SAE REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2025

In which of the following circumstances will tracheal secretions tend to dry in an intubated patient? - ANSWER a relative humidity of 100% at 22° C (71.6° F) Mechanical ventilation was initiated for a patient, after which the PaCO2 decreased from 53 to 40 mm Hg. A respiratory therapist should expect which of the following will increase? - ANSWER pH A patient has been receiving mechanical ventilation through a tracheostomy tube for 16 days. The patient begins to thrash about in the bed following withdrawal of a drug-induced coma. The patient's tracheostomy tube has become dislodged. After the patient is pharmacologically sedated, a respiratory therapist should NEXT - ANSWER reinsert the tracheostomy tube Following a bariatric surgery procedure 2 days ago, a patient with a PBW of 55 kg (121 lb) remains hospitalized with signs of sepsis. The patient is intubated and receiving VC, A/C ventilation with the following settings: FIO2 0.50 Mandatory rate 18/min VT 350 mL PEEP 12 cm H2O After returning from radiology, the patient's peak inspiratory pressure is 45 cm H2O and plateau pressure is 35 cm H2O. ABG analysis reveals: pH 7.39 PCO2 38 mm Hg PO2 49 mm Hg HCO3- 23 mEq/L BE -2 mEq/L SO2 (calc) 84% A respiratory therapist should recommend - ANSWER -a lung recruitment maneuver. The presentation suggests acute atelectasis. A lung recruitment maneuver can be used to reopen atelectatic lung units An 18-y