Uppermost structure seen at the hilum of the left lung is:
a. Pulmonary artery
b. Pulmonary vein
c. Bronchus
d. Bronchial artery
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The Correct option is A
Explanation with High Yield Points:
Mnemonic is Atal Bihari Vajpayee (ABV) -Arrangement of pulmonary structures at the hilum of the lungs -
ABV: From (A)bove to below: (A)rtery-(B)ronchus-(v)ein. -Pulmonary artery is uppermost whereas, pulmonary vein is inferior most. This applies well to left lung.
- For right lung one additional bronchus goes above the artery and is called as ep-arterial bronchus.
- Hence, in the right lung the uppermost structure in the hilum will be a bronchus.
NOTE: There are 2 veins which are named anterior & inferior according to their location at the hilum. (Similar arrangement on both sides). Bronchus & bronchial arteries are always posterior most structures at the hila of both lungs.
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