MOCK TEST #5 CCI RCS Questions and answers. Latest version. Rated A
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MOCK TEST #5 CCI RCS Questions and answers. Latest version. Rated A
the study of blood moving through the circulatory system - hemodynamics
indicates the volume of blood moving during a particular time - flow (also called volume flow rate)
units for flow - L/min
indicates the speed ...
mock test 5 cci rcs questions and answers latest version rated a the study of blood moving through the circulatory system hemodynamics indicates the volume of blood moving during a particular
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MOCK TEST #5 CCI RCS Questions and
answers. Latest version. Rated A
the study of blood moving through the circulatory system - ✔✔hemodynamics
indicates the volume of blood moving during a particular time - ✔✔flow (also called volume flow rate)
units for flow - ✔✔L/min
indicates the speed of a fluid moving from one location to another - ✔✔velocity
units for velocity - ✔✔cm/s
3 basic forms of blood flow - ✔✔1. pulsatile
2. phasic
3. steady
occurs when blood moves with a variable velocity due to cardiac contraction, and appears in arterial
circulation - ✔✔pulsatile flow
occurs when blood moves with a variable velocity due to respiration, and appears in venous circulation -
✔✔phasic flow
occurs when a fluid moves at a constant speed or velocity - ✔✔steady flow
,flow that occurs when the flow streamlines are aligned and parallel - ✔✔laminar
when are laminar flow patterns found? - ✔✔normal physiological states
2 forms of laminar flow - ✔✔plug flow- occurs when all of the layers and blood cells travel at the same
velocity
parabolic- bullet-shaped profile where the velocity is highest in the center of the lumen
number that predicts whether flow is laminar or turbulent - ✔✔Reynolds number
What is the Reynolds number for laminar flow? - ✔✔less than 1500
flow characterized by chaotic flow patterns in many different directions and speeds - ✔✔turbulent flow
when is turbulence commonly observed? - ✔✔cardiovascular *pathology* and elevated blood velocities
turbulent flow profiles may be seen downstream from a significant _______ in a vessel - ✔✔stenosis
sounds that are associated with turbulent flow - ✔✔murmur/bruit
tissue vibration associated with turbulence - ✔✔thrill
what is the Reynolds number for turbulent flow? - ✔✔greater than 2000
Term for blood that is moving from regions of *higher* energy to *lower* energy. - ✔✔energy gradient
energy forms that are associated with blood - ✔✔1. kinetic
2. pressure
, 3. gravitational
the total energy at a specific location within the circulation is the _____ of all three energy forms -
✔✔sum
energy that is associated with a moving object - ✔✔kinetic
2 factors for kinetic energy - ✔✔1. mass of object
2. the speed at which it moves
form of energy that is stored - ✔✔pressure energy (aka potential energy)
form of energy that is stored- and is elevated - ✔✔gravitational
thickness of a fluid - ✔✔viscosity
the tendency of a fluid to resist changes in its velocity is related to - ✔✔inertia
narrowing in the lumen of a vessel - ✔✔stenosis
downstream turbulence that results from stenosis - ✔✔post-stenotic turbulence
the relationship between velocity and pressure in a moving fluid - ✔✔Bernoulli's Principle
velocity of blood is highest at the _______ part of the vessel - ✔✔narrowest
formula for pressure gradient - ✔✔pressure gradient= flow x resistance
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