Electrical
What is the function of the sinoatrial (SA) node?
What is to initiate the heartbeat
What layer of the heart is responsible for contraction?
What is the myocardium
How many chambers does the heart have?
What is 4
The P wave on an ECG represents?
What is atrial depolarization
The atrioventricular (AV) node is located in which part of the heart?
What is the right atrium
The heart has how many valves?
What is the innermost layer of the heart?
The endocardium
The QRS complex represents?
What is ventricular depolarization
What is the main role of the Bundle of His?
What is to transmit impulses to the Bundle Branches
Blood flows from the left atrium into the left ventricle through the?
What is the bicuspid valve
Which atrium gets blood from the body?
What is the right atrium
The normal heart rate for an adult is?
What is 60-100bpm
The Purkinje fibers are responsible for?
What is to conduct impulses to the ventricular myocardium
The structure that prevents backflow of blood into the left atrium is the?
What is the Mitral valve
Which blood vessels supply blood to the myocardium?
What is the coronary arteries
What is dextrocardia?
What is the heart being on the opposite side
The AV node delays conduction to allow?
What is ventricular filling
The heart is enclosed in a protective sac called the?
What is the Pericardium
What separates the left and right sides of the heart?
What is the septum
The normal heart rate for a baby is?
What is 80-140 bpm