Test physics num 1 explores key concepts in biophysics, assessing knowledge on dispersions, electrical effects on tissues, and magnetic field interactions. Ideal for learners aiming to understand physical phenomena in biological contexts.
Salt solutions
Suspensions, emulsions, aerosols, other mixtures
Materials which disperse light
Materials which disperse sound waves
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Cell polarization
Ion fluctuation
The production of a voltage difference across the walls of a blood vessel
Foucault currents? Not the correct one anyway
Movement of paramagnetic particles
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It is based on the individual
It is a 16 Hz frequency wave
It is a 20000 Hz frequency wave
It is a 1000 Hz frequency wave
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Equal to not the right answer
Equal to 2ωρvA2
Equal to 0
Equal to lg (I/I0)
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Translational motion of ions
Dielectric polarization
Electrostatic induction
Ion fluctuation
Electroosmosis
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Ion fluctuation
Dielectric polarization
Translational motion of ions and the redistribution of their concentrations
Skin Skin effect
Electrostatic induction
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Phonocardiogram
Arterial blood pressure curve
Seismocardiogram
Rheocardiogram
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J/s
J/m2
W/m2
W*s
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Pm = I/S
Pm = I*S
Pm = (I*p)/S
Pm = (I*S)/p
Pm = S/I
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Only X-rays
Only X-rays and UV rays
All of the electromagnetic wave spectrum except for gamma rays
Only electrons
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X-ray and gamma ray photons
Gamma photons, Helium nuclei, electrons, positrons
UV rays
Protons and neutrons
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Red light refracts more than yellow light in material
Blue light refracts more than yellow light in material
Yellow light refracts more than blue light in material
Green light refracts more than orange light in material
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Prevents spread
Decreases the speed
Increases the speed
Does not affect speed
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The intrinsic potential energy in Newtonian fluids is dynamic, in Non-Newtonian fluids – static
Newton‘s laws apply to Newtonian fluids, but do not apply to Non-Newtonian fluids
Newtonian fluids‘ dynamic viscosity coefficient does not depend on flow conditions and is static, while for Non-Newtonian fluids the dynamic viscosity coefficient is dynamic and depends on flow conditions
(Newtonian fluids are better at absorbing ultrasound waves than Non-Newtonian fluids
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Hv = gbrβbrB
Hv = gbrβbrI
Hv = gbrβbrmbr
Hv = gbrB
Hv = gbrβbr/B
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The shortest duration of irritation when strength is equal to rheobase
Highest possible irritation current strength
Longest duration of irritation
Shortest duration of irritation when current strength is equal to 2x rheobase
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When the velocity of the material point is at its maximum
When the force affecting the material point is at its maximum
When the force affecting the material point is equal to zero
When the material point is the furthest away from the equilibrium position
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Z = ρv
Z = ρω
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A change in perceived sound frequency due to movement of the sound source
The spread of sound waves in biological mediums
The sound signal caused by blood cell movement
The signal of blood flow registered with a blood pressure monitor
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Does not change
Decreases
Increases
Photon energy is not related to wave length
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Acoustic waves
Intensive electromagnetic radiation
Double electric layer
Charge-repellant forces
Excitory wave
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The relation between elevating force and the submerged object‘s density
The relation between absolute temperature and the fluid‘s internal potential energy
The spreading of mechanical waves in fluids
The relation between ideal (low viscosity) fluid flow and pressure
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The magnetisation of material when affected with a constant magnetic field
The absorbtion of certain frequency electromagnetic waves in material when affected with a constant magnetic field (due to electrons jumping from a lower to a higher energy state in atoms)
A sudden increase in the amplitude of nuclei fluctation (oscillation) of atoms when affected with a constant magnetic field and certan frequency electromagnetic waves
The absorbtion of certain frequency electromagnetic waves in material when affected with a constant magnetic field (due to a shift in the magnetic moment orientation of atom nuclei)
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Electric dipole moment
Electric quadrupole moment
Magnetic moment
Magnetic charge
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Electric force is directed inwards to the cell, diffusive – outwards
These forces are not active when the cells is at rest
When the cell is at rest only the diffusive force is active – directed outwards
Both these forces are directed inwards
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2 times less than at the beginning
