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Vascular Ultrasound Exam 1
Questions and Answers (100% Pass)
the highest pressure in the cardiovascular system in a normal healthy supine
patient is in
✓ left ventricle pg. 163 daigle
the type of flow from all blood cells moving at about the same speed is
✓ plug flow pg. 20 Davies
the simplified formula for flow, Poiseulli's law
✓ Q=P/R pg. 168 Daigles/ Davies pg.22
Poiseuilles equation when the radius is known
✓ Q= change in P(pi)r^4/ 8nL, pg 168 Daigles
Q
✓ flow
triangle P
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✓ change in pressure
N
✓ viscosity
L
✓ length
What law states that the volumetric flow rate must be constant, proximal,,
within distal to a stenosis
✓ Continuity rule,
What system do we have
✓ a closed loop system, maintain constant flow rate
laminar flow that is found at bifurcation in a region of stenosis
✓ disturbed flow pg. 165 Daigles
What is the most significant factor contributing to resistance to resistance to
flow
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✓ radius of the vessel, pg. 22 Davies
The appearance of enlarged channels that attempt to bypass an obstruction
or hemodynamically significant stenosis is called
✓ collateral vessels, pg. 37 Davies
When there is sudden widening of a vessel, what happens to the flow of blood
and where might this occur?
✓ flow separation, flow near the outer walls and slows and reverses then
to join the stream , the bulb of carotid
the study of blood flow is called
✓ hemodynamics
Pressure is the lowest before, at, or after an obstruction vessel?
✓ at point of maximum stenosis, pressure decrease, flow decrease pg.
170 Daigles
Power doppler
✓ show if there is any flow at all in vessel
Master01 |Excellent Study Material| Latest update
Vascular Ultrasound Exam 1
Questions and Answers (100% Pass)
the highest pressure in the cardiovascular system in a normal healthy supine
patient is in
✓ left ventricle pg. 163 daigle
the type of flow from all blood cells moving at about the same speed is
✓ plug flow pg. 20 Davies
the simplified formula for flow, Poiseulli's law
✓ Q=P/R pg. 168 Daigles/ Davies pg.22
Poiseuilles equation when the radius is known
✓ Q= change in P(pi)r^4/ 8nL, pg 168 Daigles
Q
✓ flow
triangle P
Master01 |Excellent Study Material| Latest update
, 1|Page | © copyright Master01| Grade A+
✓ change in pressure
N
✓ viscosity
L
✓ length
What law states that the volumetric flow rate must be constant, proximal,,
within distal to a stenosis
✓ Continuity rule,
What system do we have
✓ a closed loop system, maintain constant flow rate
laminar flow that is found at bifurcation in a region of stenosis
✓ disturbed flow pg. 165 Daigles
What is the most significant factor contributing to resistance to resistance to
flow
Master01 |Excellent Study Material| Latest update
, 1|Page | © copyright Master01| Grade A+
✓ radius of the vessel, pg. 22 Davies
The appearance of enlarged channels that attempt to bypass an obstruction
or hemodynamically significant stenosis is called
✓ collateral vessels, pg. 37 Davies
When there is sudden widening of a vessel, what happens to the flow of blood
and where might this occur?
✓ flow separation, flow near the outer walls and slows and reverses then
to join the stream , the bulb of carotid
the study of blood flow is called
✓ hemodynamics
Pressure is the lowest before, at, or after an obstruction vessel?
✓ at point of maximum stenosis, pressure decrease, flow decrease pg.
170 Daigles
Power doppler
✓ show if there is any flow at all in vessel
Master01 |Excellent Study Material| Latest update
