RTE 1503 FINAL PAPER 2026
CERTIFICATION EVALUATION QUESTIONS
AND ANSWERS FULL SOLUTION A+
●● PA CXR Criteria
Answer: Entire lungs included
No rotation = right and left clavicles symmetric at same distance from
spine laterally
Shoulders rolled forward = Scapulae removed from lungs
Full inspiration = 10 posterior ribs
Sufficient elevation of the chin = Apices free of superimposition of chin
Sufficient KVp and penetration of heart = Shadow of spine through heart
●● Lateral Chest
Answer: CR T-7
14x17 IR Lengthwise
Lower CR 1 inch from T7 for Pt w/ broad shoulders
this will compensate for OID and
divergence of beam
, ●● Lateral CXR criteria
Answer: Entire lungs included
No rotation = superimposition of posterior ribs
Posterior ribs separated More than 1 cm demonstrates rotation
Sufficient elevation of the chin = Apices free of superimposition of chin
●● AP Supine CXR
Answer: CR T7; 3-4 inches inferior to jugular notch at level of axilla
CR angled 5° caudad to be perpendicular to sternum.
This angulation Prevents superimposition of the clavicles and apices
●● Semi-Erect CXR
Answer: CR T7; 3-4 inches inferior to jugular notch at level of axilla
CR angled caudad to be perpendicular to sternum and IR.
This angulation Prevents superimposition of the clavicles and apices
●● Criteria Supine & Semi-erect CXR
Answer: Image is Similar to PA except
Heart appears magnified due to OID
Air-fluid levels are not clearly defined
Frequently not a complete inspiration therefore it is acceptable to see
only 8 to 9 posterior ribs
CERTIFICATION EVALUATION QUESTIONS
AND ANSWERS FULL SOLUTION A+
●● PA CXR Criteria
Answer: Entire lungs included
No rotation = right and left clavicles symmetric at same distance from
spine laterally
Shoulders rolled forward = Scapulae removed from lungs
Full inspiration = 10 posterior ribs
Sufficient elevation of the chin = Apices free of superimposition of chin
Sufficient KVp and penetration of heart = Shadow of spine through heart
●● Lateral Chest
Answer: CR T-7
14x17 IR Lengthwise
Lower CR 1 inch from T7 for Pt w/ broad shoulders
this will compensate for OID and
divergence of beam
, ●● Lateral CXR criteria
Answer: Entire lungs included
No rotation = superimposition of posterior ribs
Posterior ribs separated More than 1 cm demonstrates rotation
Sufficient elevation of the chin = Apices free of superimposition of chin
●● AP Supine CXR
Answer: CR T7; 3-4 inches inferior to jugular notch at level of axilla
CR angled 5° caudad to be perpendicular to sternum.
This angulation Prevents superimposition of the clavicles and apices
●● Semi-Erect CXR
Answer: CR T7; 3-4 inches inferior to jugular notch at level of axilla
CR angled caudad to be perpendicular to sternum and IR.
This angulation Prevents superimposition of the clavicles and apices
●● Criteria Supine & Semi-erect CXR
Answer: Image is Similar to PA except
Heart appears magnified due to OID
Air-fluid levels are not clearly defined
Frequently not a complete inspiration therefore it is acceptable to see
only 8 to 9 posterior ribs
