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  •  Tricuspid valve is present in  Option: 1 Right atria and right ventricle &nbsp

 Tricuspid valve is present in

 

Option: 1

Right atria and right ventricle

 


Option: 2

Left atria and left ventricle

 


Option: 3

Wall of atrium

 


Option: 4

Wall of ventricles

 


Answers (1)

best_answer
 

In heart, to prevent the backflow of blood or to maintain unidirectional flow of blood, following specialised valves are present in heart

1. Tricuspid valve - It guards the right atrio-ventricular opening and it has three flaps. During ventricular contraction, it prevents backflow of blood from the right ventricle into the right atrium 
2. Pulmonary valve ( semilunar) - It is present in the form of three half- moon shaped pockets at the base of the pulmonary trunk and aorta. These allow free and forward flow of blood, however, prevents backward flow from pulmonary trunk into right ventricle
3. Mitral valve (bicuspid valve) - The atrioventricular opening between the left atrium and the left ventricle is guarded by mitral valve or bicuspid valve. It prevents backflow from the left ventricle into the left atrium 
4. Aortic valve - It is present at the initial point of aorta and prevents backflow of blood from the aorta into the left ventricle
5. Eustachian valve - It is located at the opening of superior vena cava and prevents backflow of blood from right atrium
6. Thebasian valve ( coronary valve) - This valve is present over the opening of coronary sinus and prevents backflow of blood from the right atrium
 

Tricuspid valve - It guards the right atrio-ventricular opening and it has three flaps. During ventricular contraction, it prevents backflow of blood from the right ventricle into the right atrium. Hence, the correct answer is option a.

Posted by

Rishabh

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