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While administering an intermittent positive pressure breathing treatment to a post-operative patient with atelectasis, the respiratory therapist determines that the ventilator is self-cycling between the patient-initiated breaths. The therapist should adjust the

A 62-year-old patient with a history of emphysema (body weight 50 kg, 110 lb) requires mechanical ventilation because of acute respiratory failure. The respiratory therapist notes the following: Mode VC, SIMVSet rate 10 br/min.Total rate 16 br/min.VT 400 mLFIO2 0.28 Arterial blood gases are as follows: pH 7.37PCO2 56 torrPO2 65 torrHCO3- 32 mEq/L The respiratory therapist should

For a patient enrolled in a smoking cessation program, which of the following would indicate that the patient is non-compliant?

A 62-year-old female who weighs 60 kg (132 lb) is on mechanical ventilation following hip replacement surgery. Ventilator settings are as follows:Mode VC, SIMVFIO2 0.35Set rate 12 br/min.Total rate 12 br/min.VT 500 mL Arterial blood gas results are as follows:pH 7.50PaCO2 30 torrPaO2 105 torrHCO3- 23 mEq/LThe respiratory therapist should

A 72-year-old male patient who is 5′ 10″ tall and weighs 75 kg (165 lb) is receiving mechanical ventilation. The respiratory therapist notes diminished breath sounds in the bases of both lungs. The patient is on the following ventilator settings: Mode VC, A/CVT 600 mLSet rate 10 br/minPEEP 10 cm H2OFIO2 0.50Sigh volume 0.6 L Arterial blood gases show: pH 7.42PaO2 82 torrPaCO2 38 torrSaO2 93% Based on this information, the respiratory therapist should

The respiratory therapist is reviewing a patient’s chart prior to performing a bedside assessment to determine readiness for weaning from ventilatory assistance. The patient weighs 60 kg (132 lb). The therapist would expect the patient to be able to achieve a spontaneous tidal volume of

A patient receiving a loop diuretic such as furosemide (Lasix) would most likely need what type of electrolyte replacement?

A patient in the intensive care unit has the following hemodynamic measurements: CVP: 12 mm HgPAP: 48/16 mm HgPCWP: 15 mm HgMAP: 99 mm HgCardiac Output: 8.0 L/min.Cardiac Index: 4.7 L/min/m2 Which of the following should the respiratory therapist recommend?

Which enzyme(s) inactivate NE? (Learning Objective 9, page 29)

Which of the following would increase the rate of diffusion? (Learning Objective 10, page 9)