While examining a histological slide under the microscope, a student notices a blood vessel.

While examining a histological slide under the microscope, a student notices a blood vessel. To determine if it’s an artery, which of the following histological features should the student look for as being characteristic of arteries? O Absence of smooth muscle in the vessel wall • A larger lumen relative to the vessel wall thickness O Absence of internal and external elastic membranes O A more rounded shape when sectioned Next