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Review Of Topic 6.2 The Blood System
Test Description: Heart structure and function
Instructions: Answer all questions to get your test result.
1) Thick muscle wall, narrow lumen, and thick connective tissue describes
A
Capillaries
B
Arteries
C
Veins
2) Which are the characteristics of blood flowing through most arteries and veins
A
Arteries high pressure, veins low pressure
B
Arteries deoxygenated, veins oxygenated
C
Arteries greater than 37 degrees, veins less than 37 degrees
D
Arteries slow velocity, veins fast velocity
3) The endocrine system can increase heart rate by releasing
A
leptin
B
melatonin
C
epinephrine
D
insulin
4) When the tricuspid valve is open, the
A
bicuspid is closed and the SL valves are open
B
bicuspid is closed and the SL valves are closed
C
bicuspid is open and the SL valves are open
D
bicuspid is open and the SL valves are closed
5) The SL valves close due to
A
decreasing ventricular pressure
B
increasing atrial pressure
C
decreasing atrial pressure
D
increasing ventricular pressure
6) Blood from the right ventricle moves into the
A
pulmonary artery
B
coronary vein
C
superior vena cava
D
aorta
7) Oxygen rich blood returns to the heart through the
A
pulmonary arteries
B
superior vena cava
C
aorta
D
pulmonary veins
8) Which valve prevents the back-flow of blood into the left atrium
A
bicuspid
B
pulmonary SL
C
tricuspid
D
aortic SL
9) Term to describe the fact the heart ca beat on its own
A
myogenic
B
scary
C
myocardium
D
apex
10) The first heart sound is due to
A
Closing of SL valves
B
Closing if AV valves
*select an answer for all questions
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