomy is demonstrated
lung (rule out pleural on a AP Left Lateral Decubitus
effusion, fluids) Chest?
2. R decubitus shows right lung
3. L decubitus shows left lung
What projection/position is demonstrated?
AP Lordotic Chest
1. Pt. erect with back against How do you position a patient
the Wall Bucky for a AP Lordotic Chest?
2. Hands on hips
3. Move feet 1 ft. forward &
arch back
4. Expose on 2nd full
inspiration
Where is the CR directed on a AP Lordotic Chest?
Enters the midsagittal plane
@ the level of T7 (mid
sternum)
If the patient is supine and
cannot arch back for the AP
Angle the CR 15-20 degrees
cephalad Lordotic Chest, what does the
radiographer do?
What anatomy is demonstrated
The clavicles are above the on a AP Lordotic Chest?
lungs Pathology of the
Apices
What projection/position is demonstrated?
RAO Chest
What projection/position is demonstrated?
LAO Chest
How do you position a patient
1. Pt. erect
2. Body rotated LAO & RAO for a RAO/LAO Chest?
45 degrees
3. Expose on 2nd full
inspiration
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