Anthropometry (Laboratory practical)

• 18.5-24.99
• <16
• >40
• 9.5-13.99
• 32-43.99

Clench force (Laboratory practical)

• we do work in the biological sense but not in the physical sense.
• we do work in the physical sense but not in the biological sense.
• we do work both in the physical sense and in the biological sense.
• we do not do work either in the physical sense or in the biological sense.
• it depends on the magnitude of the clench force whether we do physical work or not.

Electromyography (Laboratory practical)

• is the recording of changes in skin voltage produced by underlying skeletal muscle constriction.
• is the recording of changes in skin voltage produced by heart function.
• is the recording of action potential of the nerves.
• is the Fourier-transform of acoustic signals.
• is the monitoring of signals derived from blood pressure measurements.

Acoustics (Laboratory practical)

• 120 dB
• 0 dB
• 1 dB
• 10^-12 dB
• 10 dB

Blood pressure measurement (Laboratory practical)

• cavitation, heart sounds, noise
• wall detachment, turbulent blood flow, cavitation
• turbulent blood flow, noise, heart sounds
• heart sounds, turbulent blood flow, cavitation
• noise, heart sounds, wall detachment

SI: SI units and prefixes.

• 1 J
• 2 N∙m
• 3 V∙A∙s
• 4 Ω∙A
• 4 kg∙m^-2∙s^-2

Calculation 1

• 4,9 m
• 9,8 m
• 19,0 m
• 38,8 m
• none

Calculation 2

• 10 mA, into the junction
• 30 mA, into the junction
• 10 mA, out of the junction
• 30 mA, out of the junction
• no current flows

Motion

• greater than A in magnitude
• less than A in magnitude
• in the same direction as A
• in the direction opposite to A
• perpendicular to A

Force, work, power

• gravitational potential energy.
• total mechanical energy.
• kinetic energy.
• speed.
• linear momentum.

Vibrations

• the square root of the ratio of the spring constant to the mass
• the ratio of the spring constant to the mass
• the product of the spring constant and the mass
• the square root of the ratio of Botzmann's constant to the mass
• the square root of the product of Botzmann's constant and the mass

Optics

Temperature

• radiation
• convection
• conduction
• perspiration (via breathing)
• perspiration through skin

Flow

• the sum of the static, dynamic and hydrostatic pressures is constant in a tube.
• the vectorial product of the velocity and the area of cross-section is constant.
• the ratio of the velocity and the area of cross-section is constant.
• the hydrostatic pressure is equal to the dynamic pressure.
• the product of the area of cross-section and the density is constant.

Diffusion

• The larger the mass of a particle is, the smaller is the rate of the diffusion.
• At lower temperature the diffusion coefficient is higher.
• The diffusion coefficient is independent of the radius of the particle.
• The rate of the diffusion is higher if the viscosity of the solution is higher.
• The rate of the diffusion is independent of the viscosity of the solution.

Thermodynamics

• volume change processes.
• decreasing the pressure processes.
• increasing temperature processes.
• heat exchange processes.
• concentration change processes.

Bioelectricity

• is zero, according to the Faraday-cage principle.
• only depends on the total charge within the enclosure, according to Coulomb’s law.
• is infinite.
• changes in a harmonic fashion with time.
• is circularly symmetric due to the Lorentzian force.

Electricity and magnetism

• the sum of the individual resistances.
• the reciprocal value of the sum of the reciprocals of the individual resistances.
• the vectorial sum of the individual resistances.
• the product of the individual resistances.
• the difference of the individual resistances.

Signal processing

• at least twice in a period
• at least four times in a period
• the frequency of the fastest signal component
• at least twice the frequency of the fastest signal component
• the frequency of the slowest signal component

Waves

• if the source of a sound approaches to the resting receiver, the observed frequency is lower than that of the source.
• if the source of a sound moves away from the resting receiver, the observed frequency is higher than that of the source.
• the frequency shift depends on the ratio of the speed of source to the speed of sound in the medium.
• the observed frequency is independent of the relative speed of the source and the observer.
• the frequency shift depends on the product of the speed of source and the speed of sound in the medium.