Question

copyright © mcgraw hill llc. permission required for reproduction or display. jose calvo/alamy stock photo text alternative multiple choice question which of these is an artery? a b

Explanation:

To determine which is an artery, we use the anatomical knowledge that arteries typically have thicker, more muscular walls (to withstand high blood pressure) and a relatively smaller lumen compared to veins. In the image, structure B has a thicker wall and a smaller lumen, consistent with an artery's characteristics, while structure A likely has a thinner wall and larger lumen (more like a vein).

Answer:

B. B