RRT National Board Exam Review ACTUAL
QUESTIONS AND CORRECT ANSWERS
What are the 3 reason O2 is given? - CORRECT ANSWER decrease WOB, Tx
hypoxemia, decrease myocardial work
Radiolucent - CORRECT ANSWER dark air pattern
Radiodense - CORRECT ANSWER white pattern solid fluid
Infiltrate - CORRECT ANSWER any ill defined radio density
Consolidation - CORRECT ANSWER solid white area
Hyperlucency - CORRECT ANSWER extra pulmonary air
Vascular markings - CORRECT ANSWER Lymphatic vessels lung tissue ( increased
markings in CHF, decreased markings with pneumothorax)
Diffuse - CORRECT ANSWER spread throughout
Opaque - CORRECT ANSWER fluid/solid
Fluffy infiltrates (Kurley A) - CORRECT ANSWER pulmonary edema (cardiogenic)
Butterfly/bat wing - CORRECT ANSWER pulmonary edema (non cardiogenic )
Patchy/platelike infiltrates - CORRECT ANSWER atelectasis
Ground glass appearance (reticulograndular) - CORRECT ANSWER ARDS/IRDS
Honeycomb (reticulondular) - CORRECT ANSWER ARDS/IRDS/ILD
Air bronchogram - CORRECT ANSWER pneumonia/ edema
Peripheral wedge-shaped infiltrate - CORRECT ANSWER pulmonary embolism
Concanve superior interface/ border - CORRECT ANSWER pleura effusion
Basilar infiltrates with meniscus - CORRECT ANSWER pleura effusion
, Bleb - CORRECT ANSWER air filled pocket > 1 cm
Bullae - CORRECT ANSWER air filled pocket < 1 cm
White/gray sputum - CORRECT ANSWER asthma/ chronic bronchitis
Bright red sputum (Hemoptysis) - CORRECT ANSWER fresh blood, tumor, TB
Yellow sputum - CORRECT ANSWER increased WBC, bacterial infection
Brown/ dark sputum - CORRECT ANSWER old blood
Pink froth - CORRECT ANSWER pulmonary edema
Green foul smelling - CORRECT ANSWER Pseudomonas or anaerobic infection
Green sputum - CORRECT ANSWER stagnant sputum, gram negative bacteria
(bronchiectasis, pseudomonas)
Normal pao2 range - CORRECT ANSWER 80-100 mm Hg
Mild Hypoxia range - CORRECT ANSWER 60-80 mm Hg
Moderate hypoxia range - CORRECT ANSWER 40-60 mm Hg
Severe hypoxia range - CORRECT ANSWER <40
Calculation for total room air - CORRECT ANSWER 100-x/x-21 (< or equal to 40%
fio2)
100-x/x-20 (> 40% fio2)
Calculation for total flow - CORRECT ANSWER air : O2 ratio > air + O2 x LPM
Calculate how many LPM patient is receiving - CORRECT ANSWER air + O2 / total
flow
AHI ranges (Sleep Apnea) - CORRECT ANSWER <5 normal
5-15 mild sleep apnea
15-30 moderate sleep apnea
>30 server sleep apnea
QUESTIONS AND CORRECT ANSWERS
What are the 3 reason O2 is given? - CORRECT ANSWER decrease WOB, Tx
hypoxemia, decrease myocardial work
Radiolucent - CORRECT ANSWER dark air pattern
Radiodense - CORRECT ANSWER white pattern solid fluid
Infiltrate - CORRECT ANSWER any ill defined radio density
Consolidation - CORRECT ANSWER solid white area
Hyperlucency - CORRECT ANSWER extra pulmonary air
Vascular markings - CORRECT ANSWER Lymphatic vessels lung tissue ( increased
markings in CHF, decreased markings with pneumothorax)
Diffuse - CORRECT ANSWER spread throughout
Opaque - CORRECT ANSWER fluid/solid
Fluffy infiltrates (Kurley A) - CORRECT ANSWER pulmonary edema (cardiogenic)
Butterfly/bat wing - CORRECT ANSWER pulmonary edema (non cardiogenic )
Patchy/platelike infiltrates - CORRECT ANSWER atelectasis
Ground glass appearance (reticulograndular) - CORRECT ANSWER ARDS/IRDS
Honeycomb (reticulondular) - CORRECT ANSWER ARDS/IRDS/ILD
Air bronchogram - CORRECT ANSWER pneumonia/ edema
Peripheral wedge-shaped infiltrate - CORRECT ANSWER pulmonary embolism
Concanve superior interface/ border - CORRECT ANSWER pleura effusion
Basilar infiltrates with meniscus - CORRECT ANSWER pleura effusion
, Bleb - CORRECT ANSWER air filled pocket > 1 cm
Bullae - CORRECT ANSWER air filled pocket < 1 cm
White/gray sputum - CORRECT ANSWER asthma/ chronic bronchitis
Bright red sputum (Hemoptysis) - CORRECT ANSWER fresh blood, tumor, TB
Yellow sputum - CORRECT ANSWER increased WBC, bacterial infection
Brown/ dark sputum - CORRECT ANSWER old blood
Pink froth - CORRECT ANSWER pulmonary edema
Green foul smelling - CORRECT ANSWER Pseudomonas or anaerobic infection
Green sputum - CORRECT ANSWER stagnant sputum, gram negative bacteria
(bronchiectasis, pseudomonas)
Normal pao2 range - CORRECT ANSWER 80-100 mm Hg
Mild Hypoxia range - CORRECT ANSWER 60-80 mm Hg
Moderate hypoxia range - CORRECT ANSWER 40-60 mm Hg
Severe hypoxia range - CORRECT ANSWER <40
Calculation for total room air - CORRECT ANSWER 100-x/x-21 (< or equal to 40%
fio2)
100-x/x-20 (> 40% fio2)
Calculation for total flow - CORRECT ANSWER air : O2 ratio > air + O2 x LPM
Calculate how many LPM patient is receiving - CORRECT ANSWER air + O2 / total
flow
AHI ranges (Sleep Apnea) - CORRECT ANSWER <5 normal
5-15 mild sleep apnea
15-30 moderate sleep apnea
>30 server sleep apnea
