R4RIN – MCQs, Mock Tests | Biomedical Biomedical Instrumentation MCQs

Aesthetics of appearance is called ____________

1. orthosis
2. cosmesis
3. lymphosis
4. homeostasis

✅ Correct Answer: 2

Filter that amplifies frequency above certain value is called ___________

1. low pass filter
2. high pass filter
3. band pass filter
4. band stop filter

✅ Correct Answer: 2

Transcutaneous means ________

1. passing to the skin
2. passing to the bones
3. passing to the heart
4. passing to the lungs

✅ Correct Answer: 1

Which of the following is not a soft tissue?

1. ligament
2. bone
3. tendons
4. skin

✅ Correct Answer: 2

Blood vessels are _______

1. soft tissue
2. hard tissue
3. connective and hard tissue
4. connective and soft tissue

✅ Correct Answer: 4

Bones serve as a reservoir for calcium and phosphorus, essential minerals for various cellular activities which happen throughout the human body.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Bones are non – living tissues.

1. True
2. False
3.
4.

✅ Correct Answer: 2

___________ is the interruption or interference with normal physiological and developmental processes or structures.

1. Pathophysiology
2. Societal Limitation
3. Functional Limitation
4. Modality-Specific

✅ Correct Answer: 1

A task that is specific to a single sense or movement pattern is called _________ in a rehabilitation engineering perspective.

1. Functional Limitation
2. Modality-Specific
3. Societal Limitation
4. Pathophysiology

✅ Correct Answer: 2

_______________ is not a passive transducer.

1. Doppler effect transducer
2. IR sensor
3. Strain gauge
4. Ultrasonic transducer

✅ Correct Answer: 3

_________ is called the Aesthetics of appearance.

1. lymphosis
2. cosmesis
3. orthosis
4. homeostasis

✅ Correct Answer: 2

Which of the following filter is used to amplify frequency above a certain value?

1. band stop filter
2. low pass filter
3. band pass filter
4. high pass filter

✅ Correct Answer: 4

From the options given below, select the one that best describes: Transcutaneous.

1. passing to the heart
2. passing to the bones
3. passing to the skin
4. passing to the lungs

✅ Correct Answer: 3

_____________ is not a soft tissue.

1. ligament
2. bone
3. tendons
4. skin

✅ Correct Answer: 2

Which is the correct characteristic of Blood vessels?

1. Soft tissue
2. Connective and soft tissue
3. Connective and hard tissue
4. Hard tissue

✅ Correct Answer: 4

Muscles are the reservoir for calcium and phosphorus, essential minerals for various cellular activities which happen throughout the human body.

1. True
2. False
3.
4.

✅ Correct Answer: 2

Bones are living tissues.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Which of the following option is the correct full form of CRO?

1. Common Ray Oscilloscope
2. Common Ray Oscillator
3. Cathode Ray Oscillator
4. Cathode Ray Oscilloscope

✅ Correct Answer: 4

__________has the widest range of temperature measurement.

1. RTD
2. Mercury thermometer
3. Thermocouple
4. Thermistor

✅ Correct Answer: 3

The junction at a lower temperature in thermocouple is termed as measuring junction.

1. True
2. False
3.
4.

✅ Correct Answer: 2

Select the correct option from below for the particular description of arrangement. When two wires of different material are joined together at either end, forming two junctions which are maintained at different temperature, a thermo-motive force is generated causing a current to flow around the circuit.

1. thermocouple
2. thermalpair
3. thermistor
4. thermostat

✅ Correct Answer: 1

What force is generated when two wires of different material are joined together at either end, forming two junctions which are maintained at a different temperature?

1. chemical reactive
2. electro-motive
3. thermo-motive
4. mechanical

✅ Correct Answer: 3

The junction at a higher temperature in the thermocouple called is measuring junction.

1. True
2. False
3.
4.

✅ Correct Answer: 1

What is the temperature at which the lower junction in thermocouple is maintained?

1. 0 K
2. 273 K
3. -327 K
4. -273 K

✅ Correct Answer: 2

Which is the correct formula for the resistance Rt of a metallic conductor at any temperature t?

1. Rt = Ro(ɑt-1)
2. Rt = Ro(1-ɑt)
3. Rt = Ro(1+ɑt)
4. Rt = Ro(10+ɑt)

✅ Correct Answer: 3

The full form of RTD is _________________

1. resistive thermal detector
2. resistance temperature detector
3. resistance temperature device
4. reluctance thermal device

✅ Correct Answer: 2

Which of the following quantity is measured by Thermister?

