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Questions and Answers
What are the boundaries of the thoracic inlet?
What are the boundaries of the thoracic inlet?
- Lower border manubrium sterni, body of the 1st lumbar vertebra, 1st pair ribs & costal cartilage
- Upper border manubrium sterni, body of the 1st thoracic vertebra, 1st pair ribs & costal cartilage (correct)
- Upper border manubrium sterni, body of the 12th thoracic vertebra, 1st pair ribs & costal cartilage
- Upper border manubrium sterni, body of the 1st thoracic vertebra, 12th pair ribs & costal cartilage
Which arteries pass through the thoracic inlet?
Which arteries pass through the thoracic inlet?
- Innominate (brachiocephalic) artery, Left common carotid artery, Left subclavian artery (correct)
- Celiac artery, Superior mesenteric artery, Inferior mesenteric artery
- Axillary artery, Brachial artery, Radial artery
- Pulmonary artery, Aorta, Coronary artery
Which structures are found in the hilum of the lung?
Which structures are found in the hilum of the lung?
- Bronchus, Pulmonary artery, Pulmonary vein (correct)
- Aorta, Superior vena cava, Esophagus
- Trachea, Diaphragm, Intercostal muscles
- Thyroid gland, Thymus, Parathyroid gland
What are the contents of the superior part of the mediastinum?
What are the contents of the superior part of the mediastinum?
What is the shape and size of the thoracic inlet?
What is the shape and size of the thoracic inlet?
What structures pass through the thoracic inlet?
What structures pass through the thoracic inlet?
Which arteries pass through the thoracic inlet?
Which arteries pass through the thoracic inlet?
Which veins pass through the thoracic inlet?
Which veins pass through the thoracic inlet?
Which nerves are related to the thoracic inlet?
Which nerves are related to the thoracic inlet?
What is the shape of the thoracic inlet?
What is the shape of the thoracic inlet?
Flashcards
Boundaries of the thoracic inlet?
Boundaries of the thoracic inlet?
Upper border of the manubrium sterni, body of the 1st thoracic vertebra, and the 1st pair of ribs & costal cartilage.
Arteries passing through the thoracic inlet?
Arteries passing through the thoracic inlet?
Innominate (brachiocephalic) artery, Left common carotid artery, and Left subclavian artery.
Structures in the hilum of the lung?
Structures in the hilum of the lung?
Bronchus, Pulmonary artery, and Pulmonary vein.
Contents of the superior mediastinum?
Contents of the superior mediastinum?
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Shape and Size of the Thoracic Inlet?
Shape and Size of the Thoracic Inlet?
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Structures passing through the thoracic inlet?
Structures passing through the thoracic inlet?
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Veins passing through the thoracic inlet?
Veins passing through the thoracic inlet?
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Nerves related to the thoracic inlet?
Nerves related to the thoracic inlet?
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Study Notes
Thoracic Inlet Boundaries
- Anteriorly: Manubrium of sternum
- Posteriorly: First thoracic vertebra (T1)
- Laterally: First pair of ribs and their costal cartilages
Thoracic Inlet Structures
- Arteries: Brachiocephalic trunk and left common carotid artery
- Veins: Brachiocephalic veins and left internal jugular vein
- Nerves: Vagus nerve, phrenic nerve, and sympathetic trunk
Hilum of the Lung
- Structures found: Pulmonary artery, pulmonary veins, bronchi, and lymph nodes
Superior Mediastinum Contents
- Trachea, esophagus, thoracic duct, and lymph nodes
Thoracic Inlet Characteristics
- Shape: Triangular
- Size: 4 cm (1.6 in) in width, 2 cm (0.8 in) in height
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