Thoracic and Abdominal Anatomy Quiz

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33 Questions

Which muscles are responsible for moving the rib superiorly during inspiration?

External intercostal muscles

Which muscles are responsible for moving the rib inferiorly during expiration?

Internal intercostal muscles

Which muscle is the major muscle of inspiration?

Diaphragm

Which nerves supply the diaphragm?

Phrenic nerves

Which foramina are present in the diaphragm?

Aortic hiatus, esophageal hiatus, and caval opening

Which ribs does the diaphragm attach to?

Ribs 11 and 12

What is the action of the diaphragm?

Depresses the domes and increases the volume of the thoracic cavity

What is the nerve supply for the external intercostal muscles?

Intercostal nerves

What is the nerve supply for the internal intercostal muscles?

Intercostal nerves

What is the nerve supply for the innermost intercostal muscles?

Intercostal nerves

Which arteries mainly supply the breast?

Axillary A.

Which veins drain the breast?

Axillary, internal thoracic & intercostal veins.

Which nerves innervate the breast?

2nd to 6th intercostal nerves.

Where does 75% of the lymphatic drainage of the breast go?

Axillary nodes.

Which arteries mainly supply the thoracic wall?

All of the above

Which veins mainly drain the thoracic wall on the right side?

Azygos vein.

Which nerves mainly supply the intercostal muscles, skin of the chest wall, and parietal pleura?

Anterior rami of the upper thoracic spinal nerves.

Which arteries are direct continuations of the internal thoracic artery in the anterolateral abdominal wall?

Superior epigastric artery.

Which vein runs parallel to the superior epigastric artery in the anterolateral abdominal wall?

Superficial epigastric vein.

Which vessels drain the abdominal wall?

Epigastric veins

What is the nerve supply for the innermost intercostal muscles?

Intercostal nerves (T1-T11)

Which arteries mainly supply the thoracic wall?

Internal thoracic arteries

Which veins mainly drain the thoracic wall on the right side?

Internal thoracic veins

Which artery is a direct continuation of the internal thoracic artery and supplies the superior part of the anterolateral abdominal wall?

Superior epigastric artery

Which veins drain the posterior intercostal veins on the left side?

Hemiazygos veins

Which nerve supplies the intercostal muscles, skin of the chest wall, and parietal pleura?

Anterior rami of the upper thoracic spinal nerves

Which vein runs parallel to the superior epigastric artery in the anterolateral abdominal wall?

Superficial epigastric vein

Which arteries mainly supply the breast?

All of the above

Match the following anatomical features with their primary functions or characteristics:

Mammary glands = Modified sweat glands in the superficial fascia Nipple = Innervated by the 4th intercostal N Arterial supply of the thoracic wall = Mainly by posterior and anterior intercostal arteries Venous drainage of the thoracic wall = Mainly through posterior and anterior intercostal veins

Match the following anatomical structures with the source of their arterial supply:

Breast = Axillary A., Internal thoracic A., 2nd to the 4th intercostals arteries Thoracic wall = Posterior intercostal arteries, Anterior intercostal arteries Anterolateral abdominal wall = Superior epigastric artery, Inferior epigastric artery, Branches of intercostal arteries

Match the following anatomical structures with their venous drainage:

Breast = Axillary, internal thoracic & intercostal veins Thoracic wall = Posterior intercostal veins, Anterior intercostal veins Anterolateral abdominal wall = Veins that run parallel to the arteries

Match the following anatomical structures with their nerve supply:

Breast = 2nd to 6th intercostal nerves Thoracic wall = Anterior rami of the upper thoracic spinal nerves Anterior abdominal wall = Lower intercostal nerves

Match the following anatomical structures with their lymphatic drainage:

Breast = 75% into axillary nodes, the rest mainly into the parasternal lymph nodes

Test your knowledge on the muscles, vessels, and nerves of the thoracic and anterior abdominal walls, as well as the breast, with this quiz based on the BMS Anatomy Asynchronous Lecture 3. This quiz is based on the book "Moore's Clinically Oriented Anatomy" by Arthur F. Dalley II and Anne M. R. Agur.

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