Biomedical-Biomedical Instrumentation MCQs / Medical Diagnosis with Chemical Tests Sample Test,Sample questions

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Question: 
 ________ is not part of the manifold.

1.Transmission tubing

2.Pump tubes

3.Platter

4.Plastic tubes

Question: 
A pattern of electrodes on the head and the channels they are connected to is called a montage. Montages are always ___________

1.inverse

2.random

3.symmetrical

4.asymmetrical

Question: 
At what frequency is the notch filter in EEG machines sharply tuned to eliminate mains frequency interference?

1.60

2.90

3.10

4.70

Question: 
Atrio ventricular node is located at __________

1.upper part of the heart wall between the two atrial

2.lower part of the heart wall above the two atrial

3.lower part of the heart wall between the two atrial

4.upper part of the heart wall above the two atrial

Question: 
Before placing the electrodes the skin should be __________

1.wet

2.dry

3.hairy

4.oily

Question: 
Blood flow detectors based on Doppler shift start detecting foetal pulses as early as in which week of pregnancy?

1.tenth

2.eleventh

3.twelfth

4.ninth

Question: 
Buffer amplifier converts ____________

1.low impedance signals to high impedance signals

2.high impedance signals to low impedance signals

3.ac impedance signals to dc impedance signals

4.dc impedance signals to ac impedance signals

Question: 
EEG electrodes are smaller in size than ECG electrodes.

1.True

2.False

Question: 
EEG signals picked up by surface electrodes are usually larger as compared to ECG.

1.True

2.False

Question: 
In floating electrodes metal electrode does not make direct contact with the skin.

1.True

2.False

Question: 
In the proportioning pump, two speed pump has a non-synchronous _____ rpm motor.

1.10 rpm

2.30 rpm

3.45 rpm

4.15 rpm

Question: 
In the sampler, the range of the sample size is from _______

1.0.1 to 8.5 ml

2.1 to 8.5 ml

3.0.85 to 0.1 ml

4.8.5 to 10 ml

Question: 
In the sampling control, one complete rotation of the plate thus presents _______

1.35 samples

2.40 samples

3.20 samples

4.30 samples

Question: 
One of the electrode is mounted on the contact lens and the other is placed to the skin adjacent to the outer cornea of the eye.

1.True

2.False

Question: 
Preamplifiers used in electroencephalograph have low gain and high noise characteristics for EEG.

1.True

2.False

Question: 
Recording electrical activities associated with heart is known as ____________

1.EEG

2.EOG

3.EMG

4.ECG

Question: 
Reference electrode for recording EEG is placed on __________

1.forehead

2.cervical

3.nasal

4.facial

Question: 
Signal processing for FHR determination can be based either on detecting the foetal heart valve motion or on detecting the heart wall motion in Abdominal foetal electrocardiogram technique.

1.True

2.False

Question: 
The blood pressure within the glumerular capillaries is _________ of mercury.

1.80 mm

2.70-80 mm

3.90 mm

4.70-90 mm

Question: 
The function of the _________ is to continuously and simultaneously push fluids, air and gases through the analytical chain.

1.sampling unit

2.proportioning pump

3.manifold

4.dialyzer

Question: 
The main design feature of pregelled disposable electrodes which helps to reduce the possibility of artefacts, drift and baseline wandering is _____________

1.low absorbency buffer layer with isotonic electrolyte

2.high absorbency buffer layer with isotonic electrolyte

3.high absorbency buffer layer without isotonic electrolyte

4.low absorbency buffer layer without isotonic electrolyte

Question: 
The material used in limb surface electrode is ___________

1.German silver

2.Copper

3.Gold

4.Platinum

Question: 
The transducer required for recording these movements in apexcardiograph is similar to the electrocardiograph.

1.True

2.False

Question: 
The typical value of calibration signal is ________

1.10 uV/cm

2.70 uV/cm

3.50 uV/cm

4.30 uV/cm

Question: 
Welsh cup electrodes have __________

1.low contact impedance

2.negligible contact impedance

3.high contact impedance

4.zero contact impedance

Question: 
What is maximum ultrasound intensity of narrow beam transducer?

1.15 mW/cm2

2. 20 mW/cm2

3.25 mW/cm2

4.30 mW/cm2

Question: 
What is mounted on the table to convert the movements into corresponding electrical signals in BCG?

