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When the atria contract during a cardiac cycle, the ventricles are __________Blank. When the ventricles contract, the atria are __________Blank.Multiple Choicecontracting; relaxingcontracting; contractingrelaxing; contractingrelaxing; relaxing

Question

When the atria contract during a cardiac cycle, the ventricles are __________Blank. When the ventricles contract, the atria are __________Blank.Multiple Choicecontracting; relaxingcontracting; contractingrelaxing; contractingrelaxing; relaxing

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Solution

The correct answer is "relaxing; relaxing". During a cardiac cycle, when the atria contract, the ventricles are relaxing to allow blood to fill them. When the ventricles contract, the atria are also relaxing to fill with blood for the next cycle.

Similar Questions

What happens after the ventricles of the heart complete their contraction?Multiple choice question.All four chambers of the heart relax for a brief interval.The atria immediately begin contraction.All four chambers of the heart contract for a brief interval.

When the atria are contracting you would expect:Question 2Select one or more:a.The atrioventricular valves to be open.b.Pressure in the atria to be higher than the pressure in the ventricles.c.The semilunar valves to be open.d.Blood to be moving from ventricles to atria.e.The ventricles to be in diastole.

The short delay in impulse conduction at the _____________ allows time for the atria to contract before the ventricles begin contracting.

When the ventricles are contracting you would expect:Question 2Select one or more:a.Blood to be moving through the aorta and pulmonary trunk.b.The semilunar valves to be closed.c.Pressure in the ventricles to be lower than the pressure in the aorta and pulmonary trunk.d.The atria to be in diastole.e.The atrioventricular valves to be open.

Blood leaving the right ventricle flows into the ______.Multiple choice question.left ventricleaortapulmonary trunkright atria

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