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lab 5 quiz flashcard
1.
The heart is really just a ____________ .
- neither of these
- pump
- metabolizer
- both of these
pump
2.
According to this video, what is the main "concern" of the heart?
- circulating vitamins
- pumping blood
- circulating minerals
- maintaining pressure
maintaining pressure
3.
About how many beats per day does the heart pump?
- 1,000,000
- 10,000
- 50,000
- 100,000
100,000
4.
Most mammals have about the same amount of heartbeats in a lifetime.
T/F
true
5.
The heart rests in a double-walled sac called the ____________________ .
- ventricle
- pericardium
- microglia
- atrium
pericardium
6.
What is the most inner layer (number 3) called?
- Epicardium
- None of these
- Endocardium
- Myocardium
Endocardium
7.
The two arrows are pointing to what structures?
- All of these
- Atria
- Septa
- Ventricles
Atria
8.
What is the "lub dub" that you hear when listening to someone's heart?
- Atria
- Ventricles
- None of these
- Valves opening and closing
Valves opening and closing
9.
To what structure is this arrow pointing?
- Right artery
- Left ventricle
- Aortic Semilunar Valve
- Pulmonary Semilunar Valve
Aortic Semilunar Valve
10.
To which structure is this arrow pointing?
- Superior Vena Cava
- Aorta
- Supraorbital nerve
- Inferior Vena Cava
Superior Vena Cava