• Barajar
    Activar
    Desactivar
  • Alphabetizar
    Activar
    Desactivar
  • Frente Primero
    Activar
    Desactivar
  • Ambos lados
    Activar
    Desactivar
  • Leer
    Activar
    Desactivar
Leyendo...
Frente

Cómo estudiar sus tarjetas

Teclas de Derecha/Izquierda: Navegar entre tarjetas.tecla derechatecla izquierda

Teclas Arriba/Abajo: Colvea la carta entre frente y dorso.tecla abajotecla arriba

Tecla H: Muestra pista (3er lado).tecla h

Tecla N: Lea el texto en voz.tecla n

image

Boton play

image

Boton play

image

Progreso

1/80

Click para voltear

80 Cartas en este set

  • Frente
  • Atrás
A transducer contains a chain of sensors?
(Yes - No)
No
Measurements from system A produce the following values (4.04 ; 4.05; 4.07, 4.03) and measurements from system B produce the following values (4.001 ; 4.002; 4.001, 4.001). Can you state anything concerning their accuracy?
(Yes - No)
No
For the following transfer function for a sensor (S=a+bs), where s is the stimulus value and S is the output value, does b represent the sensitivity?
(Yes - No)
Yes
If saturation is reached in a measurement system, does this imply a decrease in sensitivity?
(Yes - No)
Yes
Measurements from system A produce the following values (4.04 ; 4.05; 4.07, 4.03) and measurements from system B produce the following values (4.001 ; 4.002; 4.001, 4.001). Can you state anything concerning their resolution?
(Yes - No)
Yes
Measurements from a digital multimeter produce the following values (4.001; 4.002; 4.001, 4.001). Which is the resolution uncertainty?
(±0.001 - ±0.0005)
±0.0005
Is noise a source of systematic errors?
(Yes - No)
No
Is nonlinearity a source of systematic errors?
(Yes - No)
Yes
If the time constant of a system is 0.1 seconds does this mean that at 0.1 seconds it has reached half of the change it goes after a step response?
(Yes - No)
No
First-order sensors such as temperature sensors may briefly oscillate after a sudden change in the stimulus (temperature)?
(Yes - No)
No
Resistors with a ± 0.05% tolerance will be significantly more expensive than resistors with a ± 1 % tolerance? (assume that all other features are equal)
(Yes - No)
Yes
1.100·10^3 has four significant digits?
(Yes - No)
Yes
How many significant digits 0.1 has?
(1 - 2)
1
How may significant digits 7.90 has?
(2 - 3)
3
Can you be sure about the number of significant digits in 7000?
(Yes - No)
No
How many digits you will use to report the result of 111 kg + 1 g?
(1 - 3)
3
How many digits you will use to report the result of 111 kg x 1 g?
(1 - 3)
1
How you will express the result of 1.2 kg - 0.02 kg?
(1.2 kg - 1.18 kg)
1.2 kg
If L=1.00 km with an uncertainty of 0.10 km, how you will report the value?
( (1.00±0.10) km - (1.0±0.1) km)
(1.00±0.10) km
The confidence level for a confidence interval of ±1 in normal distribution is larger than 99%?
(Yes - No)
No
Units for the electric field magnitude?
(V·m - V/m)
V/m
In the analogy between an electrical circuit and a fluidic system, is voltage associated to volume?
(Yes - No)
No
Nuclear batteries were based on the thermoelectric effect in order to generate electricity?
(Yes - No)
Yes
Does the capacitance between two metallic plates increases as is distance decreases?
(Yes - No)
Yes
Are ideal diodes linear elements?
(Yes - No)
No
Are Zener diodes used for voltage limitation?
(Yes - No)
Yes
ransformers can be employed for increasing the power of signals?
(Yes - No)
No
Is inductive coupling used in cochlear implants?
(Yes - No)
Yes
Is flicker noise a white noise?
(Yes - No)
No
If an AC current is applied through the body, which frequency is more likely to cause fibrillation?
(10Hz- 10kHz)
10 Hz
Are DC currents safer than AC currents?
(Yes - No)
Yes
For using an OPAMP as comparator you will employ a negative feedback network?
(Yes - No)
No
The instrumentation amplifier used in the lab sessions was qualified as rail-to-rail?
(Yes - No)
No
Is the Wheatstone bridge configuration typically used for resistive sensors that have a dependency on the stimulus of the type R=R0(1+αs) where s is the stimulus, R0 is the nominal resistance and α is very small constant?
(Yes - No)
Yes
For ECG recording we will particularly interested in frequencies above 1 kHz?
(Yes - No)
No
At which frequency range you expect to notice more interferences in an ECG system?
(<100 Hz - >100 Hz)
<100 Hz
Hand-held two-electrode systems for ECG recording do require to contain an instrumentation amplifier with high CMRR in order to reject the common-mode interference coming from the mains (line)?
(Yes - No)
No
Is the Slew Rate expressed in [units of voltage/units of time]?
(Yes - No)
Yes
Is the Gain Bandwidth Product expressed in [units of voltage · units of frequency]?
(Yes - No)
No
Does the conductivity of an ionic solution increase with temperature?
(Yes - No)
Yes
