Podcast
Questions and Answers
Which muscles are responsible for raising the rib cage during inspiration?
Which muscles are responsible for raising the rib cage during inspiration?
- The external intercostals (correct)
- The scaleni
- The sternocleidomastoid muscles
- The anterior serrati
What is the main muscle involved in normal quiet breathing?
What is the main muscle involved in normal quiet breathing?
- The anterior serrati
- The sternocleidomastoid muscles
- The diaphragm (correct)
- The external intercostals
Which muscles are responsible for pulling the rib cage downward during heavy expiration?
Which muscles are responsible for pulling the rib cage downward during heavy expiration?
- The scaleni
- The anterior serrati
- The sternocleidomastoid muscles
- The internal intercostals (correct)
What happens to the diaphragm during normal and quiet expiration?
What happens to the diaphragm during normal and quiet expiration?
What causes the necessary rapid expiration during heavy breathing?
What causes the necessary rapid expiration during heavy breathing?
What are the two ways in which the lungs can be expanded and contracted?
What are the two ways in which the lungs can be expanded and contracted?
What is the function of the sternocleidomastoid muscles during inspiration?
What is the function of the sternocleidomastoid muscles during inspiration?
What is the function of the scaleni muscles during inspiration?
What is the function of the scaleni muscles during inspiration?
What is the function of the abdominal muscles during heavy breathing?
What is the function of the abdominal muscles during heavy breathing?
What are the two important pressures that cause inspiration and expiration?
What are the two important pressures that cause inspiration and expiration?
According to Laplace's law, the pressure generated in an alveolus is inversely proportional to the radius of the alveolus. Which of the following statements is true?
According to Laplace's law, the pressure generated in an alveolus is inversely proportional to the radius of the alveolus. Which of the following statements is true?
Which of the following is NOT a function of surfactant?
Which of the following is NOT a function of surfactant?
Which of the following is true about lung compliance?
Which of the following is true about lung compliance?
What is the formula for lung compliance?
What is the formula for lung compliance?
What is the average radius of an alveolus with normal surfactant?
What is the average radius of an alveolus with normal surfactant?
What is the collapse pressure of an alveolus lined with pure water without any surfactant?
What is the collapse pressure of an alveolus lined with pure water without any surfactant?
What is the role of surfactant in reducing surface tension?
What is the role of surfactant in reducing surface tension?
What is the main component of surfactant?
What is the main component of surfactant?
What is the function of surfactant apoproteins?
What is the function of surfactant apoproteins?
What is the share and role of surface tension compared to lung tissue in lung compliance?
What is the share and role of surface tension compared to lung tissue in lung compliance?
Which pressure is responsible for the inflow of air during inspiration?
Which pressure is responsible for the inflow of air during inspiration?
What is the range of pleural pressure during inspiration?
What is the range of pleural pressure during inspiration?
What is the range of alveolar pressure during expiration?
What is the range of alveolar pressure during expiration?
What is the difference between the alveolar pressure and the pleural pressure at each instant of inspiration or expiration called?
What is the difference between the alveolar pressure and the pleural pressure at each instant of inspiration or expiration called?
What are the two main components of alveolar elastic recoil force?
What are the two main components of alveolar elastic recoil force?
What happens to the alveolar pressure during inspiration as the alveolar volume increases?
What happens to the alveolar pressure during inspiration as the alveolar volume increases?
What happens to the alveolar pressure during expiration as the alveolar volume decreases?
What happens to the alveolar pressure during expiration as the alveolar volume decreases?
What is the role of the inspiratory muscles during normal and quiet inspiration?
What is the role of the inspiratory muscles during normal and quiet inspiration?
What is the role of the inspiratory muscles during normal and quiet expiration?
What is the role of the inspiratory muscles during normal and quiet expiration?
What is the function of the increased alveolar elastic recoil during expiration?
What is the function of the increased alveolar elastic recoil during expiration?
