An 80-year-old man is diagnosed with severe atherosclerosis. He has been a heavy smoker for 62 years and also has a long history of hypercholesterolemia.
Atherosclerotic occlusion of which of these arteries will cause insufficient perfusion of the urinary bladder?
A- External iliac
B- Inferior epigastric
C- Internal iliac
D- Lateral sacral
The internal iliac artery supplies the bladder through its superior and inferior vesicular branches. This question is basically asking which artery supplies the urinary bladder, masked in a clinical scenario. This is an example of how anatomy is tested in the USMLE Step 1.
The correct answer is C
The winner today is Claudiu Constantin Nicolaescu
A copy of the book:”Repeated USMLE Questions Step 1- 1″ by Ray Makar is sent to the winner.
Congratulations to the winner and good luck on the next question to other contestants.