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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

A patient who is a victim of a residential fire is brought to the ED and is receiving oxygen by nasal cannula 8 L/min.  The SpO2 is 100%.  Arterial blood gas analysis results are as follows:pH                7.30PCO2                  30 torrPO2                200 torrHCO3-                15 mEq/LBE               -10 mEq/LSaO2 (calc)        99%SaO2 (meas)        78%CO2Hb                    21%Hb                   14.5 g/dLA respiratory therapist should recommend

 A patient is receiving VC, SIMV with the following settings:FIO2                     0.50Mandatory rate        12VT                    400 mL A respiratory therapist hears the low volume alarm and observes that the system pressure manometer reaches only 4-5 cm H2O during the inspiratory phase.  The therapist should

A 70-kg (154-lb) and 191-cm (6-ft 3-in) postoperative patient is receiving VC, A/C ventilation.  Pertinent data are below:FIO2                          0.30Mandatory rate        12Total rate                   14VT                              500 mLInspiratory time        1.0 secPEEP                          5 cm H2O  pH                7.29PaCO2         51 torrPaO2            86 torrHCO3-         25 mEq/LBE                -2 mEq/LWhich of the following should a respiratory therapist recommend?

 A 21-year-old man arrives in the ED after rescue from a house fire.  Physical examination reveals burns on the upper chest and face, and marked edema of the face and oropharynx.  Analysis results of an arterial blood gas sample obtained while the patient was breathing air are as follows: pH              7.55PCO2           26 torrPO2         105 torrHCO3-           23 mEq/LBE           +2 mEq/L Which of the following should a respiratory therapist 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 patient’s blood pressure is monitored by an appropriately positioned arterial catheter transducer.  The transducer is mounted on an IV pole that is not attached to the bed.  The bed is lowered to permit routine patient care.  How will this affect the measured blood pressure?              systolic            diastolic1.           increased          increased2.           increased         decreased3.          decreased         decreased4.          decreased          increased

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

The following data are available for a patient receiving VC, A/C ventilation:FIO2              0.50VT        500 mLPEEP          10 cm H2O Laboratory results are as follows:Pv¯O2             30 mm HgPaO2             75 mm HgSpO2             91% Which of the following should a respiratory therapist recommend?

A respiratory therapist is asked to review a newborn’s history.  The following information is available:                                   1 minute                5 minutesColor                           acrocyanosis         pinkPulse                              70                        110Reflex                          cough                     coughTone                              weak                active motionRespiratory rate           20                          40Which of the following APGAR scores should the therapist expect to see for this infant?       1-minute          5-minute1.           4                          82.           5                          83.           6                         104.           7                         10