A & P Flashcards
1
Q
Which order of blood flow is correct?
A
Bicuspid valve => left ventricle=> aortic valve
2
Q
The left side of the heart pumps
A
Oxygenated blood to the systemic circulation
3
Q
Which delivers blood to the heart muscle?
A
Coronary arteries
4
Q
The heart’s “pacemaker” is the
A
SA node
5
Q
What factors are used to calculate the volume of the blood pumped by the heart per minute?
A
Stroke volume
Heart rate
6
Q
The parasympathetic nervous system
A
Decreases the heart rate
7
Q
Which phase of the cardiac cycle is associated with the second heart sound (S2)?
A
Ventricle diastole
8
Q
Abnormal heart sounds are known as
A
Murmurs
9
Q
On an electrocardiogram, the QRS wave corresponds to
A
Depolarization of the ventricles
