Read the following four statements (A-D) :-(A) All the four chambers of heart are in relaxed state(B) Tricuspid and Bicuspid valves are open(C) Blood from the pulmonary veins and vena cava flows into the left and the right ventricle respectively through the left and right atria(D) The semilunar valves are closed How many statements are correct about Joint Diastole ?
Question
Read the following four statements (A-D) :-(A) All the four chambers of heart are in relaxed state(B) Tricuspid and Bicuspid valves are open(C) Blood from the pulmonary veins and vena cava flows into the left and the right ventricle respectively through the left and right atria(D) The semilunar valves are closed How many statements are correct about Joint Diastole ?
Solution
To determine how many statements are correct about Joint Diastole, we need to analyze each statement individually.
Statement (A) states that all four chambers of the heart are in a relaxed state during Joint Diastole. This statement is incorrect because during Joint Diastole, the atria are in a relaxed state, but the ventricles are contracting.
Statement (B) mentions that the Tricuspid and Bicuspid valves are open during Joint Diastole. This statement is incorrect because during Joint Diastole, the Tricuspid and Bicuspid valves are closed to prevent the backflow of blood into the atria.
Statement (C) states that blood from the pulmonary veins and vena cava flows into the left and right ventricles respectively through the left and right atria during Joint Diastole. This statement is correct because during Joint Diastole, the atria relax and allow blood to flow into the ventricles.
Statement (D) mentions that the semilunar valves are closed during Joint Diastole. This statement is correct because during Joint Diastole, the semilunar valves, including the aortic and pulmonary valves, are closed to prevent the backflow of blood into the ventricles.
Therefore, out of the four statements, only two statements (C and D) are correct about Joint Diastole.
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