Q: Which artery is called "mother of all end arteries"?


Answer: Brachial artery

Due to its designation of sole supplier around elbow for downward areas, Brachial artery is called "mother of all end arteries". Before advent of ultrasound, arterial line insertion was highly discouraged in brachial artery, due to possible hematoma and nerve injury.

Still Radial and femoral artery are preferable over brachial artery for A-line insertion.