|A patient on VC ventilation demonstrates auto-PEEP on ventilator graphics. Which of the
following controls, when adjusted independently, would increase expiratory time?
1. Tidal volume
2. Respiratory Rate
3. Inspira
...
|A patient on VC ventilation demonstrates 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: *A. 1, 2, and 3 only
B. 1, 2, and 4 only
C. 1, 3, and 4 only
D. 2, 3, and 4 only
Which of the following would be the most appropriate therapy for a dyspneic patient who has
crepitus with tracheal deviation to the left and absent breath sounds on the right? Correct
Answer: A. Perform chest physiotherapy
B. Administer an IPPB treatment
C. Insert an endotracheal tube
*D. Insert a chest tube
Following cardiac surgery, a 55 year-old 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. Correct Answer: A. 2.5 vol%
B. 4.0 vol%
*C. 5.0 vol%
D. 5.5 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 76%. Which of the following would be most appropriate at this time? Correct
Answer: A. Cool mist aerosol treatment
B. Aerosolized racemic epinephrine
C. Manual ventilation with resuscitation bag and mask
*D. Reintubation
A patient receiving mechanical ventilation has developed a temperature of 99.9° F with purulent
secretions over the last 12 hours. The respiratory therapist has also noted a steady increase in
peak inspiratory pressure. What initial recommendation should be made to address these
changes? Correct Answer: *A. Initiate bronchial hygiene therapy.
B. Obtain a sputum gram stain.
C. Administer IPV.
D. Insert a ASS tube.
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