Thorax — Flashcards

Flashcard 51: The carina is _____ to ascending aorta and anteromedial to descending aorta

Answer: posterior

Flashcard 52: On the left side, the _____ posterior intercostal veins unite to form the left superior intercostal vein, which drains into the left brachiocephalic vein.

Answer: 2nd, 3rd, and (often) 4th

Extra: On the right side, the 2nd, 3rd, and 4th posterior intercostal veins unite to form the right superior intercostal vein, which drains into the azygos vein. On the left side, the same veins form the left superior intercostal vein, which drains into the left brachiocephalic vein. The 1st posterior intercostal vein on both sides drains directly into its respective brachiocephalic vein.

Flashcard 53: The _____ nerve is posterior to the root of the lung and the phrenic nerve is anterior to the root of the lung.

Answer: vagus

Flashcard 54: The intercostal nerve is a branch of _____ rami (anterior) of thoracic spinal nerves.

Answer: ventral

Flashcard 55: _____ intercostal arteries supply the intercostal space up to the costochondral junction.

Answer: Posterior

Flashcard 56: The _____ joint is a secondary cartilaginous joint (symphysis), while the xiphisternal joint is a primary cartilaginous joint (synchondrosis).

Answer: manubriosternal

Flashcard 57: SIT-Q depressors work along with anterior abdominals for expiration:S: _____I: Internal intercostalsT: Transversus thoracisQ: Quadratus lumborum

Answer: Serratus posterior inferior

Flashcard 58: Structures passing through 2 grooves of the first rib are:Anterior groove - _____.Posterior groove - Subclavian artery and lower trunk of brachial plexus

Answer: Subclavian vein

Flashcard 59: _____ bronchial veins drain to the azygos vein.

Answer: Right

Flashcard 60: _____ hiatal hernias occur due to protrusion of the fundus of the stomach into the thorax

Answer: Paraesophageal