WorksheetsEC8073_ME_Weekly_Quiz_II_(07.08.2020)
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
1.The Electric potential that are developed across the cell membrane due to the chemical activity of certain excitable cells are known as ______________
a)
Biological currents
b)
Bio-potential
c)
Ionic potential
d)
Biochemical potential
2.
2. The average value of the resting potential of a normal,grown adult man is about____________
a)
(-)110 mv
b)
(-)70 mv
c)
(-)40 mv
d)
(-)20 mv
3.
3. The maximum value of the resting potential of a normal,grown adult man is about____________
a)
(+)110 mv
b)
(+)70 mv
c)
(+)20 mv
d)
(-)20 mv
4.
4.The rate at which an action potential moves down a fiber or is propagated from cell to cell is called the ____________________
a)
Propagation rate
b)
Communication rate
c)
Conduction rate
d)
Commision Rate
5.
5._______________ are preferred to pick up body voltages from the deeper tissues of body organs
a)
Micro electrodes
b)
Surface Electrodes
c)
Needle Electrodes
d)
Floating Electrodes
6.
6.A good amplifier should posess _________________
a)
High Input Impedance
b)
High CMRR
c)
Large Bandwidth
d)
Very High Gain
e)
All the above
7.
7.The ________________amplifier is widely used for bio signal preprocessing,as it satisfies almost every requirement of a good bio-amplifier.
a)
Inverting Amplifier
b)
Non Inverting Amplifier
c)
Summing Amplifier
d)
Instrumentation Amplifier
8.
8.The _______________________ is a technique of recording the bio-electric potentials generated by the muscle activity by heart
a)
Electrocardiography
b)
Electroencephalography
c)
Electrooculography
d)
Electrogastrography
9.
9.The bio-potentials generated by the heart muscles are periodic in nature. True or False?
a)
true
b)
FALSE
10.
10.One cycle of ECG wave is denoted as _____________ Wave complex.
a)
ABCDE
b)
KLMNO
c)
PQRST
d)
αβγδθ
11.
11.P wave denotes________________________
a)
Atrial Polarisation
b)
Ventricular Depolarisation
c)
Atrial Depolarisation
d)
Ventricular Repolarisation
12.
12.Q-R segment denotes___________________
a)
Atrial Polarisation
b)
Ventricular Depolarisation
c)
Atrial Depolarisation
d)
Ventricular Repolarisation
13.
13.R-S segment denotes_____________________________
a)
Atrial Polarisation
b)
Ventricular Depolarisation
c)
Atrial Depolarisation
d)
Ventricular Repolarisation
14.
14.T-wave denotes________________________
a)
Atrial Polarisation
b)
Ventricular Depolarisation
c)
Atrial Depolarisation
d)
Ventricular Repolarisation
15.
15.In a PQRST complex __________ segment holds the highest amplitude.
a)
P-wave
b)
QRS-Complex
c)
T-wave
d)
U-wave
16.
16.Ventricular Tachycardia abnormality is identified by________________
a)
Improper beat rate in ECG
b)
Overshoots in ECG
c)
Prolongation of QRS Complex
d)
Ripples after T-wave and next P-wave
17.
17.In general ECG recorders uses a maximum of __________ number of patient leads
a)
3
b)
4
c)
6
d)
12
18.
18.The Bipolar limb leads and augmented unipolar limb leads provides the view of the cardiac activity in the __________________ .
a)
Primary Plane
b)
Frontal Plane
c)
Horizontal Plane
d)
Virtual Plane
19.
19.The 6 Unipolar chest leads provide views in the __________________________ of the heart.
a)
Primary Plane
b)
Frontal Plane
c)
Horizontal Plane
d)
Virtual Plane
20.
20.In bipolar limb leads ______________ acts as a reference point.
a)
Right Arm
b)
Left Arm
c)
Right Leg
d)
Left Leg
21.
21.In context of ECG lead placement,The closed path from RA to LA to LL and back to RA is called as __________________________
a)
Bermuda Triangle
b)
Einthoven Triangle
c)
Beethovan's Symphony
d)
Einstein's circle
22.
22.A______________ is any feature which appears in a signal which is not present in the original signal.
a)
Signal Artifact
b)
Signal Aliasing
c)
Signal Noise
d)
Signal Interference
23.
23.In ECG recording units the preset calibration voltage is not exceeding ______________.
a)
1mV
b)
10mV
c)
15mV
d)
100 mV
24.
24.The amplitude of the brain waves on the surface of the scalp range from _______________.
a)
0-300μV
b)
100-800μV
c)
500μV -1mV
d)
1mV to 10mV
25.
25.Rapid Eye Movement (REM) is the significance that can be observed from _______________ pattern in an EEG.
a)
δ-Wave
b)
θ-wave
c)
α-wave
d)
β-wave
26.
26.In the EEG recording method the leads are placed with a distance ratio _______________________________ between inion and nasion
a)
10:20:20:20:20:10
b)
5:15:20:20:30:10
c)
10:30:20:20:15:5
d)
10:10:10:30:40
27.
27.The normal cutoff frequency of EMG Low pass Filter is about ________________
a)
60 Hz
b)
50 Hz
c)
100 Hz
d)
100 kHz
28.
28.The conduction velocity in peripheral nerves is normally______________.
a)
20 m/s
b)
50 m/s
c)
80 m/s
d)
100 m/s
29.
29.The technique of recording the sounds (auscultations) connected with the pumping action of heart ___________________________
a)
EEG
b)
EKG
c)
Echocardiogram
d)
Phonocardiogram
30.
30.The longer duration noises that are present along with the normal heart sounds are known as_______________
a)
Murmurs
b)
Tictocs
c)
Pingpongs
d)
Kitkats
100 %
