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Questions and Answers
The opening bounded by the 12th thoracic vertebra, curving costal margin, and xiphisternal joint is closed by which structure?
The opening bounded by the 12th thoracic vertebra, curving costal margin, and xiphisternal joint is closed by which structure?
- Endothoracic fascia
- Diaphragm (correct)
- Pleura
- Intercostal muscles
Which of the following muscles are present in each intercostal space?
Which of the following muscles are present in each intercostal space?
- External intercostal, internal intercostal, and innermost intercostal (correct)
- External intercostal and internal intercostal
- Intercostal, transversus abdominis, and diaphragm
- External intercostal, internal intercostal, and transversus abdominis
What is the relationship between the intercostal nerves and the intercostal muscles?
What is the relationship between the intercostal nerves and the intercostal muscles?
- The intercostal nerves supply the intercostal muscles but not the skin or parietal pleura/peritoneum
- The intercostal nerves supply the skin and parietal pleura/peritoneum, but not the intercostal muscles
- The intercostal nerves supply the intercostal muscles, skin, and parietal pleura/peritoneum (correct)
- The intercostal nerves only supply the parietal pleura and peritoneum, and not the skin or intercostal muscles
What is the relationship between the intercostal nerves and the intercostal neurovascular bundle?
What is the relationship between the intercostal nerves and the intercostal neurovascular bundle?
What is the function of the external intercostal muscles?
What is the function of the external intercostal muscles?
Where is the endothoracic fascia located?
Where is the endothoracic fascia located?
What is the order of structures in the intercostal neurovascular bundle from top to bottom?
What is the order of structures in the intercostal neurovascular bundle from top to bottom?
Which thoracic spinal nerves supply the anterior abdominal wall?
Which thoracic spinal nerves supply the anterior abdominal wall?
Where does the anterior ramus of the 12th thoracic nerve run?
Where does the anterior ramus of the 12th thoracic nerve run?
What is the unique feature of the first thoracic nerve compared to the other thoracic nerves?
What is the unique feature of the first thoracic nerve compared to the other thoracic nerves?
What is the name of the bony framework that forms the walls of the thorax?
What is the name of the bony framework that forms the walls of the thorax?
What is the shape of the thorax?
What is the shape of the thorax?
What structure forms the posterior part of the thoracic cage?
What structure forms the posterior part of the thoracic cage?
What structure occupies the opening at the superior end of the thorax?
What structure occupies the opening at the superior end of the thorax?
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