Quiz 3: The Heart
depolarization of the ventricles is represented on an electrocardiogram by the:
QRS complex
the left ventricle pumps blood to the:
aorta
left atrium
identify the highlighted chamber
right ventricle?
identify the highlighted chamber
chordae tendineae
identify the highlighted structure
intercalated disc
identify the highlighted structure
left ventricle**
identify the highlighted structure
tricuspid valve
identify the highlighted structure
pulmonary valve??
identify the highlighted valve
coronary sinus?
identify the highlighted vessel
right coronary artery
identify the highlighted vessel
ligamentum arteriosum
identify the structure labeled "21"
the atrioventricular valves permit blood flow:
in one direction only
The foramen oval in the fetal heart is located in the:
interatrial septum
the highlighted structure is the ______septum
interventricular
blood traveling in this vessel will next enter which structure?
right atrium
the T wave on an ECG tracing represents:
ventricular repolarization
the first heart sound is heard when the:
AV valves close
cardiac muscle cells and skeletal muscle cells differ in a few ways. what is NOT one of them?
cardiac muscle cells lack transverse tubules
The P wave of the electrocardiogram is a signal from:
depolarization of the atria