Mechanical Ventilation Overview

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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?

Trapped air in the lungs due to incomplete exhalation Signup and view all the answers

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

30 cmH2O Signup and view all the answers

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

Synchronized Intermittent Mandatory Ventilation Signup and view all the answers

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

Oxygen Toxicity Signup and view all the answers

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

To prevent alveolar collapse during expiration Signup and view all the answers

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

3 x Age (years) Signup and view all the answers

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

Prolonged mechanical ventilation Signup and view all the answers

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

To monitor O2, CO2, and H+ levels Signup and view all the answers

Which component is NOT part of the upper airway?

Larynx Signup and view all the answers

What does lung compliance refer to in ventilator management?

The stretchability of lung tissue Signup and view all the answers

How does resistance in the respiratory system affect airflow?

It is inversely proportional to flow Signup and view all the answers

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

Anatomical dead space Signup and view all the answers

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

Balance between air movement and blood flow Signup and view all the answers

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

Partial pressure difference and surface area Signup and view all the answers

Oxygenation primarily refers to which of the following processes?

The delivery of oxygen to tissues Signup and view all the answers

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

They regulate the rate and depth of breathing Signup and view all the answers

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

It refers to the ventilator circuit and adjuncts Signup and view all the answers