The partition where the bundle branches are located is called the __________.
Crushing chest pain caused by oxygen deprivation of the myocardium is called __________.
The visceral layer of the serous pericardium is actually the same layer as the __________.
The two superior receiving chambers of the heart are known as the __________, while the two inferior discharging chambers of the heart are known as the __________
The valves located between the atria and ventricles are known as the __________ valves.
__________ are abnormal heart sounds that are fairly common in young children with healthy hearts because their heart walls are relatively thin and vibrate with rushing blood
The thick layer of the heart wall that contains contractile cardiac muscle tissue is the:
The layer of the heart wall synonymous with the visceral layer of the serous pericardium is:
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the:
left ventricle to the left atrium
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart:
sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle, right and left bundle branches, Purkinje fibers
A person with a heart rate of 75 beats per minute and a stroke volume of 60 mL per beat has a cardiac output of:
The path of blood flow within the systemic vascular system is:
arteries, arterioles, capillary beds, venules, veins
Which one is the correct sequence going from the outermost to the innermost layer of a blood vessel wall:
tunica externa, tunica media, tunica intima
Cardiac muscle is enclosed by a double sac of serous membrane known as the peritoneum. true or false
The chordae tendineae anchor the semilunar valves to the walls of the ventricles. true or false
The semilunar valves prevent the backflow of blood into the atria when the ventricles are contracting.
The portion of the aorta in the abdominopelvic cavity is known as the thoracic aorta true or false