L13 The Cardiac Cycle Flashcards
1
Q
The first heart sound correlates with which wave on an ECG?
A
R-S wave
2
Q
The first heart sound is associated with:
A) Opening of AV valves
B) Closing of AV valves
C) Opening of SL valves
D) Closing of SL valves
A
B) Closing of AV valves
3
Q
The second heart sound is associated with:
A) Opening of AV valves
B) Closing of AV valves
C) Opening of SL valves
D) Closing of SL valves
A
D) Closing of SL valves
4
Q
What are the third and fourth heart sounds associated with?
A
These are abnormal and can indicate an underlying pathology
5
Q
When would you hear the third heart sound, if present?
A
After the S2, during diastole
6
Q
When would you hear the fourth heart sound?
A
During atrial systole
