A patient with an PBW of 55 kg is receiving mechanical ventilation.  The patient’s blood gas analysis results and parameters during VC, A/C ventilation are below:FIO2                   0.70Mandatory rate        14VT                    500 mLPEEP                       5 cm H2O pH             7.35PaCO2               35 torrPaO2               40 torrHCO3-               19 mEq/LBE               -6 mEq/L The respiratory therapist should recommend

The following patient data are obtained:CaO2              12 vol%Pv¯O2             30 torrSv¯O2             60%Hb             10 g/dLThe patient’s C(a-v¯)O2 is approximately

A pulse oximeter provides an accurate indication of a patient’s oxyhemoglobin saturation in which of the following clinical conditions? polycythemia    pulmonary  hypertension             congestive  heart failure        carbon monoxide poisoning 1. yes yes yes no 2. yes yes no yes 3. yes no yes yes 4. no yes yes yes

A 168-cm (5-ft 6-in), 62-kg (136-lb) patient is receiving PC, A/C ventilation.  The following data are available:FIO2                                    0.40Mandatory rate                    15Total rate                               15Set inspiratory pressure      20 cm H2OExhaled VT                           700 mLI:E                                            1:4PEEP                                      10 cm H2O  pH                      7.52PaCO2                26 torrPaO2                 110 torrHCO3-                 21 mEq/LBE                           0 mEq/LA respiratory therapist should recommend decreasing the

The following data are obtained for a patient who is receiving VC ventilation with a VT of 600 mL:   . Time   10 AM 12 PM Peak airway pressure     38 cm H2O     45 cm H2O Plateau pressure   34 cm H2O  34 cm H2O This information indicates

A patient’s chest radiograph shows diffuse alveolar infiltrates.  The following data are available: CVP        12 mm HgiAP        14 mm HgPPA        30 mm HgPCWP        26 mm HgC.I.          1.6 L/min/m2  A respiratory therapist should recommend administering

34. Which of the following statements is most accurate?

Data below were obtained while an adult patient was receiving VC ventilation with an FIO2 of 0.50: . Time 1300 1315 1330 1345 PEEP (cm H2O) 5 10 15 20 BP (mm Hg)   140/90 130/90 120/80 110/80 SpO2 (%)   75 90 94 95 Static compliance (mL/cm H2O) 20 40 60 55 Which of the following levels of PEEP should a respiratory therapist choose?

A 65-year-old patient with congestive heart failure is receiving 10 cm H2O CPAP and an FIO2 of 0.60.  Arterial blood gas analysis results are below:pH              7.41PCO2           40 torrPO2         150 torrHCO3-           25 mEq/LBE             0 mEq/L Which of the following should a respiratory therapist conclude?

 A patient with COPD is receiving oxygen by a nasal cannula at 1 L/min.  The target SpO2 is 90%.  The following data are obtained: pH            7.35PaCO2          64 torrPaO2          52 torrHCO3-          35 mEq/LBE          +7 mEq/L   HR         100RR          18BP        145/90 mm HgSpO2          85% Which of the following should the respiratory therapist recommend FIRST?