Review Of Topic 6.2 The Blood System Question Preview (ID: 56150)
Heart Structure And Function.
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Thick muscle wall, narrow lumen, and thick connective tissue describes
a) Arteries
b) Capillaries
c) Veins
d)
Which are the characteristics of blood flowing through most arteries and veins
a) Arteries slow velocity, veins fast velocity
b) Arteries high pressure, veins low pressure
c) Arteries deoxygenated, veins oxygenated
d) Arteries greater than 37 degrees, veins less than 37 degrees
The endocrine system can increase heart rate by releasing
a) melatonin
b) leptin
c) insulin
d) epinephrine
When the tricuspid valve is open, the
a) bicuspid is closed and the SL valves are closed
b) bicuspid is open and the SL valves are open
c) bicuspid is open and the SL valves are closed
d) bicuspid is closed and the SL valves are open
The SL valves close due to
a) increasing ventricular pressure
b) decreasing ventricular pressure
c) increasing atrial pressure
d) decreasing atrial pressure
Blood from the right ventricle moves into the
a) aorta
b) superior vena cava
c) coronary vein
d) pulmonary artery
Oxygen rich blood returns to the heart through the
a) pulmonary veins
b) pulmonary arteries
c) aorta
d) superior vena cava
Which valve prevents the back-flow of blood into the left atrium
a) tricuspid
b) bicuspid
c) pulmonary SL
d) aortic SL
Term to describe the fact the heart ca beat on its own
a) myogenic
b) scary
c) myocardium
d) apex
The first heart sound is due to
a) Closing if AV valves
b) Closing of SL valves
c)
d)
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