Cardiac, anatomy and physiology

As the electrical impulse travels to the Purkinje fibers which of the following will be stimulated after the heart rests?

• Bundle branches

• Bundle of His

• SA node

• AV node

As the electrical impulse travels to the AV node which of the following will be stimulated next?

• Purkinje fibers

• Bundle of His

• SA node

• Bundle branches

When the SA node fires this causes which of the following to happen?

• Ventricles to contract

• Resting phase

• atrias to contract

• None of the choices

After the ventricles contract in a normal heart beat, which of the following will happen?

• Ventricles contract

• Resting phase

• Atrias contract

• None of the choices

After the atrias contract in a normal heartbeat, which of the following will happen?

• Ventricles contract

• Resting phace

• Atrias contract

• None of the above

Which vessles carry unoxyginated blood to the lungs from the heart?

• Pulmonary veins

• Pulmonary Arteries

• Pulmonary neurons

• None of the choices

What is the name of the fluid sac that surrounds the heart?

• Pericardium

• Pericardial blood

• Myocardial fluid

• Endocardial fluid

Which of the following is the name of the fluid the heart floats in?

• Serious fluid

• Pericardial fluid

• Myocardial fluid

• Endocardial fluid

Which of the following is the name of the inside layer of tissue in the heart?

• Pericardium

• Epicardium

• Myocardium

• Endocardium

In which of the following chambers can the SA node be found?

• Upper Right atrium

• Left atrium

• Lower Right ventricle

• Lower Left ventricle