Is heat dissipated in an ionic solution directly proportional to the electric field magnitude in it?
(Yes - No)
No
Is the concentration of potassium ions (K+) in the interior of a cell larger than in its exterior?
(Yes - No)
Yes
Will the impedance magnitude of a dense cell suspension be significantly larger at low frequencies (<1 kHz) than at high frequencies (>1 MHz)?
(Yes - No)
Yes
Will the impedance magnitude of normal saline (0.9 % NaCl) be significantly larger at low frequencies (<1 kHz) than at high frequencies (>1 MHz)?
(Yes - No)
No
Will the 1 kHz impedance magnitude of a dense cell suspension be significantly larger at 5 ºC than at 37ºC?
(Yes - No)
Yes
In the case of flat surface electrodes, is the capacitance of the electrical double layer in the order of 10 F/cm2?
(Yes - No)
No
If two identical half-cells (i.e. same metal and same ionic media) with a half-cell potential of E1/2 volts are connected through the ionic medium, what will be the voltage measured between their two electrodes?
(0 Volts - 2E1/2 Volts)
0 Volts
When DC current is applied through an electrolyte solution, mass transfer between the electrodes and the solution can occur?
(Yes - No)
Yes
Is the voltage generated by a pH electrode (ISE) linearly dependant on the pH?
(Yes - No)
Yes
Is the voltage generated by a potassium electrode (ISE sensitive to K+) linearly dependant on the activity of K+?
(Yes - No)
No
Are Ag-AgCl electrodes partially toxic?
(Yes - No)
Yes
Are platinum electrodes considered as polarizable electrodes?
(Yes - No)
Yes
Are electromechanical relays slower (in terms of switching) than integrated analog multiplexers?
(Yes - No)
Yes
Do electromechanical relays have a contact resistance significantly below 10 ohms?
(Yes - No)
Yes
Which is the quantization resolution of an ADC?
(±1 LSB - ±0.5 LSB)
±1 LSB
In an ADC, where time sampling typically occurs? Before or after quantization?
(Before - After)
Before
Is jitter error in an ADC due to non linearity of the quantization process?
(Yes - No)
No
Does the Arduino ADC have a Flash architecture (Parallel A/D)?
(Yes - No)
No
Are sigma-delta ADC architectures particularly indicated for high resolution?
(Yes - No)
Yes
In case the sinus node (sinoatrial node) is damaged (dysfunction), will heart rhythm be slower (Bradycardia)?
(Yes - No)
Yes
Do the cells of the Bundle of His (Purkinje fibers) speed up impulse transmission because they are low impedance paths?
(Yes - No)
No
Does this ECG seem to indicate atrial fibrillation?
(Yes - No)
Does this ECG seem to indicate atrial fibrillation?
(Yes - No)
Yes
Focal atrial tachycardia can be treated by RF ablation of the sinus node?
(Yes - No)
No
Is the Wolff–Parkinson–White syndrome (which is one of the possible causes of sudden cardiac death) related to a dysfunction of the AV node?
(Yes - No)
No
Do implantable cardioverter-defibrillators (ICDs) need to monitor the activity of the heart?
(Yes - No)
Yes
For solving bradyarrhythmias related to sinus node dysfunction, pacemakers require two electrodes: one in an atrium and the other one in a ventricle?
(Yes - No)
No
Is RF ablation used for “scar homogenization” in order to prevent ventricular tachycardia in patients who have suffered myocardial infarction?
(Yes - No)
Yes
Are fluoroscopy systems mainly dangerous because of the use of radioactive contrast agents?
(Yes - No)
No
Among the two non-fluoroscopic navigations systems seen in class (impedance based and magnetic based) which one is more precise?
(Impedance - Magnetic)
Magnetic
Is the chornaxie is expressed in units of time?
(Yes - No)
Yes
When an external electric field is applied to spherical cells in suspension, is the induced transmembrane voltage larger if the cells are larger?
(Yes - No)
Yes
If it is required to stimulate a nerve by means of a point electrode (i.e. remote return electrode), which polarity you will use for the current pulse applied through the point electrode so as to minimize the magnitude of the required current?
(Positive - Negative)
Negative
Pacemakers were first implanted in humans at the early beginning of the twentieth century?
(Yes - No)
No
Are implantable systems less prone to cause infections than percutaneous systems?
(Yes - No)
Yes
Do the implanted elements of a cochlear implant contain a rechargeable battery?
(Yes - No)
No
Is Functional Electrical Stimulation (FES) applied for pain management?
(Yes - No)
No
Are high frequencies used in radiofrequency ablation in order to prevent unintended stimulation?
(Yes - No)
Yes
In electrosurgery, is the cut effect achieved thanks to the high temperatures reached inside the sharp electrode (electroscalpel)?
(Yes - No)
No
Does iontophoresis imply DC currents?
(Yes - No)
Yes
Are electric field magnitudes for irreversible electroporation (IRE) higher than for electrochemotherapy (ECT)?
(Yes - No)
Yes