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In which of the following situations is obtaining a chest radiograph least useful? A. following intubation B. following placement of a central venous pressure line C. when the static pressure drops by 2 cm H2O during CMV D. when the patient’s oxygenation status deteriorates for no known reason

What ventilatory strategy has been found to be useful for avoiding barotrauma in the treatment of patients with ARDS? A. prolonged expiratory time B. permissive hypercapnia C. inverse-ratio ventilation D. intermittent mandatory ventilation    

Assessment reveals: HR 120 bpm, Respiration 35 breaths/min, BP 130/85 mmHg, SpO2 85% Lungsounds: Rhonchi and wheezes in the RUL and RML. Temperature: of 102 F No Cyanosis Strong productive cough with moderate amount of thick yellow secretions. What should be done FIRST?   Choose only ONE

A patient has an arterial blood gas that measured PaO2 180 mmHg.  What would the pulse oximeter SpO2 read?

A normal capnogram contains the most CO2 during which phase?

A patient develops acute hypercapnic respiratory failure due to muscle fatigue. Which of the following modes of ventilatory support would you consider for this patient? I. assist-control ventilation with adequate backup II. continuous positive airway pressure III. synchronized intermittent mandatory ventilation with adequate backup rate IV. bilevel pressure support ( Bipap ) by mask   A. II and IV B. III and IV C. I, II, and III D. I, III, and IV

Prior Additional Diagnostic Assessment: AM ABG Analysis: pH 7.27, PaCO2 65 mmHg, PaO2 63 mmHg, HCO3 30 mEq/L, +4 mEq/L BE Electrocardiogram: Sinus tachycardia CBC: Hb 19 g/dl, Hct, 52%, WBC 8,000 Electrolytes: Normal Chest radiograph: Light infiltrate bilaterally Urine output: 50 ml/Hr Recent assessment Breathsounds: Clear bilaterally PIP and Plateau pressures: 26 cm H2O, 20 cm H2O   Based on the above data, what should be done now? Choose only ONE

The endotracheal tube was withdrawn until bilateral breath sounds were heard. and secured at 24 cm at the lip. The physician would like you to recommend appropriate CMV setting for this 6’0″ male patient who weighs 110 kg.   Choose only ONE

Assessment reveals: Positive color change in the colorimetric capnometer No positive pressure sounds in the stomach Unilateral chest rise to the right Absent breathsounds to the left Condensation present in the ETT   What should be done now?   Choose only ONE

The physician agrees and writes an order for antibiotic therapy. The patient is on 0.50 FIO2 air-entrainment mask and receiving bronchodilator therapy every four hours. Four hours had past and you return to the patient’s room to give a bronchodilator treatment. The patient  is demonstrating SOB and is wheezing bilaterally on auscultation. What should be done now?   Select as MANY as indicated