Heart: Right Ventricle

Question 1

What is the interconnecting muscle ridges located int eh ventricular wall?

Answer 1

Trabeculae Carnae

Question 2

What are the cone shaped muscles that originate to the ventricle wall which are the attachment sites of the chordae tendinae?

Answer 2

Papillary Muscle

Question 3

How are the papillary muscles named in the ventrice?

Answer 3

For the cusp that they are associated.

Question 4

What are the three pappilary muscles of the right ventricle?

Answer 4

1) Anterior
2) Posterior
3) Septal

Question 5

Which of the papillary muscles of the right ventricle is the largest?

Answer 5

Anterior

Question 6

What is the main function of the chordae tendinae?

Answer 6

Prevent the eversion of the valve during ventricular contraction

Question 7

What are the cords that attach the papillary muscle to the boarders of the cusps of the tricuspid valve?

Answer 7

Chordae Tendinae

Question 8

What is the upper portion of the right ventricle which ends in the pulmonary trunk?

Answer 8

Conus Arteriosus

Question 9

What is the thick, muscular ridge which separates the conus arteriosus from the rest of the right ventricle?

Answer 9

Supraventriclar crest

Question 10

What is the large trabecula which extends from the intraventricular septum to the base of the anterior papillary muscle?

Answer 10

Septomarginal Trabecula (Moderator Band)