Cardiac Physiology

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

• Pericardium

• Pericardial blood

• Myocardial fluid

• Endocardial fluid

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

• Upper Right atrium

• Left atrium

• Lower Right ventricle

• Lower Left ventricle

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

• Right atrium

• Left atrium

• Lower Right ventricle

• Lower Left ventricle

The heartbeat is normally regulated by:

• Cranial nerves

• Sympathetic and Parasymphathetic nervous systems

• Spinal nerves

• None of the choices

Tags

NGSS.HS-LS1-3

A condition in which the heart is unable to pump adequate amounts of blood to the tissues and organs is called:

• Cardiac failure

• Congestive failure

• Rheumatic heart disease

• Artariosclerpais

Tags

NGSS.HS-LS1-3

The heart is divided into how many primary sections?

• 1

• 2

• 3

• 4

The main function of the ventricles is:

• Receiving blood

• Pumping blood

• Holding blood

• Distributing blood

The ventricle that supplies blood to ten pulmonary arteries when it contracts is:

• Right

• Left

• Frontal

• Posterior

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