WorksheetsBasic anatomy and physiology of the heart
Total questions: 30
Worksheet time: 15mins
What is the primary function of the myocardium?
To supply blood to the heart
To form a sac around the heart
To pump blood through contraction
To separate the atria
Which layer of the heart is responsible for preventing friction?
Pericardium
Endocardium
Myocardium
Epicardium
What is the role of the SA node?
To separate the atria and ventricles
To act as the heart's primary pacemaker
To supply blood to the myocardium
To conduct impulses to the bundle of His
Which valve separates the left atrium from the left ventricle?
Pulmonary valve
Tricuspid valve
Aortic valve
Bicuspid (mitral) valve
What is the function of the AV node?
To regulate impulses between atria and ventricles
To generate electrical impulses
To carry blood to the lungs
To separate the ventricles
Which arteries are the only ones to carry deoxygenated blood?
Right coronary artery
Aorta
Pulmonary arteries
Coronary arteries
What is the function of the Purkinje fibers?
To separate the atria
To act as a backup pacemaker
To supply blood to the heart
To conduct electrical impulses through the ventricles
What is the role of the right coronary artery (RCA)?
To supply oxygenated blood to the right atrium and part of the left atrium
To act as the heart's primary pacemaker
To carry deoxygenated blood to the lungs
To separate the ventricles
What is the primary function of the atrioventricular valves?
To separate the atria
To regulate impulses between atria and ventricles
To conduct electrical impulses through the ventricles
To separate the atria and ventricles
What is the function of the Bachmann's bundle?
To act as a backup pacemaker
To supply blood to the myocardium
To separate the atria and ventricles
To ensure near simultaneous depolarization of both atria
Which layer of the heart is the innermost?
Epicardium
Myocardium
Pericardium
Endocardium
What is the role of the bundle of His?
To separate the atria
To transmit impulses to the bundle branches
To supply blood to the myocardium
To act as the heart's primary pacemaker
What is the function of the interventricular septum?
To separate the atria
To conduct impulses to the bundle of His
To separate the ventricles
To supply blood to the heart
Which artery carries oxygen-rich blood away from the heart?
Pulmonary artery
Right coronary artery
Aorta
Left coronary artery
What is the function of the pericardium?
To act as the heart's primary pacemaker
To supply blood to the myocardium
To prevent friction with heart muscular action
To separate the atria
What is the role of the AV junction?
To separate the atria
To act as a backup pacemaker
To supply blood to the myocardium
To conduct impulses to the bundle of His
What is the function of the P wave on an EKG?
To indicate atrial depolarization
To indicate the separation of the atria
To indicate ventricular depolarization
To indicate the heart's primary pacemaker
What is the role of the right bundle branch (RBB)?
To act as the heart's primary pacemaker
To separate the atria
To carry the electrical impulse from the bundle of His to the Purkinje fibers
To supply blood to the myocardium
What is the function of the left bundle branch (LBB)?
To carry the electrical impulse from the bundle of His to the Purkinje fibers of the left ventricle
To act as the heart's primary pacemaker
To separate the atria
To supply blood to the myocardium
What is the role of the aortic valve?
To separate the left ventricle from the aorta
To act as the heart's primary pacemaker
To separate the right atrium from the right ventricle
To supply blood to the myocardium
What is the function of the pulmonary valve?
To act as the heart's primary pacemaker
To supply blood to the myocardium
To separate the left ventricle from the aorta
To separate the right ventricle from the pulmonary arteries
What is the role of the coronary arteries?
To carry deoxygenated blood to the lungs
To supply oxygen-rich blood to the myocardium
To act as the heart's primary pacemaker
To separate the atria
What is the function of the interatrial septum?
To separate the atria
To separate the ventricles
To supply blood to the heart
To conduct impulses to the bundle of His
What is the role of the apex of the heart?
To separate the atria
To form the lower, pointed end of the heart
To supply blood to the myocardium
To act as the heart's primary pacemaker
What is the function of the mediastinum?
To separate the atria
To supply blood to the myocardium
To contain the heart and great vessels
To act as the heart's primary pacemaker
What is the role of the tricuspid valve?
To supply blood to the myocardium
To separate the right atrium from the right ventricle
To separate the left atrium from the left ventricle
To act as the heart's primary pacemaker
What is the function of the atrium?
To pump blood to the lungs and entire body
To fill the ventricles with blood
To separate the atria
To act as the heart's primary pacemaker
What is the role of the ventricles?
To act as the heart's primary pacemaker
To fill the atria with blood
To pump blood to the lungs and entire body
To separate the atria
What is the function of depolarization in the heart?
To supply blood to the myocardium
To separate the atria
To cause muscle contraction
To act as the heart's primary pacemaker
What is the role of automaticity in cardiac cells?
To supply blood to the myocardium
To act as the heart's primary pacemaker
To spontaneously generate electrical activity
To separate the atria
