Heart Physiology Study Guide Test.
_____ generates impulse causing _____ _____ - CORRECT ANSWER SA node, atrial excitation
Impulse is delayed at - CORRECT ANSWER AV node
Leaving the AV node, the impulse goes to the - CORRECT ANSWER heart apex
_____ _____ begins when the impulse is passed to the heart apex - CORRECT ANSWER ventricular
excitation
Ventricular excitation is complete at the - CORRECT ANSWER purkinje fibers
P wave corresponds to - CORRECT ANSWER depolarization of SA node
QRS complex corresponds to - CORRECT ANSWER ventricular depolarization
T wave corresponds to - CORRECT ANSWER ventricular repolarization
_____ _____ record is masked by the large QRS complex - CORRECT ANSWER atrial repolarization
Sounds of aortic valve are heard in - CORRECT ANSWER 2nd intercostal space at right sternal margin
Sounds of pulmonary valve are heard in - CORRECT ANSWER 2nd intercostal space at left sternal margin
Sounds of mitral valve are heard over the apex in - CORRECT ANSWER 5th intercostal space in line with
middle of clavicle
Sounds of tricuspid valve are heard in - CORRECT ANSWER 5th intercostal space in right sternal margin
, Peak of atrial depolarization is represented on the _____ _____ of EKG - CORRECT ANSWER P wave
Peak of ventricular depolarization is represented on the _____ _____ of EKG - CORRECT ANSWER R wave
Peak of ventricular repolarization is represented on the ____ _____ of EKG - CORRECT ANSWER T wave
Lub-dup heart sounds are associated with - CORRECT ANSWER closing of heart valves
First heart sound (lub) occurs as the _____ _____ close and signifies beginning of _____ - CORRECT
ANSWER AV valves, systole
Second heart sound (dup) occurs as the _____ _____ close at the beginning of _____ _____ - CORRECT
ANSWER sl valves, ventricular diastole
Refers to all events associated with blood flow through the heart - CORRECT ANSWER cardiac cycle
Contraction of heart muscle - CORRECT ANSWER systole
Relaxation of heart muscle - CORRECT ANSWER diastole
Ventricular filling occurs - CORRECT ANSWER mid to late diastole
Heart blood pressure is low as blood enters _____ and flows into _____ - CORRECT ANSWER atria,
ventricles
As ventricular filling is occurring, _____ _____ are open, then _____ _____ occurs - CORRECT ANSWER
av valves, atrial systole
Relaxes during ventricular systole - CORRECT ANSWER atria
_____ generates impulse causing _____ _____ - CORRECT ANSWER SA node, atrial excitation
Impulse is delayed at - CORRECT ANSWER AV node
Leaving the AV node, the impulse goes to the - CORRECT ANSWER heart apex
_____ _____ begins when the impulse is passed to the heart apex - CORRECT ANSWER ventricular
excitation
Ventricular excitation is complete at the - CORRECT ANSWER purkinje fibers
P wave corresponds to - CORRECT ANSWER depolarization of SA node
QRS complex corresponds to - CORRECT ANSWER ventricular depolarization
T wave corresponds to - CORRECT ANSWER ventricular repolarization
_____ _____ record is masked by the large QRS complex - CORRECT ANSWER atrial repolarization
Sounds of aortic valve are heard in - CORRECT ANSWER 2nd intercostal space at right sternal margin
Sounds of pulmonary valve are heard in - CORRECT ANSWER 2nd intercostal space at left sternal margin
Sounds of mitral valve are heard over the apex in - CORRECT ANSWER 5th intercostal space in line with
middle of clavicle
Sounds of tricuspid valve are heard in - CORRECT ANSWER 5th intercostal space in right sternal margin
, Peak of atrial depolarization is represented on the _____ _____ of EKG - CORRECT ANSWER P wave
Peak of ventricular depolarization is represented on the _____ _____ of EKG - CORRECT ANSWER R wave
Peak of ventricular repolarization is represented on the ____ _____ of EKG - CORRECT ANSWER T wave
Lub-dup heart sounds are associated with - CORRECT ANSWER closing of heart valves
First heart sound (lub) occurs as the _____ _____ close and signifies beginning of _____ - CORRECT
ANSWER AV valves, systole
Second heart sound (dup) occurs as the _____ _____ close at the beginning of _____ _____ - CORRECT
ANSWER sl valves, ventricular diastole
Refers to all events associated with blood flow through the heart - CORRECT ANSWER cardiac cycle
Contraction of heart muscle - CORRECT ANSWER systole
Relaxation of heart muscle - CORRECT ANSWER diastole
Ventricular filling occurs - CORRECT ANSWER mid to late diastole
Heart blood pressure is low as blood enters _____ and flows into _____ - CORRECT ANSWER atria,
ventricles
As ventricular filling is occurring, _____ _____ are open, then _____ _____ occurs - CORRECT ANSWER
av valves, atrial systole
Relaxes during ventricular systole - CORRECT ANSWER atria
