Thorax — Flashcards

Flashcard 121: The arrangement of the components of the neurovascular bundle in the intercostal space from above downwards is _____.

Answer: Vein-artery-nerve

Flashcard 122: The sternocostal joint is a misnomer and should ideally be called _____

Answer: sternochondral

Flashcard 123: _____ one-third of the liver is related to the the 10th and 11th rib

Answer: Lower

Flashcard 124: Which artery is the exclusive supplier of the right bundle branch?_____

Answer: Left anterior descending (LAD) artery

Extra: The right bundle branch (RBB) and the left anterior fascicle of the left bundle branch are primarily supplied by the septal branches of the **left anterior descending (LAD) artery**. In contrast, the left posterior fascicle usually has a dual blood supply from both the LAD and the right coronary artery (RCA).

Flashcard 125: The skin over the xiphoid process is innervated by the thoracic spinal nerve from _____.

Answer: T7

Extra: Standard Dermatome Landmarks: - T4: Nipple line - T7: Xiphoid process - T10: Umbilicus - L1: Inguinal ligament / Pubic symphysis

Flashcard 126: The hemiazygous vein crosses from left to right at the level of the _____ vertebra.

Answer: T8

Flashcard 127: Which intercostal spaces have no anterior intercostal artery?_____

Answer: 10th and 11th

Flashcard 128: Which ribs have 2 articulations to the vertebra?_____

Answer: 1 and 10

Flashcard 129: Internal thoracic artery is itself a branch of _____ artery

Answer: subclavian

Flashcard 130: Both the lungs have _____ bronchopulmonary segments each.

Answer: 10