1. An electrical signal is detected when measuring: (a) pH, (b) force, (c) press

Question

1. An electrical signal is detected when measuring: (a) pH, (b) force, (c) pressure, (d) temperature

2. In terms of electrical signal processing, amplification means increasing: (a) the bandwidth of the recorded signal, (b) impedance at the input, (c) the sampling rate of the signal, (d) the amplitude of the signal

3. A pulse oximeter incorporates software. Software enables data to be: (a) displayed in a graphical repesentation, (b) represented in a meaningful way, (c) transferred to a remote site, (d) represented as digital number

4. Heat loss by evaporation decreases when (a) ambient temperature is high, (b) the partial pressure of carbon dioxide in air is high, (c) relative humidity is low, (d) relative humidity is high, (e) the partial pressure of oxygen in air is high

5. The rate of diffusion of a gas depends upon: (a) the mass of the gas particles, (b) the speed of the gas particles, (c) the temperature of the gas particles, (d) the pressure gradient, (e) all of the above

Explanation / Answer

1) (c) Electrical signal can be detected when measuring Pressure by the help of transducers

2) (d) amplitude of the signal : An amplifier uses electric power from a power supply to increase the amplitude of a signal.

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