1. pressure
2. displacement
3. temperature
4. height

✅ Correct Answer: 3

Which of the following physiological parameter is most difficult to measure accurately?

1. Blood pressure
2. Blood Flow
3. Blood Volume
4. Skin color

✅ Correct Answer: 2

Which of the following instrument is most commonly used for measurement of blood flow?

1. NMR Blood Flowmeter
2. Ultrasonic Blood Flowmeter
3. Electromagnetic Blood Flowmeter
4. Laser Doppler Blood Flowmeter

✅ Correct Answer: 3

Magnitude of voltage picked up is denoted as e = CHVd, where H is ___________

1. velocity of blood flow
2. strength of magnetic field
3. diameter of blood vessel
4. constant of proportionality

✅ Correct Answer: 2

Magnitude of voltage picked up is denoted as e = CHVd, where C is __________

1. velocity of blood flow
2. strength of magnetic field
3. diameter of blood vessel
4. constant of proportionality

✅ Correct Answer: 3

The induced emf is picked by point electrodes made from ______ in electromagnetic blood flowmeter.

1. copper
2. graphite
3. platinium
4. copper tungsten

✅ Correct Answer: 3

What is the external diameter of flow heads?

1. 0.5 mm
2. 1 mm
3. 1.5 mm
4. 2 mm

✅ Correct Answer: 2

The operating principle underlying all electromagnetic type flowmeters is based upon Kirchoff’s law.

1. True
2. False
3.
4.

✅ Correct Answer: 2

The average flow velocity appears to be _______ cm/s in arteries.

1. 5 to 10
2. 10 to 12
3. 12 to 18
4. 20 to 25

✅ Correct Answer: 4

What is the average flow velocity in veins?

1. 5 to 10 cm/s
2. 10 to 12 cm/s
3. 12 to 18 cm/s
4. 20 to 25 cm/s

✅ Correct Answer: 2

What is velocity for the cardiovascular system taken for designing the probe?

1. 5 cm/s
2. 10 cm/s
3. 15 cm/s
4. 20 cm/s

✅ Correct Answer: 3

Iron cored electromagnets are used in probes having a diameter between ______

1. 0.1 to 1 mm
2. 1 to 8.2 mm
3. 8.2 to 10 mm
4. 10 to 15 mm

✅ Correct Answer: 2

To protect probe from chemical attack, it must be encapsulated in silicon rubber.

1. True
2. False
3.
4.

✅ Correct Answer: 1

The cable from the transducer to an instrument is sleeved with medical grade silicon rubber.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Air cored electromagnets are used in probes having a diameter _________

1. between 0.5 to 1 mm
2. between 1 to 2 mm
3. below 8.2 mm
4. above 8.2 mm

✅ Correct Answer: 4

Which amplifier will reject any common mode signal that appears simultaneously at both amplifier input terminal and amplifies only the voltage difference that appears across its input terminals?

1. ac coupled amplifiers
2. differential amplifiers
3. carrier amplifiers
4. dc amplifiers

✅ Correct Answer: 4

Which amplifier has a limited frequency response?

1. differential amplifier
2. dc amplifiers
3. ac coupled amplifiers
4. carrier amplifiers

✅ Correct Answer: 2

______________ are used with transducers which require an external source of excitation.

1. carrier amplifiers
2. dc amplifiers
3. ac coupled amplifiers
4. differential amplifier

✅ Correct Answer: 1

DC amplifiers are employed with _______ feedback type.

1. positive
2. negative
3. depends on the application
4. can be any positive or negative does’t matter

✅ Correct Answer: 2

DC amplifiers are mostly used for very low level applications because they offer very less dc drift and high common mode rejection capabilities.

1. True
2. False
3.
4.

✅ Correct Answer: 2

Chopper stabilized dc amplifiers are complex amplifiers having ________ amplifiers incorporated in the module.

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 3

Which of the following amplifier is employed with resistive transducers which require an external source of excitation?

1. differential amplifier
2. ac coupled amplifier
3. carrier amplifier
4. dc bridge amplifier

✅ Correct Answer: 4

Chopper input dc amplifiersare preferred for low level inputs to instrumentation systems because of their high sensitivity, negligible drift and excellent common mode rejection capability.

1. True
2. False
3.
4.

✅ Correct Answer: 1

Which of the following statement is true for an instrumentational amplifier?

1. the input resistance of both the inputs is very high and does not change as the gain is varied
2. the input resistance of both the inputs is very low and does not change as the gain is varied
3. the input resistance of both the inputs is very high and does change as the gain is varied
4. the input resistance of both the inputs is very low and does change as the gain is varied

✅ Correct Answer: 2

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