Thorax — Flashcards

Flashcard 1: _____ passes anterior to the scalene tubercle of the 1st rib.

Answer: Subclavian vein

Flashcard 2: The carina is _____ to ascending aorta and _____ to descending aorta

Answer: posterior

Flashcard 3: What are the major structures related to the mediastinal surface of the right lung?

Answer: 1. Heart (Right atrium) 2. Superior Vena Cava (SVC) 3. Inferior Vena Cava (IVC) 4. Azygos vein and its arch 5. Esophagus 6. Trachea 7. Right Phrenic and Vagus nerves

Extra: The mediastinal surface of the right lung is in contact with several key structures. The Azygos vein is a characteristic relation as it arches over the root of the right lung to drain into the SVC. The right atrium forms a large cardiac impression anterior to the hilum.

Flashcard 4: Major openings of the diaphragm: 1. _____ hiatus at level T8 2. Esophageal hiatus at level T10 3. Aortic hiatus at level T12

Answer: Vena cava

Extra: Mnemonic: **I 8 10 Eggs At 12** - **I**VC: T**8** - **E**sophagus: T**10** - **A**orta: T**12**

Flashcard 5: Major structures related to the mediastinal surface of the **left lung**: - _____ - _____ - _____ - _____ - _____

Answer: Arch of aorta

Extra: The mediastinal surface of the left lung is related to the heart (forming the cardiac impression), the arch of the aorta (superior to the hilum), and the descending aorta (posterior to the hilum). Other relations include the left subclavian and common carotid arteries, the esophagus, and the left phrenic and vagus nerves.

Flashcard 6: Manubrio-sternal joint fuses in old age usually above _____ years of age.

Answer: 60

Flashcard 7: Vena caval hiatus is located at the level of _____, in the central tendon of diaphragm

Answer: T8

Flashcard 8: The _____ and the pulmonary trunk lie anterior and the superior vena cava and the atria lie posterior to the transverse sinus

Answer: aorta

Flashcard 9: _____ valve is the valve of coronary sinus and is derived from sinoatrial valve

Answer: Thebesian

Flashcard 10: The phrenic nerve supplies _____ fibres to the mediastinal pleura, pericardium and diaphragmatic peritoneum

Answer: sensory