Blood Vessels:
The circulatory system consists of ……. types of vessels.
a) two
b) three
c) four
d) five
Explanation: 1. Arteries, 2. Veins and
3. Capillaries
The blood vessels which carry blood away from the heart are called…….
a) lacteals
b) arteries
c) veins
d) capillaries
Explanation: all the arteries transported oxygenated blood except pulmonary artery which carry deoxygenated blood from heart to the lungs for oxygenation
The wall of the artery is made up of …… layers.
a) two
b) three
c) four
d) five
Explanation: 1. Tunica externa
2. Tunica media and 3. Tunica interna
What is the
average blood pressure in veins?
a) 2mm Hg
b) 100mm Hg
c) 20mm Hg
d) 200mm Hg
Which of the following layer/s of artery wall is/are made up of smooth muscles and fewer elastic fibers?
a) tunica externa
b) tunica media
c) tunica interna
d) all of these