The Heart Flashcards
The left atrioventricular valve is called…
Biscuspid
Mitral
The right atrioventricular valve is called…
Tricuspid
Chordae tendinease are tendons that connect papillary muscles to the tricuspid and mitral valve.
True or false?
True!
The semilunar valves are found at the base of the 2 atrioventricular valves.
True or false?
FALSE
The 2 semilunar valves (aortic and pulmonary) PREVENT the flow of blood back into the heart.
True or false?
True!
The right ventricle ejects blood through the pulmonic valve into the…
Pulmonary arteries!
The right atria receives blood from the…
Inferior + superior vena cava and the coronary sinus.
The right ventricle is separated from the left by the septum.
True or false?
True!
The right ventricle is the LARGEST chamber of the heart.
True or false?
FALSE
The left ventricle receives DE-oxygenated blood as the left atrium contracts.
True or false?
FALSE
Arteries compared to the veins are thicker and more elastic.
True or false?
True!
Capillaries DO NOT have a selectively permeable membrane.
True or false?
FALSE
The sinoatrial node in the wall of the right atrium is the hearts natural pacemaker.
True or false?
True!
The bundle of His is part of an electrical conduction system that transmits impulses from AV mode to…
The ventricles of the heart
The plasma of blood contains…
Water
Proteins (albumins, globulins, fibrinogen)
Electrolytes (Na, Ca, Mg, Cl)
Glucose and clotting factors
