ECG Basic SCST Certificate

What is meant by the term Hypertension?

• Decreased blood flow to the brain
• High blood pressure

• Low blood pressure

• Elevated heart rate

What are top chambers of the heart called?

• Atriums

• Coronary arteries
• Aorta
• Ventricles
• Valves

What is the natural pacemaker of the heart?

• bundle of His
• ventriculatrial (VA) node
• sinoatrial (SA) node
• atrioventricular (AV) node
• purkinje fibers

What is the primary cause of Hypertension?

• Genetic factors

• High salt intake

• Low physical activity

• All of the above

What is the function of the ventricles in the heart?

• Pumping blood to the lungs and body

• Receiving blood from the body

• Filtering blood

• Regulating heart rhythm

What is the pericardium?

• The pericardium is a type of muscle that helps with breathing.
• The pericardium is a type of blood vessel in the heart.
• The pericardium is a double-walled sac that contains the heart and the roots of the great vessels.
• The pericardium is a type of nerve that controls heart rate.
• The pericardium is a type of bone in the leg.

What part of the conduction system comes before the Bundle of His?

• Ventricles
• Atria
• AV node
• Purkinje fibers
• SA node

If blood flows backwards from the Left Ventricle where will it flow to?

• Right Atrium
• Right Ventricle
• Left Atrium
• Pulmonary Artery
• Aorta

Which blood vessel carries oxygenated blood from the lungs to the heart?

• Pulmonary artery

• Pulmonary vein

• Aorta

• Superior vena cava

• Inferior vena cava

What is the function of the atrioventricular (AV) node in the heart?

• Initiates the heartbeat

• Delays the electrical signal before it passes to the ventricles

• Contracts the atria

• Contracts the ventricles

• Regulates blood pressure