NBRC / TMC / RRT Exam 2025 Prep Test Bank with
300 most recently Tested Questions and Correct
Answers/ Respiratory Therapist Certification Exam
Test Bank Latest
extra pulmonary air indicates: - ...ANSWER...✓✓ -
pneumothorax
-pneumoperitoneum
-pneumomediastinum
-pneumopericardium
-sub cu. emphysema
Epiglottitis: - ...ANSWER...✓✓ -above glottis
-confirm with lat. neck cxr; supraglottic narrowing with
enlarged flattened epiglottis
-thumb sign
Tx: intubate
Croup (laryngotracheobronchitis) - ...ANSWER...✓✓
infection of upper airway characterized by a barky cough
seen in children
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CXR: tracheal narrowing with subglottic swelling (steeple
sign, picket fence, pencil point, hour glass)
Treatment: racemic epi and O2
ETT Placement: - ...ANSWER...✓✓ 2-6 cm above carina--
level of aortic arch
To confirm- first listen to breath sounds, then CXR
AP radiograph: - ...ANSWER...✓✓ front to back
PA radiograph - ...ANSWER...✓✓ back to front
Lateral radiograph - ...ANSWER...✓✓ sides
Oblique CXR - ...ANSWER...✓✓ standing/diagonal- lesions
Lateral decubitus - ...ANSWER...✓✓ lying on AFFECTED
side-- pleural effusions
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Apical lordotic - ...ANSWER...✓✓ tops of lungs used to
confirm TB
End exp. image - ...ANSWER...✓✓ detect small pnuemos
Confirming quality of CXR image - ...ANSWER...✓✓ -
clavicles are level
- penetration- vertabrae visible just behind heart
-mediastinum- area between lungs, heart, blood vessels
and bronchi are found
-vascular markings
Enlarged Heart in CXR - ...ANSWER...✓✓ cardiomegaly---
CHF- pericardial effusion
Normal CXR - ...ANSWER...✓✓ -hemidiaphragms
-R diaphragm elevated (liver underneath)
-L diaphragm at level of 6 anterior rib
-trachea midline
-bilateral radiolucent appearance
-sharp costophrenic angles