1.Oscilloscope

2.Sensing device

3.Pramplifier

4.Tape recorder

Question: 
What is the diameter of a narrow beam transducer?

1.15 mm

2.20 mm

3. 25 mm

4.30 mm

Question: 
What is the frequency range of Chest-wall movements?

1.0.025 to 0.05 Hz

2.0.05 to 0.1 Hz

3.0.1 to 20 Hz

4.20 to 100 Hz

Question: 
What is the recording called in which voltage difference between an active electrode on scalp with respect to reference electrode at ear lobe or any other part of the body is recorded?

1.Unipolar

2.Bipolar

3.Monopolar

4.Nonpolar

Question: 
What is used to detect foetal heart movements in broad beam transducer?

1.Quartz crystal

2.Piezo electric crystal

3.Topaz crystal

4.Berlinite crystal

Question: 
What is used to pick EOG potentials?

1.Oscilloscope

2.Tape Recorder

3. Surface Electrodes

4.Preamplifier

Question: 
When it is possible to detect multiple pregnancies?

1.10th week

2.12th week

3.15th week

4.20th week

Question: 
Which among the following electrode gives high skin impedance as compared to ECG?

1.VCG

2.EEG

3.EMG

4.PCG

Question: 
Which cams are used in the earlier modules of auto-analyzers to initiate and control sample aspiration and wash cycles?

1.Electrical cams

2.Digital cams

3.Analog cams

4.Mechanical cams

Question: 
Which of the following component is generally designed to have a very high value of input impedance to take care of high electrode impedance?

1.Montages

2.Filters

3.Electrodes

4. Preamplifiers

Question: 
Which of the following instrument is used for recording the change in potential when light falls on the eye?

1.Apexcardiography

2.Ballistocardiography

3.Electro-oculography

4.Electro-retinography

Question: 
Which of the following instrument is used for recording the chest-wall movements over the apex of heart?

1.Apexcardiograph

2.Ballistocardiograph

3.Electro-oculograph

4.Electro-retinograph

Question: 
Which of the following instrument is used for recording the movements imparted to the body with each beat of the heart cycle?

1.Apexcardiograph

2.Ballistocardiograph

3.Electro-oculograph

4.Electro-retinograph

Question: 
Which of the following is a wireless ECG acquiring system?

1.pregelled disposable electrodes

2.limb electrodes

3.pasteless electrodes

4.smart pad

Question: 
Which of the following is considered to be the primary pacemaker of the heart?

1.sino-atrial node

2.atrio-ventricular node

3.purkinje fibres

4.bundle of his

Question: 
Which of the following is employed for a bipolar recording done?

1.Uni Channel EEG

2.Omni channel EEG

3.Non Channel EEG

4.Multi channel EEG

Question: 
Which of the following is not the electrolyte?

1.Bicarbonate

2.Potassium

3.Magnesium

4.Sodium

Question: 
Which of the following is the most reliable method for detecting FHR pattern?

1.Abdominal foetal electrocardiogram

2.Foetal phonocardiogram

3.Ultrasound technique

4.Foetal ECG with scalp electrode

Question: 
Which of the following is the superimposed wave of neuron potentials operating in a non-synchronized manner in a physical sense?

1.EEG

2.ECG

3.VCG

4.PCG

Question: 
Which of the following is useful in the diagnosis of the enlargement of the heart chambers and some type of valvular disorders?

1.Apexcardiograph

2.Ballistocardiograph

3.Electro-oculograph

4. Electro-retinograph

Question: 
_____________ instrument is used for recording the electrical activity of the brain.

1.ECG

2.PCG

3.EEG

4.EMG

Question: 
______________ is typical frequency range of standard EEG machines.

1.70 to 140 Hz

2.0.1 to 70 Hz

3.0.05 to 0.1 Hz

4.0.025 to 0.05 Hz

Question: 
______________ material is used to improve electrical contact in electrodes with the skin.

1.Silver Tungsten

2.Copper Tungsten

3.Electrode jelly

4.Silver Graphite

Question: 
________________ is the recording of the bio-potentials generated by the movement of eye ball.

1.Apexcardiography

2.Electro-oculography

3.Electro-retinography

4.Ballistocardiography

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