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Which of the following types of waveforms may be used to determine if a leak is present in a ventilator – patient system? a.  volume / time b.  pressure/ volume loop c.  flow/ volume loop d.  all of the above can be used to determine a leak

A patient is receiving continuous mandatory ventilation in the control mode at a set rate of 15/min. The inspiratory time is 0.8 second. What is the expiratory time?  What is the I:E ratio? A. 3.2 seconds; 1:4 B. 2.8 seconds; 1:1 C. 2.4 seconds; 1:2 D. 4.2 seconds; 1:3

Based on the following ABG results, what is the most likely diagnosis?  pH = 6.89, PaCO2 = 24 torr,  HCO3 = 4.7 mEq/ L a.  Acute uncompensated metabolic acidosis b.  Acute uncompensated respiratory acidosis c.  Partially compensated metabolic acidosis d.  Partially compensated respiratory acidosis

Which of the following conditions should be maintained when delivering medical gases to the nose and mouth?

A patient is on 24% venturi mask running at 2 lpm what is the total flow delivered to the patient?

Which of the following conditions will appear hyperlucent with retrosternal space on a chest x- ray? I.  Atelectasis II. Pneumothorax III. Pneumonia IV. emphysema V.  Acute asthma a. I,II and III only    b. II, III, and  IV     c.  II, III, IV and V     d.  II, IV and V only  

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?