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Impedance
Quiz 1
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Q.1
is the formula for .....
Capacitive reactance
Inductive reactance
A.C. Impedance in a circuit with a higher inductive reactance than capacitive reactance
A.C. Impedance in a circuit with a lower inductive reactance than capacitive reactance
Q.2
Semiautonomous organelle in cell is:
Peroxisomes
Chloroplast
Endoplasmic reticulum
Golgi bodies
Q.3
The needle is used for microtrephine biopsy?
Salah
kelma
jamshidi-swaim
jamshid and Salah
Q.4
One cubic millimeter is equal to ....
1 micro liter
0.1 micro liter
0.01 micro liter
10 micro liter
Q.5
Which among the following is NOT a content of Hayem's fluid
sodium chloride
sodium citrate
sodium sulphate
mercuric chloride
Q.6
Corrected WBC count is calculation from?
UncorrectedWBCcount×100No.ofnucleated RBC/100 WBC+100\frac{UncorrectedWBCcount×100}{No.ofnucleated\ RBC/100\ WBC+100}No.ofnucleated RBC/100 WBC+100UncorrectedWBCcount×100
UncorrectedWBCcount+100No.ofnucleated RBC/100 WBC×100\frac{UncorrectedWBCcount+100}{No.ofnucleated\ RBC/100\ WBC\times100}No.ofnucleated RBC/100 WBC×100UncorrectedWBCcount+100
UncorrectedWBCcountNo.ofnucleated RBC/100 WBC\frac{UncorrectedWBCcount}{No.ofnucleated\ RBC/100\ WBC}No.ofnucleated RBC/100 WBCUncorrectedWBCcount
UncorrectedWBCcount×10No.ofnucleated RBC/100 WBC+100\frac{UncorrectedWBCcount×10}{No.ofnucleated\ RBC/100\ WBC+100}No.ofnucleated RBC/100 WBC+100UncorrectedWBCcount×10
Q.7
Using the principle of electrical impedance, cells are counted by?
measuring conductivity
measuring change in electrical resistance
measuring viscosity
measuring charge
Q.8
Expansion of VCS ? a)Volume conductivity scatteringc)Volume conduction stabilityb)Volume current stabilityd)Volume concentration sediment
Volume current scattering
Volume conductivity scattering
Volume conduction stability
Volume conductivity sediment
Q.9
Contents of Drabkin‘s reagent is?
Potassium ferricyanide+KCN+KH2PO4+ Non ionic detergent
Potassium ferricyanide +KCN+K2HPO4+ Non ionic detergent
Potassium ferricyanide+KCN+KH2PO4
Potassium ferrocyanide+KCN + KH2PO4
Q.10
Helper T-cells are activated by
Antigen specific signal
Co-stimulatory signal
Cytokine signal
All of these
Q.11
NK cells lack cell makers except
CD3
CD4
CD8
CD16
Q.12
Anticoagulant used to flush indwelling lines before blood collection ?
EDTA
heparin
potassium oxalate
sodium citrate
Q.13
Who invented homogenizer
Louis Pasteur
Rutherford
Leeuwenhoek
Auguste Gaulin
Q.14
The scientist who isolated Adenine and thymine
Frederich Miescher
Altmann
Macleod
Albrecht Kossel
Q.15
Nucleus is absent in
RBC and bacterium
RBC and sieve cells
RBC only
All of these
Q.16
The marker enzyme of cytoplasm is
Cathepsin
Lactate dehydrogenase
Glucose 6 phosphatase
ATP synthase
Q.17
Cell theory was proposed by
Beadle and Tatum
Robert Hooke
Schleiden and Schwann
Leeuwenhoek
Q.18
Work on ….….......by Pasteur led to the germ theory of disease?
Pasteurization
Fermentation
Microbes
Silkworm disease
Q.19
Father of chemotherapy is
Paul Ehrlich
Joseph Lister
Alexander Fleming
Robert Koch
Q.20
What is Ehrlich phenomenon?
About hypersensitivity reaction
About antibody production
Toxin-antitoxin interaction
None of these
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