Podcast
Questions and Answers
What is the result of a decrease in intrapleural pressure?
What is the result of a decrease in intrapleural pressure?
- Decrease in tidal volume
- Increase in intrapulmonary pressure
- Expansion of the lungs (correct)
- Contraction of the diaphragm
What is the primary function of the quadratus lumborum and serratus posterior inferior muscles during forced inspiration?
What is the primary function of the quadratus lumborum and serratus posterior inferior muscles during forced inspiration?
- Help rib elevation
- Prevent inward movement of the lower ribs (correct)
- Elevate the upper ribs
- Contract the diaphragm
What percentage of pulmonary ventilation is accounted for by abdominal breathing during eupnea?
What percentage of pulmonary ventilation is accounted for by abdominal breathing during eupnea?
- 90%
- 50%
- 25%
- 75% (correct)
What occurs during eupnea expiration?
What occurs during eupnea expiration?
What is the term for breathing produced by contraction of the external intercostal muscles?
What is the term for breathing produced by contraction of the external intercostal muscles?
What is the tidal volume that enters the lungs during normal resting breathing?
What is the tidal volume that enters the lungs during normal resting breathing?
What is the role of the sternomastoid and scaleni muscles during forced inspiration?
What is the role of the sternomastoid and scaleni muscles during forced inspiration?
What is the change in intrapulmonary pressure during normal resting breathing?
What is the change in intrapulmonary pressure during normal resting breathing?
What is the primary inspiratory muscle that contracts during eupnea?
What is the primary inspiratory muscle that contracts during eupnea?
What is the term for breathing produced by contraction of the diaphragm?
What is the term for breathing produced by contraction of the diaphragm?
