Mechanical Ventilation Overview
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Questions and Answers

What is the primary goal of mechanical ventilation?

  • To improve patient comfort
  • To oxygenate and ventilate the patient (correct)
  • To fully sedate the patient
  • To minimize lung injury

    • Which condition is characterized by the collapse of alveoli?

  • Pneumothorax
  • Atelectasis (correct)
  • Ventilator Associated Pneumonia
  • Barotrauma

    • Which factor should be adjusted to help improve hypooxygenation in a patient on a ventilator?

  • Increase FiO2 (correct)
  • Decrease PEEP
  • Decrease respiratory rate
  • Reduce tidal volume

    • What does Auto-PEEP indicate in a ventilated patient?

    <p>Trapped air in the lungs due to incomplete exhalation (A)</p> Signup and view all the answers

    For an adult, what is the maximum recommended Plateaus Pressure (Pplat) during mechanical ventilation?

    <p>30 cmH2O (D)</p> Signup and view all the answers

    Which mode of ventilation allows the ventilator to assist the patient but still permits spontaneous breathing?

    <p>Synchronized Intermittent Mandatory Ventilation (C)</p> Signup and view all the answers

    Which complication is associated with the increase of free radicals during mechanical ventilation?

    <p>Oxygen Toxicity (B)</p> Signup and view all the answers

    What is the purpose of Positive End Expiratory Pressure (PEEP) during mechanical ventilation?

    <p>To prevent alveolar collapse during expiration (A)</p> Signup and view all the answers

    In a pediatric patient, what is the ideal body weight calculation for a child older than 8 years?

    <p>3 x Age (years) (B)</p> Signup and view all the answers

    Which of the following is a risk factor for Ventilator Associated Pneumonia (VAP)?

    <p>Prolonged mechanical ventilation (B)</p> Signup and view all the answers

    What is the primary function of chemoreceptors in the respiratory system?

    <p>To monitor O2, CO2, and H+ levels (C)</p> Signup and view all the answers

    Which component is NOT part of the upper airway?

    <p>Larynx (D)</p> Signup and view all the answers

    What does lung compliance refer to in ventilator management?

    <p>The stretchability of lung tissue (B)</p> Signup and view all the answers

    How does resistance in the respiratory system affect airflow?

    <p>It is inversely proportional to flow (B)</p> Signup and view all the answers

    Which type of dead space refers to larger conducting airways that do not participate in gas exchange?

    <p>Anatomical dead space (C)</p> Signup and view all the answers

    What does the ventilation/perfusion ratio (V/Q) assess in the lungs?

    <p>Balance between air movement and blood flow (A)</p> Signup and view all the answers

    Fick's Law states that diffusion is directly proportional to which factors?

    <p>Partial pressure difference and surface area (D)</p> Signup and view all the answers

    Oxygenation primarily refers to which of the following processes?

    <p>The delivery of oxygen to tissues (D)</p> Signup and view all the answers

    Which of the following best describes the role of the medulla and pons in respiration?

    <p>They regulate the rate and depth of breathing (A)</p> Signup and view all the answers

    Which of the following statements about mechanical dead space is true?

    <p>It refers to the ventilator circuit and adjuncts (C)</p> Signup and view all the answers

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