The 'Lubb' (1st) sound of the heart's LUBB DUPP? Is created by...
Blood Flowing down into the venticles
Atrioventricular valves openeing
Atrioventricular valves closing
Semilunar Valves opening
Blood flowing through the Pulmonary Trunk and Aorta
Semilunar Valves closing
During ventricular systole, which of the following occurs?
Atrioventricular valves close and semilunar valves close
Atrioventricular valves open and semilunar valves close
Atrioventricular valves open and semilunar valves are open
Atrioventricular valves close and semilunar valves open
The maximum pressure exerted on arteries during ventricular contraction is called________and is the ______number in blood pressure.
systolic pressure, top
systolic pressure, bottom
diastolic pressure, bottom
diastolic pressure, top
What is the anatomical pacemaker of the heart called...aka the part of the conduction system that initiates impulses.
Bundle of His
SA Node
Purkinje Fibers
AV bundle
AV node
Which part of the cardiac conduction system extends into the endocardium and stimulates the papillary muscles to pull on the chordae tendinae to prevent prolapse during ventricular contraction? Give the name and number!
Purkinje Fibers, 3
SA Node, 1
AV bundle, 2
AV bundle, 4
AV node, 2
SA Node, 2
SA Node, 3
AV node, 3
Purkinje Fibers, 4
AV bundle, 1
AV node, 1
Purkinje Fibers, 2
SA Node, 3
Purkinje Fibers,1
AV bundle, 3
AV node, 4
Put the following in the order through which electricity flows during the cardiac conduction cycle.
Purkinje Fibers
AV node
SA Node
AV bundle/bundle of his
If the atria are depolarized which of the following is occuring ----select all that apply
diastole
contraction
relaxation
systole
The T wave represents......
SA node triggers depolarization in atria
Delay caused by the SA node
AV node triggers depolarization in ventricle, the main pumpung action
Diastole of the ventricle
The PR segment represents
SA node triggers depolarization in atria
Delay caused by the SA node
AV node triggers depolarization in ventricle, the main pumpung action
Diastole of the ventricle
The P wave represents
AV node triggers depolarization in ventricle, the main pumpung action
Delay caused by the SA node
Diastole of the ventricle
SA node triggers depolarization in atria
If the distance from R-R on an ECG is 10, the person is...