92. Regarding urinary 5-HIAA which among the following is true ?
(A) Acidic urine preservatives should be used
(B) Spot urine sample cannot be used
(C) NaOH should be added to urine before storing
(D) The values are not affected by diet

93. Regarding CSF glucose which is correct ?
(A) Normal CSF glucose is 60-70% of blood glucose
(B) CSF glucose is measured to assess diabetes mellitus
(C) CSF/Blood glucose ratio is decreased in hemochromatosis
(D) Plasma sample for glucose estimation should be taken at the same as lumbar
puncture

94. In pentagastrin test, high acid secretion is observed in :
(^) Pernicious anemia (B) ZE syndrome
(C) Cancer of stomach (D) Gastric atrophy

95. Staghorn urinary calculus is formed by :
(A) Phosphate stones (B) Cysteine stones
(C) Uric acid stones (D) Oxalate stones

96. In SDS PAGE electrophoresis :
(A) The proteins move towards anode
(B) The proteins move towards cathode
(C) Even multimeric proteins produce single sharp band
(D) pH of buffer is 6.8

97. In which type of ELISA is the absorbance inversely related with antigen
concentration ?

(^) Direct ELISA (B) Indirect ELISA
(C) Competitive ELISA (D) Sandwich ELISA
98. The immunoglobulin increased in secondary response is :
(A) IgM (B) IgG (C) IgA (0) IgE
99. The cardiac biomarker that can be used to diagnose heart failure :
(^) CKMB (B) Total CK (C) BNP (0) LDH
100. The confirmatory method for identification of drugs of abuse is :
(^) ELISA (B) Gas chromatography/mass spectrometry
(0) Nephelometry (0) Ion selective electrode
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