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Questions and Answers
Which region is the thorax located between?
Which region is the thorax located between?
- The head and the chest
- The neck and the abdomen (correct)
- The chest and the back
- The abdomen and the pelvis
What separates the thorax from the abdomen?
What separates the thorax from the abdomen?
- The sternum
- The clavicle
- The diaphragm (correct)
- The xiphoid process
What are the contents of the mediastinum?
What are the contents of the mediastinum?
- Brain, spinal cord, and nerves
- Liver, stomach, and intestines
- Heart, lungs, and main blood vessels (correct)
- Kidneys, bladder, and ureters
What are the boundaries of the thorax inferiorly?
What are the boundaries of the thorax inferiorly?
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What are the boundaries of the thorax superiorly?
What are the boundaries of the thorax superiorly?
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Study Notes
Thorax Location and Boundaries
- The thorax is located between the neck and the abdomen.
Separation from Abdomen
- The thorax is separated from the abdomen by the diaphragm.
Mediastinum Contents
- The mediastinum contains the heart, trachea, esophagus, thoracic blood vessels, and nerves.
Inferior Boundaries
- The thorax is bounded inferiorly by the diaphragm, which forms the floor of the thoracic cavity.
Superior Boundaries
- The thorax is bounded superiorly by the thoracic inlet, which is formed by the first rib, the first thoracic vertebra, and the manubrium of the sternum.
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