Network of Blood Vessels

Q.

Why are arteries deep-seated?

Q.

Name the blood vessel which has the thickest wall.

Q.

What are resistance blood vessels?

Q.

Why is the coronary artery called an artery?

Q.

How do you diagnose vascular disease?

Q. The entry of the pulmonary veins into the adjacent veins is guarded by

1. Haversian valve
2. Thebesian valve
3. Eustachian valve
4. None of the above

Q.

Arteries are the blood vessels which carry blood

1. away from the heart

2. towards the heart

3. none of them

4. both of them

Q. Match the following
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{1.Aorta}& \text{i. Carries deoxygenated blood from upper part of the body to the heart}\\ \text{2.Inferior vena cava}& \text{ii. Carries oxygenated blood from the lungs to heart}\\ \text{3.Superior vena cava}& \text{iii. Carries oxygenated blood from the heart to the other parts of the body}\\ \text{4.Pulmonary vein}& \text{iv. Carries deoxygenated blood from lower part of the body to the heart}\end{array}$

1. 1-iii, 2-iv, 3-i, 4-ii
2. 1-ii, 2-iv, 3-i, 4-iii
3. 1-iii, 2-i, 3-iv, 4-ii
4. 1-ii, 2-iv, 3-iii, 4-i

Q. The discoverer of the capillary system is

1. William Harvey
2. Einthoven
3. Marcello Malpighi
4. Karl Landsteiner

Q. Find the odd one out:

1. pulmonary artery
2. coronary artery
3. renal artery
4. carotid artery

Q. The wall of capillaries have a layer of

1. endothelium and smooth muscle
2. elastic fibres only
3. endothelium and elastic fibres
4. endothelium only

Q. The remnants of ductus arteriosus in the adults is called

1. columnae carneae
2. fossa ovalis
3. foramen ovale
4. ligamentum arteriosum