Question

10. Consider the following statements :
(a) Fats bypass the hepatic portal circulation
(b) Left ventricle supplies oxygenated blood to all
parts of body except lungs
(c) In atherosclerosis. lumen of arteries that
supply blood to heart gets narrower due to
deposition of calcium, fat, cholesterol etc.
(d) Among the four chambers of heart, left
ventricle has the thickest musculature
How many among the statements mentioned above
are correct?
(1) 3
(2) 4
(3) 1
(4) 2​

Answer 1

Answer:

Option 2 - 4. All four statements are correct.

Explanation:

1) "fats bypass hepatic portal vein" This statement is correct.

• The fats enter the lymph and not a hepatic portal vein.
• The lymph will drain in blood in the subclavian vein but not the portal vein.

2) "  Left ventricle supplies oxygenated blood to all parts of the body except the lungs. This statement is correct.

• The left ventricle is the chamber of the heart which is responsible for pumping oxygenated blood to tissues all over the body.
• The right ventricle alone supplies blood to the lungs.

3)" In atherosclerosis, the lumen of arteries that supply blood to the heart gets narrower due to deposition of calcium, fat, cholesterol". This statement is true.

• In atherosclerosis, fats, cholesterol, and calcium gets deposited in the walls of the arteries.
• This caused the narrowing of the artery.
• The depositions are called plaques.    
• Atherosclerosis is sometimes referred to as the "hardening of the arteries"

4) " Among the four chambers of the heart, the left ventricle has the thickest musculature". This statement is true.  

• The chamber of the heart that has the thickest muscle is the left ventricle.
• It is responsible for pumping the blood to all the parts of the body so it needs a strong muscle.

Hence, all the four given statements are correct.