Podcast
Questions and Answers
Which spinal nerves innervate the diaphragm?
Which spinal nerves innervate the diaphragm?
- L1, L2, L3
- T1, T2, T3
- C3, C4, C5 (correct)
- C1, C2, C3
What is the primary function of the diaphragm during quiet/resting breathing?
What is the primary function of the diaphragm during quiet/resting breathing?
- To compress the thoracic cavity during expiration
- To maintain the position of the heart and lungs
- To expand the thoracic cavity during inspiration (correct)
- To regulate the flow of air in and out of the lungs
Which of the following describe the movement of the thoracic wall during inspiration?
Which of the following describe the movement of the thoracic wall during inspiration?
- Bucket-handle movement only
- Pump-handle movement only
- Both bucket-handle and pump-handle movements (correct)
- Neither bucket-handle nor pump-handle movements
Which of the following is true about the range of motion of the thoracic wall during respiration?
Which of the following is true about the range of motion of the thoracic wall during respiration?
Which joints allow for the bucket-handle and pump-handle movements of the ribs during respiration?
Which joints allow for the bucket-handle and pump-handle movements of the ribs during respiration?
What is the clinical significance of the phrenic nerves innervating the diaphragm?
What is the clinical significance of the phrenic nerves innervating the diaphragm?
Which nerve innervates the diaphragm?
Which nerve innervates the diaphragm?
Which muscle is the primary muscle of respiration?
Which muscle is the primary muscle of respiration?
What is the function of the external intercostal muscles?
What is the function of the external intercostal muscles?
Which nerve innervates the external intercostal muscles?
Which nerve innervates the external intercostal muscles?
What is the function of the internal intercostal muscles?
What is the function of the internal intercostal muscles?
Which muscle is responsible for forced exhalation?
Which muscle is responsible for forced exhalation?
Which of the following muscles elevates the ribs during forceful inspiration?
Which of the following muscles elevates the ribs during forceful inspiration?
What is the primary function of the internal intercostal muscles?
What is the primary function of the internal intercostal muscles?
Which of the following structures innervates the muscles of the thoracic wall?
Which of the following structures innervates the muscles of the thoracic wall?
What is the primary function of the transversus thoracis muscle?
What is the primary function of the transversus thoracis muscle?
Which of the following muscles is considered the innermost layer of the intercostal muscles?
Which of the following muscles is considered the innermost layer of the intercostal muscles?
What is the primary function of the diaphragm muscle?
What is the primary function of the diaphragm muscle?
