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ARDMS vascular registry review exam questions and answers.
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ARDMS vascular registry review exam questions and answers.
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ARDMS vascularregistry review
exam questions
and answers
What must be present in order for flow to occur?
stenosis
pressure gradient
kinetic energy
potential energy - answer pressure gradient
The movement and direction of blood flow is known
as:
work
pressure
potential energy
kinetic energy - answer kinetic energy
,Static pressure transformed to dynamic pressure is
stated in:
bernoulli principle
conservation of energy law
poiseuille's law
reynolds numbere - answer conservation of energy
law
What is described as 'force per unit area':
work
power
pressure
watt - answer pressure
Which of the following most influences hydrostatic
pressure?
systolic blood pressure
person's height
diastolic blood pressure
diameter of the artery or vein - answer person's
height
If a pressure gradient increases, what happens to
flow?
,no change
increases
increases by factor of 4
decreases - answer increases
The amount of fluid moving past a point at a
specific time is known as:
volumetric flow rate
fluid viscosity
velocity
pressure - answer volumetric flow rate
If the viscosity of blood increases, what happens to
resistance?
no change
decreases
increases
increases by a factor of 4 - answer increases
During systole, a nonrigid arterial wall will expand.
This is known as:
capacitance
compliance
continuity
, compression - answer compliance
If resistance increases, what happens to pressure?
no change
decreases
decreased by 1/2
increases - answer increases
If resistance increases, what happens to flow?
no change
decreases
decreases by 1/2
increases - answer decreases
The pressure at a stenosis is less than the pressure
proximal and distal to the stenosis area, this is
defined in:
reynolds number
poiseuille's equation
conservation of energy law
bernoulli principle - answer bernoulli principle
What does the number 2000 represent in the
formula for Reynolds number?
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