PATHOLOGY

PATHOLOGY MCQ

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The blood vessel that has the largest diameter is
A
vein
B
artery
C
capillary
D
venule
Explanation: 

Detailed explanation-1: -Largest blood vessel in the body is carotid systemic or dorsal aorta. Dorsal Aorta: Dorsal aorta arises from the left ventricle of heart.

Detailed explanation-2: -The arterioles vary from 8 to 60 micrometers. The arterioles further subdivide into meta-arterioles. Capillaries are thin-walled vessels composed of a single endothelial layer. Because of the thin walls of the capillary, the exchange of nutrients and metabolites occurs primarily via diffusion.

Detailed explanation-3: -The vena cava is the largest vein in the body.

There is 1 question to complete.