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.
The pointed tip of the heart that is directed toward the left hip is called the __________.
Lack of adequate blood supply to the heart is called __________.
When ventricles __________, the AV valves are closed.
The circulation from the heart to the lungs and back is known as __________ circulation
__________ 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 term that means heart contraction is __________.
The average heart beats about __________ times per minute
The smallest blood vessels known as __________ connect arterioles and venules.
The narrowing of blood vessels is known as __________.
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:
What structure divides the left from the right ventricle:
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the:
left ventricle to the left atrium
The superior vena cava empties:
deoxygenated blood into the right atrium
The aortic semilunar valve is composed of:
three cusps and opens when the left ventricle contracts
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
The right and left renal veins empty blood from the:
inferior vena cava
Which one of the following areas is NOT a pressure point:
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.
Systole means contraction of the ventricles. true or false
The portion of the aorta in the abdominopelvic cavity is known as the thoracic aorta true or false
Heart chamber with the thickest wall
Superior discharging chamber on the left side of the heart
Heart chamber that pumps blood to the pulmonary trunk
Heart chamber that contains the sinoatrial node
Roof of this chamber contains the bicuspid valve