87 notecards = 22 pages (4 cards per page)
This is the mass of tissue from the sternum to the vertebral column between the lungs.
This is the layer that protects the heart.
To which side of the body is the apex pointed?
Which of the following consists of inelastic dense irregular connective tissue?
This is used to reduce the friction between membranes of the heart.
This consists of mesothelium and connective tissue.
Which layer consists of cardiac muscle tissue?
This is used to increase the capacity of the atrium.
This marks the boundary between the ventricles.
These extend into the auricle.
Through which structure does blood pass from the right atrium to the right ventricle?
What types of tissue comprise the valves of the heart?
From the left ventricle, where does blood pass?
In a fetus, this structure temporarily shunts blood from the pulmonary trunk into the aorta.
As each ventricle contracts where does blood move?
As each atrium contracts where does blood move?
Which of the below valves prevents blood from flowing back from the lungs?
In this disorder the aortic valve is narrowed.
This heart structure carries deoxygenated blood.
This vessel distributes oxygenated blood to the myocardium.
Cardiac muscle fibers electrically connect to neighboring fibers by
Which of the following contains the largest amount of mitochondria?
This is a network of specialized cardiac muscle fibers that provide a path for each cycle of cardiac excitation to progress through the heart.
This is a the correct sequence of structures that allows the normal sequence of excitation to progress through the heart.
By comparison, cardiac muscle cells have _____________contraction plateau time than skeletal muscle cells.
This is the volume of blood ejected from the left ventricle into the aorta each minute.
This term refers to the period of time during a cardiac cycle when contraction occurs and blood pressure rises.
Which of these periods represents greatest cardiac output?
The second heart sound represents which of the below events?
This part of the heart can initiate a contraction and can set a constant heart rate of about 100 beats per minute.
Stimulation of this nerve reduces heart rate.
Which of the below reduces heart rate.
This part of the brain regulates heart rate.
This electrical event represents repolarization of the ventricle.
Which of the below factors would increase Stroke volume?
This electrical event triggers contraction of the atria.
This portion of the heart wall is responsible for the pumping action.
This is comprised of a thin layer of endothelium overlying a thin layer of connective tissue.
Which layer of the pericardium consists of dense irregular connective tissue?
In the diagram, where is the trabeculae carnae?
In the diagram, where is the coronary sulcus?
In the diagram, where is the left auricle of left atrium?
In the diagram, where is the ascending aorta?
In the diagram, these contain coronary blood vessels and a variable amount of fat.
In the diagram, where does the blood pass from the right atrium into the right ventricle?
In the diagram, which labeled structure is the pulmonary semilunar valve?
In the diagram, where is the atrioventricular valve?
In the diagram, which labeled structure is the anterior interventricular branch of the left coronary artery?
In the diagram, this supplies the walls of the ventricles with oxygenated blood.
In the diagram, all of the following carry oxygenated blood.
In the diagram, where is the marginal branch of the right coronary artery?
In the diagram, which labeled structure is the circumflex branch of the left coronary artery?
In the diagram, where is the posterior interventricular branch?
Which phases of a heartbeat shown in the diagram involve repolarization of the heart’s four chambers?
Where in the figure does depolarization events occur?
Which of the following represents coarctation of the aorta?
Which of the following represents an atrial septal defect?
Which of the following represents the formation of the primitive heart tube?
Which of the following represents formation of the endocardial tubes?
Which blood vessel shown in the figure carries oxygenated blood to the lower thoracic cavity and the abdominal cavity of the body?
Which labeled structure shown in the diagram is a remnant of fetal circulation that is not directly involved in adult circulation?
Which labeled blood vessel in the diagram is an artery carrying deoxygenated blood?
Which labeled blood vessel in the diagram is the left common carotid artery?
Which labeled blood vessel in the diagram is the right common carotid artery?
Which labeled blood vessel in the diagram is the left subclavian artery?
Which labeled structure shown in the diagram is a pouch-like extension that serves to slightly increase the capacity of an atrium?
What labeled structure in the figure is the ligamentum arteriosum?
Which labeled structure in the figure receives deoxygenated blood from the blood vessel labeled A?
What labeled structure in the figure divides into the right and left pulmonary arteries to carry blood to the lungs?
Which structure in the figure is labeled B?
Which structure in the figure is labeled C?
Which structure in the figure is labeled A?
Which labeled structure in the figure acts as the natural pacemaker of the heart?
Which labeled structure in the figure is the AV node?
Which labeled structure in the figure represents the only potential pathway for conducting action potentials from the atria to the ventricles?
Which labeled structure in the figure carries the cardiac action potential directly into the contractile fibers of the ventricular myocardium?
Cardiac output is the volume of blood ejected from the _____________ ventricle into the _____________ each minute.
The difference between a person’s maximum cardiac output and resting cardiac output is called the
What is the function of foramen ovale during fetal life?
Isovolumetric contraction is the phase of the cardiac cardiac cycle in which
Which of the following chambers of the heart is surrounded by the thickest layer of myocardium?
The process of listening to heart sounds using a stethoscope is referred to as
Heart murmurs are often heard in individuals with abnormalities in the of the heart.
Which of the following conditions would lead to an increase in the afterload for the ventricles thus lowering stroke volume and cardiac output?
In comparison to a sedentary individual, a well-trained athlete will usually have all the following characteristics EXCEPT
During heart transplants, the nerves are severed resulting in a faster resting heart rate (approximately 100 beats per minute) after the transplant.
A corrective cardiac procedure in which a large piece of a patient’s own latissimus dorsi muscle is wrapped around the heart and stimulated by an implanted pacemaker to assist the pumping action of a damaged heart.