Correct Answers 2026 Updated.
four physiological features and individual may exhibit if having difficulty breathing - Answer
1. cyanosis
2. dyspnea
3. use of accessory muscles
4. nostril flaring
describe assessment findings with ineffective airway clearance - Answer -adventitious breath
sounds (wheezing, stridor, crackles)
-changes in HR and BP
-sputum
-altered rate and depth of respiration (apnea, Kussmauls, hyper/hypoventilation)
describe process of hyperinflation of a pt before suctioning - Answer involves use of Ambu
bag connected to oxygen
-squeeze bag to allow to oxygenation, giving a break between hyperinflations
hypoxia - Answer lack of oxygen in the body
symptoms of hypoxia - Answer -rapid pulse
-shallow RR
-dyspnea
-nostril flaring
-restlessness
-retractions
-cyanosis (late sign)
what laboratory values tell you the most information about effective gas exchange? - Answer
arterial blood gas
teaching steps for instructing a pt on the use of an incentive spirometer - Answer 1. sit
upright
2. put mouthpiece in mouth and close lips tightly around it
3. exhale completely
, 4. inhale as deeply as you can, watching piston rise up
5. hold breath for 10 sec, then exhale
6. repeat
purpose of turning, coughing, and deep breathing - Answer coughing loosens secretions and
deep breathing encourages lung expansion
how long should you apply intermittent suctioning while suctioning a pt? - Answer 10-15 sec
what factors influence pt's ability to transport O2 from lungs to body? - Answer -cardiac
output
-number of RBCs and hematocrit
-exercise
what information is important to document after trach suctioning of a pt? - Answer -color,
odor, consistency, and amount of secretions
-pt resp. status
-pt tolerance of procedure
nasal cannula: liter flow of O2 and concentration - Answer 1-4 L 20-40%
simple face mask: liter flow of O2 and concentration - Answer 5-8 L 40-60%
partial rebreather mask: liter flow of O2 and concentration - Answer 8-11 L 40-70%
nonrebreather mask: liter flow of O2 and concentration - Answer 10-15 L 80-95%
venturi mask: liter flow of O2 and concentration - Answer 12-15 L 24-60%
-depends on type
face tent: liter flow of O2 and concentration - Answer 4-8 L 30-80%
physical assessment findings in pt who has achieved effective breathing patterns - Answer
12-20 breaths per min, symmetry, no visible effort, quiet with no wheezing or panting
factors that impact transport of O2 from lungs to tissue - Answer -CO2 levels