Which of the following rxns is used in the neutralisation test?
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9%
Ppt
24%
Agglutination
56%
Inhibition of virus 🦠 infectivity
10%
Lysis of RBC
The primary advantage of using ELISA is
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76%
High sensitivity and high specificity
9%
Low cost
14%
Rapid results
1%
No need for abs
Ring 💍 test is a type of
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28%
Agglutination
39%
Flocculation
26%
Precipitation
7%
Neutralisation
Immuno electrophoresis combines with electrophoresis with
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13%
Agglutination
25%
Precipitation
45%
Complement fixation
17%
ELISA
Reverse ⏮️ passive agglutination is
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17%
Ag is attached to carrier
52%
Ab is attached to carrier
28%
Both are in soln
3%
None of the above ⬆️
👍2
Eg of passive agglutination
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15%
Widal test
33%
Coombs test
43%
Latex agglutination
10%
ABO blood grouping
In radial immunodiffusion the diameter of the precipitin ring 💍 is directly proportional to
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22%
Sq root of ag conc
38%
Ab conc
19%
Ag conc
22%
Time ⏲️ of diffusion only
❤2
Which type of microtome is used for sectioning whole organs or very large tissue blocks?
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33%
Sledge 🛷
35%
Rotary
22%
Cryostat
11%
Rocking
Which fixative is avoided before PAS staining coz its oxidises carbs?
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39%
Glutraldehyde
31%
Bouins fluid
22%
Zenkers
8%
NBF
❤1
Phenyl isothiocyante is
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21%
Edman’s reagent
44%
Sanger’s reagent
21%
Rbc diluting fluid
14%
Schiff reagent
Bcells are originated in ____&Tcells are originated in______
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44%
Bone 🦴 marrow,Bone marrow
36%
BM,thymus
14%
Thymus,thymus
6%
Thymus,BM
Icterus index is used for assessment of
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26%
Eye 👁️ Sights
31%
Height of child 🧒
37%
Jaundice
5%
Skin colour
Which test is +ve for all carbs
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27%
Molish test
39%
Benedict test
17%
Iodine test
17%
Seliwanoff’s test
❤1
Bacillary dysentry is caused by
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7%
Mycoplasma
51%
Bacillus 🦠 anthracis
18%
E histolytica
24%
Shigella
❤1
In thorn test serial eosinophils counts are performed after injection 💉 of
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38%
Steroid
22%
LH
32%
ACTH
7%
FSH
Ether alcohol 🍺 as a fixative used inthe ratio ______in exfoliative cytology
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24%
1:1
50%
2:1
18%
3:1
8%
4:1
👍1
In malignancy the nucleus cytoplasm ratio is
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39%
Increased
41%
Decreased
14%
Constant
7%
Equal 🟰
❤4
The m/c type of testicular tumor is
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24%
Embryonal carcinoma
31%
Seminoma
34%
Leydig cell tumor
11%
Sertoli tumor
❤1
For the demonstration of enzymes such as phosphatase and lipase the most imp fixative is
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26%
Methyl alcohol 🍷
26%
Acetone
40%
Glacial acetic acid
9%
OsO4
❤1
Barr 🐝 bodies is observed in___cells
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25%
Superficial
34%
Basal
29%
Intermediate
12%
Parabasal