Hypoventilation syndromes & Congenital Central Hypoventilation Syndrome (CCHS)

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Questions and Answers

What is the purpose of regulating minute ventilation?

  • To control heart rate
  • To maintain arterial blood gases and stabilize pH (correct)
  • To control digestion
  • To regulate body temperature

Minute ventilation refers to the:

  • Volume of air inhaled and exhaled with each breath
  • Rate at which the heart pumps blood
  • Amount of oxygen in the blood
  • Rate and depth of breathing (correct)

Chronic hypoventilation is characterized by:

  • Reduced tidal volume and rate
  • Hypercapnia
  • Normal pH as compensation mechanisms initiated - Increased in bicarbonate levels
  • All of the above (correct)

Congenital central alveolar hypoventilation syndrome is associated with a failure of:

<p>Central respiratory drive (C)</p> Signup and view all the answers

Which gene is commonly mutated in Congenital central alveolar hypoventilation syndrome?

<p>PHOX2B (C)</p> Signup and view all the answers

The mutations in the PHOX2B gene associated with Congenital central alveolar hypoventilation syndrome can be:

<p>Autosomal dominant (B)</p> Signup and view all the answers

Which of the following best describes the breaths taken in Congenital central alveolar hypoventilation syndrome?

<p>Shallow breaths (C)</p> Signup and view all the answers

How can individuals with Congenital central alveolar hypoventilation syndrome stay alive?

<p>Through mechanical ventilation or diaphragm pacing during sleep (D)</p> Signup and view all the answers

Which of the following is the recommended management for Congenital Central Alveolar Hypoventilation Syndrome (CCHS)?

<p>Chronic ventilatory support (A)</p> Signup and view all the answers

What type of ventilation is commonly used in younger children with CCHS?

<p>Portable positive pressure ventilators (B)</p> Signup and view all the answers

What type of ventilation is commonly used in older children and adults with CCHS?

<p>Mechanical ventilation (C)</p> Signup and view all the answers

How often is bronchoscopy typically performed for individuals with CCHS?

<p>Every 12-24 months (B)</p> Signup and view all the answers

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