Neonatal and Pediatric Respiratory Care Chapters
1–4 Exam Questions and Answers (2026) | 100%
Verified Solutions | A+ Study Pack
• After birth the alveoli develop in increasing numbers until the age of __
__________ and increase in size until growth of the chest wall is finished. -✓✓8
years
• How many alveoli does the full-term infant have? How many will she add? How
much will the alveolar survace increase in this time? -✓✓50 million, 250 million,
3 to 70 m2
• How many different cell types are found in the lungs? -✓✓More than 40
• Name the five phases of lung development. -✓✓- Embryonal
- Pseudoglandular
- Canalicular
- Saccular
- Alveolar
Elvis Presley Can't Sing Anymore (he's dead, get it?)
• What is the time of occurrence for the embryonal phase of lung development? -
✓✓26 days to 52 days
• What is the time of occurrence for the pseudoglandular phase of lung
development? -✓✓Day 52 to week 16
, • What is the time of occurrence for the canalicular phase of lung development? -
✓✓Week 16 to week 26
• What is the time of occurrence for the saccular phase of lung development? -
✓✓Week 26 to week 36
• What is the time of occurrence for the alveolar phase of lung development? -
✓✓Week 36 to term
• What is the significance of the embryonal phase of lung development? -
✓✓Development of trachea and major bronchi
• What is the significance of the pseudoglandular phase of lung development? -
✓✓Development of remaining conducting airways
• What is the significance of the canalicular phase of lung development? -
✓✓Development of vascular bed and framework of respiratory acini
• What is the significance of the saccular phase of lung development? -
✓✓Increased complexity of saccules
• What is the significance of the alveolar phase of lung development? -
✓✓Development of alveoli
• From where does the lung begin to emerge as a bud and in what phase does this
occur? -✓✓The pharynx, embryonal phase (day 26)
1–4 Exam Questions and Answers (2026) | 100%
Verified Solutions | A+ Study Pack
• After birth the alveoli develop in increasing numbers until the age of __
__________ and increase in size until growth of the chest wall is finished. -✓✓8
years
• How many alveoli does the full-term infant have? How many will she add? How
much will the alveolar survace increase in this time? -✓✓50 million, 250 million,
3 to 70 m2
• How many different cell types are found in the lungs? -✓✓More than 40
• Name the five phases of lung development. -✓✓- Embryonal
- Pseudoglandular
- Canalicular
- Saccular
- Alveolar
Elvis Presley Can't Sing Anymore (he's dead, get it?)
• What is the time of occurrence for the embryonal phase of lung development? -
✓✓26 days to 52 days
• What is the time of occurrence for the pseudoglandular phase of lung
development? -✓✓Day 52 to week 16
, • What is the time of occurrence for the canalicular phase of lung development? -
✓✓Week 16 to week 26
• What is the time of occurrence for the saccular phase of lung development? -
✓✓Week 26 to week 36
• What is the time of occurrence for the alveolar phase of lung development? -
✓✓Week 36 to term
• What is the significance of the embryonal phase of lung development? -
✓✓Development of trachea and major bronchi
• What is the significance of the pseudoglandular phase of lung development? -
✓✓Development of remaining conducting airways
• What is the significance of the canalicular phase of lung development? -
✓✓Development of vascular bed and framework of respiratory acini
• What is the significance of the saccular phase of lung development? -
✓✓Increased complexity of saccules
• What is the significance of the alveolar phase of lung development? -
✓✓Development of alveoli
• From where does the lung begin to emerge as a bud and in what phase does this
occur? -✓✓The pharynx, embryonal phase (day 26)
