Cuarenta Flashcards
0
Q
This nerve decreases heart rate.
A
Vagus
1
Q
Heart rate is monitored and regulated by this structure.
A
Cardiovascular Center (medulla)
2
Q
The heart speeds up when we stand up quickly due to receptors here that detect blood pressure changes.
A
Cartoid Artery
3
Q
Explain the contractions of the chambers in the cardiac cycle.
A
Artia contracts, Ventricle contracts, all relax.
4
Q
Coronary arteries branch off from __.
A
Aorta
5
Q
The action of __ causes audible heart sounds.
A
Valves closing
6
Q
What causes heart murmers?
A
Valves closing improperly.
7
Q
The period of relaxation in the cardiac cycle.
A
Diastole
