All of the following are appropriate situations for the use of sigh or deep breaths except which?
a. During chest physiotherapy
b. During an extubation procedure
c. During continuous positive airway pres-sure (CPAP) with spontaneous breathing
d. Before and after endotracheal tube suc-tioning
Q. 2 Following intubation and placement on volume-controlled continuous mandatory ventilation (VC-CMV), a patient's average peak inspiratory pressure (PIP) is 26 cm H2O following suction-ing.
The appropriate settings for the low- and high-pressure alarms are which of the following?
a. Low pressure = 6 cm H2O, high pressure = 46 cm H2O
b. Low pressure = 15 cm H2O, high pressure = 41 cm H2O
c. Low pressure = 20 cm H2O, high pressure = 36 cm H2O
d. Low pressure = 24 cm H2O, high pressure = 31 cm H2O
Q. 3 A patient is being ventilated with pressure-controlled intermittent mandatory ventilation (PC-IMV) of 12 breaths/min. The apnea alarm time setting should be which of the following?
a. 4 seconds
b. 10 seconds
c. 15 seconds
d. 20 seconds
Q. 4 The ventilator volume is set at 575 mL. The low exhaled tidal volume (VT) alarm should be set at which of the following?
a. 150 mL
b. 350 mL
c. 400 mL
d. 500 mL
Q. 5 In which situation should the heat moisture exchanger (HME) be replaced with a heated humidi-fication system?
a. With all tracheostomy tubes
b. After 3 days of ventilation
c. After 24 hours of ventilation
d. Thick secretions not cleared by suctioning