WorksheetsMedical Mechatronics
Total questions: 50
Worksheet time: 27mins
PERTAINING TO THE HEART AND LUNGS
CARDIOPULMONARY
CARDIOVASCULAR
PROCHONDRAL
HYPOCHONDRIAC
THE MORE TECHNICAL TERM FOR A RED BLOOD CELL.
LEUKOCYTE
ERYTHROCYTE
CYTOPLASM
CYTOTOXIC
What is the nervous system?
A system of glands that secrete different hormones into the bloodstream.
A system of glands that regulates breathing and heart rate.
A system that helps regulate breathing and heart rate.
A network of cells and nerves that control our feelings.
None of the above
What blood pressure?
The force of blood pushing against the walls of the veins as the heart pumps blood.
The force of blood.
The force of blood pushing against the walls of the arteries as the heart pumps blood.
The pressure of blood in and around the organs.
All of the above
The bodies starting position is called what?
Sagittal
Coronal
Anatomical
Biological
What is a myocardial infarction?
Stroke
Blood clot
Angina
Heart attack
When pressure is applied in _________, the distance between the conductive plate changes which develops an output voltage.
strain gauge pressure sensor
capacitive pressure sensor
LVDT pressure sensor
piezoelectric pressure sensor
The jelly-like substance inside a cell refers to the:
chromosome
cytoplasm
ribosome
lysosome
What is a prosthesis?
someone who makes artificial body parts and fits them to people who need a limb replacement
a replacement body part; an artificial body part that replaces a missing body part
a person who has had a limb removed
a device that stimulates the ear components to work by electricity
When pressure is applied in ______________, an unbalanced resistance is developed causes the Wheatstone Bridge to produce an output voltage.
strain gauge pressure sensor
capacitive pressure sensor
LVDT pressure sensor
piezoelectric pressure sensor
When pressure is applied in ______________, the ferrite core moves which changes the conductance between the primary and secondary coils which produce output voltage.
strain gauge pressure sensor
capacitive pressure sensor
LVDT pressure sensor
piezoelectric pressure sensor
____________ uses crystal material which produces small voltage when pressure is applied.
strain gauge pressure sensor
capacitive pressure sensor
LVDT pressure sensor
piezoelectric pressure sensor
STRAIN gauge pressure sensor is more durable than CAPACITIVE pressure sensor.
TRUE
FALSE
CAPACITIVE pressure sensor uses TRANSFORMER principle to generate voltage.
TRUE
FALSE
The primary coil of an LVDT is driven by an __________ signal.
AC
DC
square wave
sawtooth
Which type of transducer requires energy to be put into it in order to translate changes due to the measurand?
active transducers
passive transducers
powered transducers
local transducers
Linearity of transducer is
Closeness of the transducer’s calibration curve to a special curved line within a given percentage of full scale output
Closeness of the transducer’s calibration curve to a special straight line within a given percentage of full scale output
Closeness of the transducer’s calibration curve to a special straight line within a given percentage of half scale output
Closeness of the transducer’s calibration curve to a special curved within a given percentage of half scale output
Which of the following is a preferred electrode for measuring EMG?
Surface electrode
Needle electrode
Metal electrode
Depth Electrode
Monopolar needle electrodes are having coatings of which material over the stainless steel wires which are bare only at the tips?
Carbon
Calcium
Sodium
Teflon
The contraction of the skeletal muscles results in the generation of action potential in the individual muscle fibers. Record of this action potential is called
EEG
ECG
EMG
EKG
In voluntary contraction of the skeletal muscles, the muscle potential ranges from
50 uV – 5 mV
50 mV – 5 V
0.05 uV – 2 mV
50 mV – 500 mV
Electrodes to measure EEG are placed on
Scalp
Forehead
ears
Muscles
According to the international 10/20 system to measure EEG, even number denotes which side of the brain?
bottom
top
left
right
Normal EEG frequency range is
50-500Hz
0.5-50HZ
0.05-5Hz
1-200Hz
The letter T in the EEG electrode placement system denotes?
temper lobe
Temporal lobe
Trace
Top
Disturbance in the EEG pattern resulting from the external stimuli is called
provoked response
evoked response
impulse response
shock response
Which rhythm is the principal component of the EEG that indicates the alertness of the brain?
theta rhythm
gamma rhythm
beta rhythm
alpha rhythm
Which of the following metal is preferred for manufacturing micro electrodes?
Stainless steel
Copper
Tungsten
Iron
What is the subject code of Medical Mechatronics?
MT17E62
MT1761
MT17E61
MT6701
Gauge factor is defined as
(incremental change in resistance due to stress/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length)
(incremental change in resistance due to strain/resistance of an unstretched wire)*(unstretched length of wire/incremental change in length)
(incremental change in resistance due to stress/resistance of an unstretched wire)*(incremental change in length/unstretched length of wire)
(resistance of an unstretched wire/incremental change in resistance due to stress)*(unstretched length of wire/incremental change in length)
Endoscopic imaging uses
thermal sensors
chemical sensors
optic fiber sensors
pressure sensors
Which of the following is not a fundamental block in recording systems?
electrodes and transducers
signal conditioner
analysis for the output
writing system
Source of Bioelectric potential is ____________ in nature
electric
electronic
ionic
mechnical
The variation of the electrical potential associated with the passage of a pulse along the membrane of a muscle cell or a nerve cell is called
muscle potential
action potential
resting potential
half cell potential
Cells depolarize and action potential in generated as soon as a stimulus is applied
True
False
Electrode paste
increases contact impedance
equates contact impedance
reduces contact impedance
absorbs contact impedance
What is the frequency range of ECG?
70-120 Hz
0.05-120 Hz
5-120 Hz
12-120 Hz
Electrocardiography was invented by
John Marthovan
Beethovan
Robert Koch
Willem Einthoven
The interior of the neuron is at a potential of about _____ mV relative to the exterior.
+70
-70
+60
-60
In floating electrodes metal electrode does not make direct contact with the skin.
True
False
Which of the following is considered to be the primary pacemaker of the heart?
purkinje fibres
bundle of his
atrio-ventricular node
sino-atrial node
Which type of electrodes are employed to study the electrical activities of individual cells?
milli-electrodes
micro-electrodes
surface-electrodes
Needle electrode
Ag-AgCl electrodes are
Polarised
Non polorised
Partially polorised
cannot be said
The voltage developed at an electrode- electrolyte interface is designated as
Electrode interface
Half cell potential
Action potential
Electrode gel interface
Inability of the instrument to faithfully reproduce the input without any distortion is called
Peltier effect
Artifacts
loading effect
Instrument error
In ECG recording, how many chest electrodes are placed in chest
9
12
3
6
What is defibrillator
Blood pressure detecting instrument
Purifier system
an apparatus used to control heart fibrillation by application of an electric current to the chest wall or heart
Instrument used to measure Respiration Rate