4 times less than at the beginning
16 times less than at the beginning
32 times less than at the beginning
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Distance at which potential is e (e=2.7) times weaker
A measurement inverse to the distance at which potential is 2x weaker
Light wave length
The distance at which potential disappears
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F=q*E
M=p*E*sin α
M=p*(δE/δx)*sin α
F=p*E*cos α
F=q*(δE/δx)*cos α
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An active sensor
A passive direct sensor
A piezoelectric sensor
A resistive sensor
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A change in cell polarity/polarization
Electromagnetic induction
The rotation of paramagnetic particles
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The speed of an ion with a charge equal to an elementary charge (the charge of a single electron or -1.602176634×10−19 C) in an electric field)
The speed that an ion gains when a 1A electric current is applied
The speed of an ion in a 1 V/m electric field
Speed of an ion in a 1 A/m magnetic field
The force affecting ions in a 1 V/m electric field
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The non-excited and excited heart areas
The inside and outside of a heart cell
The positive and negative electrode
The heart‘s eletrical axis
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No change due to stationary fluid flow equation vS = const
Volume will decrease 16 times
Volume will decrease 9 times
Volume will decrease 81 times
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You need to increase the electrical current strength
You need to increase the electrical resistance (impedance?)
You need to increase the resolution
You need to increase the voltage between the anode and the cathode
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Rayleigh scattering
X ray luminescence
Photoelectric effect
Impact ionization
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The rotation of paramagnetic particles along the field‘s line of force
Electrostatic induction
Electrochemical activation
Electromagnetic induction
Thermal phenomena
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The maximum irritation current strength and irritation duration
The lowest possible irritation current strength still able to irritate and irritation duration
Irritation current strength and voltage
Lowest and maximum irritation current strength
Rheobase and chronaxie
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Differential amplifier
Functional grounding
Proper selection of electrode material
Low frequency filters
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6 times less than at the start
36 times less than at the start
64 times less than at the start
120 times less than at the start
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The movement of dispersive particles when affected by gravitational force
The movement of dispersive particles due to pressure disparity
The movement of dispersive media when affected by an electric field
The movement of dispersive particles when affected by an electric field
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Photon braking in the X-ray tube
Electron braking on the surface of the anode
Electron leaps between atom‘s electron layers
Electron braking on the surface of the cathode
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Change in membrane potential when an excitory/stimulatory cell is affected with only electric stimuli
Change in membrane potential when an excitory/stimulatory cell is affected with over-threshold stimuli
The membrane potential of an unexcited cell
Change in membrane potential when a cell is affected with under-threshold stimuli
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A continuous-time signal is only defined at certain moments in time
A discrete-time signal is described using only the theory of relativity
The sampling frequency can‘t be lower than 2x the signal frequency
A continuous-time signal cannot be described
Discrete-time signals do not appear during biological processes
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Dark law/principle
Coherent light scattering principle
Uncoherent light scattering principle
Light absorbtion principle
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A diagnostic method that utilises alternating electrical current
A healing method that utilises alternating electrical current
A diagnostic method that utilises direct electrical current
Electrosurgery method
A healing method that utilises direct eletrical current
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Passive, because it doesn‘t require energy
Active, because it uses the cell‘s energy resources
Passive, because the ions are transported against the concentration gradient
Active, because charged particles are transported through the membrane
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The rotation of polar particles along the field‘s line of force
The rotation of paramagnetic particles along the field‘s line of force
Electrostatic induction
Thermal phenomena
Cell polarization
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A number describing the flow of ideal fluids; equal in numerical value to the ratio of fluid flow speed and vessel crosscut area
A number that shows the speed difference of ultrasound waves in fluid vs in air
A dimensionless number that describes the nature of fluid flow – whether the flow is laminar or turbulent
(a ratio of average laminar fluid flow speed and maximum laminar fluid flow speed
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