correct 2026/2027
A 52 year-old post-operative cholecystectomy patient's breath sounds become more coarse upon
completion of postural drainage with percussion. The respiratory therapist should recommend
A. continuing the therapy until breath sounds improve
B. administering dornase alpha.
C. administering albuterol therapy.
D. deep breathing and coughing to clear secretions. - correct answer deep breathing and coughing to
clear secretions.
A 65 kg spinal cord injured patient has developed atelectasis. His inspiratory capacity is 30% of his
predicted value. What bronchial hygiene therapy would be most appropriate initially?
A. IS / SMI
B. IPPB with normal saline
C. postural drainage and percussion
D. PEP therapy - correct answer IPPB with normal saline
A patient on VC ventilation has demonstrated auto-PEEP on ventilator graphics. Which of the following
controls, when adjusted independently, would increase expiratory time?
1. Tidal volume
2. Respiratory Rate
3. Inspiratory flow
4. Sensitivity - correct answer 1, 2, and 3 only
A 55 year-old post cardiac surgery patient has the following ABG results: pH 7.50, PaCO2 30 torr, PaO2
62 torr, HCO3 25 mEq/L, SaO2 92%, HB 14 g/dL, BE +2. Venous blood gas results are pH 7.39, PvCO2 43
torr, PvO2 37 torr, and SvO2 66%. Calculate the patient's C(a-v)O2.
, A. 2.5 vol%
B. 4.0 vol%
C. 5.0 vol%
D. 5.5 vol% - correct answer 5.0 vol%
Immediately after extubation of a patient in the ICU, the respiratory therapist observes increasing
respiratory distress with intercostal retractions and marked stridor. The SpO2 on 40% oxygen is noted to
be 86%. Which of the following would be most appropriate at this time?
A. cool mist aerosol treatment
B. aerosolized racemic epinephrine
C. manual ventilation with resuscitation bag and mask
D. reintubation - correct answer reintubation
Which of the following information may be obtained from a FVC maneuver during bedside pulmonary
function testing?
1. FEV1
2. PEFR
3. FRC
4. RV - correct answer 1 and 2 only
A patient who complains of dyspnea is noted to have a dry, non-productive cough. On physical
examination, breath sounds are diminished on the right, tactile fremitus is decreased and there is
dullness to percussion over the right lower lobe. The respiratory therapist should suspect that the
patient is suffering from
A. pneumonia.
B. pulmonary embolism.
C. pleural effusion.
D. bronchiolitis. - correct answer pleural effusion