PATHOLOGY

PATHOLOGY MCQ

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The heart pumps blood with a lot of pressure. For this reason the ____ walls are thick, resistant, and flexible.
A
artery
B
capillary
C
vein
D
cell
Explanation: 

Detailed explanation-1: -Arteries. An artery is a blood vessel that conducts blood away from the heart. All arteries have relatively thick walls that can withstand the high pressure of blood ejected from the heart.

Detailed explanation-2: -Thick walls of arteries help them to resist the pressure of the flow of blood in them. Elastic walls of arteries: The elastic layer allows stretching and absorbs pressure. The walls stretch and recoil in response to pumping, thus peaks in pressure are absorbed.

There is 1 question to complete.