How much pressure and time is necessary during a lung recruitment maneuver?
a. 20-35 cm H2O for 30-40 seconds
b. 30-40 cm H2O for 15-25 seconds
c. 35-45 cm H2O for 40-60 seconds
d. 40-50 cm H2O for 35-45 seconds
Q. 2 The mechanical ventilator event that is considered potentially life-threatening or a level two event is which of the following?
a. Intrinsic positive end-expiratory pressure (PEEP)
b. High respiratory rate
c. Humidifier malfunction
d. Exhalation valve failure
Q. 3 A patient set up on pressure support ventilation (PSV) has an average minute volume of 5.8 L. What should the low exhaled minute volume alarm be set at?
a. 5 L
b. 4 L
c. 3 L
d. 2 L
Q. 4 The respiratory therapist in the intensive care unit (ICU) responds to a patient's room because the ventilator is alarming. The most appropriate immediate action is which of the following?
a. Replace the ventilator immediately.
b. Silence the alarms and call for help.
c. Ensure the patient is being ventilated.
d. Troubleshoot the alarm settings.
Q. 5 Identify the patient who could benefit from sigh breaths.
a. Patient on pressure-controlled continuous mandatory ventilation (PC-CMV) with peak inspiratory pressure (PIP) = 38 cm H2O
b. Patient on volume-controlled continuous mandatory ventilation (VC-CMV) with a plateau pressure (Pplateau) = 36 cm H2O
c. Spontaneously breathing patient receiving continuous positive airway pressure (CPAP)
d. 70 kg ideal body weight (IBW) patient on 400 mL with Pplateau = 25 cm H2O
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