This Exercise Physiology Chapter #9 Quiz assesses knowledge on the human cardiovascular system, focusing on the function and direction of blood flow in different heart sections. It's designed to enhance understanding of heart anatomy and blood circulation, crucial for students and professionals in health-related fields.
True
False
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True
False
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True
False
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True
False
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Relaxation phase
Contraction phase
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Carry blood toward the heart
Carry blood away from the heart
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True
False
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True
False
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True
False
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True
False
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Pulmonary circuit
Systemic circuit
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To the body
To the lungs
To the right side of the heart
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Exchange O2 and CO2 and nutrients between tissues
Carry blood away from the heart
Carry blood to the heart
All of the above
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True
False
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Epicardium
Myocardium
Endocardium
Septum
Two of the above
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Septum
Epicardium
Endocardium
Myocardium
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True
False
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True
False
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True
False
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True
False
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Myocardium
Septum
Epicardium
Endocardium
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65bpm
75bpm
85bpm
92bpm
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Ventricular ejection
Isovolumetric ventricular contraction
Ventriclar Filling
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Tricuspid value
Bicuspid value
Pulmonary semilunar value
Aorta semilunar value
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.33 sec
.5 sec
.7 sec
.8 sec
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True
False
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Pressue in the ventricles is low
Semilunar valves open
Ventricles fill with blood from the atria when atria pressure exceeds ventricular pressue
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True
False
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True
False
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True
False
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.3 sec
.5 sec
.8 sec
.95 sec
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True
False
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Contracts via the sliding filament theory
Contains actin and myosin in the myocardium
It is striated
It is voluntary
All are true
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Pulmonary artery
Pulmonary vein
Coronary vessels
Superior vena cava
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True
False
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Fills with blood
Ejection of blood
Is in the relaxation phase
Two above
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100%
80%
70%
60%
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Sarcolemma
Sarcoplasmic reticulum
Extracellular calcium
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100%
70%
30%
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Septum
Extracelluar Calcium
Sarcolemma
Two of tha above
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Improves antioxidant capacity
Reduces potassium overload
Reduces calcium overload
All of the above
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It is fibers shorter
Has more mitrochondria then type I
No fiber type
Multiple nuclei
All are true
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