Question

Match the valves of human heart in column I with the respective opening they guard in column II and select the correct option.

	Column I		Column II
i.	Eustachian valve	a.	Opening of pulmonary aorta
ii.	Thebesian valve	b.	Left atrioventricular aperture
iii.	Mitral valve	c.	Opening of inferior vena cava
iv.	Semilunar valve	d.	Opening of coronary sinus

Options

• i - c, ii - d, iii - b, iv - a

• i - c, ii - d, iii - a, iv - b

• i - d, ii - c, iii - b, iv - a

• i - b, ii - a, iii - c, iv - d

Answer 1

i - c, ii - d, iii - b, iv - a

Explanation:

	Column I		Column II
i.	Eustachian valve	c.	Opening of inferior vena cava
ii.	Thebesian valve	d.	Opening of coronary sinus
iii.	Mitral valve	b.	Left atrioventricular aperture
iv.	Semilunar valve	a.	Opening of pulmonary aorta