Clinical Chemistry Theory Paper

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Q1. Occult blood can be detected:
(a) In blood
(b) In stool
(c) Only when the patient has diarrhea
(d) Using orthotolidine test
(e) After a heavy meal

Q2. Bence-Jones proteins are:
(a) Soluble at 1000C
(b) Precipitate at 1000C
(c) Precipitate between 400C-600C
(d) Are sulphosalicylic acid positive
(e) Are boiling test positive

Q3. Negatively charged particles in an atom are called:-
(a) Cations
(b) Electrons
(c) Anions
(d) Isotopes

Q4. The pH of a solution can be maintained at a chosen value through:
(a) Catalysis
(b) Hydrolysis
(c) Alkalation
(d) Buffering

Q5. The pH of pure water is:
(a) 5.0
(b) 6.0
(c) 7.0
(d) 8.0

Q6. Using haemolysed blood samples in analyses is avoided because:
(a) It gives false increase to some analytes
(b) It improves absorbance
(c) Bilirubin is not affected
(d) Apparatus get damaged

Q7. The proteins comprise the following:
(a) Globulins and albumin
(b) Globulins and mycoglobin
(c) Mycoglobin and albumin
(d) Albumin and phosphates

Q8. The fuctional unit of the kidney is a:
(a) Medulla
(b) Nephron
(c) Cortex
(d) Capsule


Q9. Excess passage of urine is called:
(a) Anuria
(b) Polyuria
(c) Asthenoguria
(d) Oliguria

Q10. To determine creatinine clearance, the samples to be analysed include urine and:
(a) Blood
(b) Stool
(c) Urine
(d) CSF

Q11. The appearance of urine may be altered in the following conditions
(a) Obstructive jaundice
(b) Hypertension
(c) Cardiac failure
(d) Anuria

Q12. Conjugated proteins include:
(a) Glutamic acid
(b) Haemoglobin
(c) Cholesterol
(d) Glycerol

Q13. A normal C.S.F sample contains the following EXCEPT:
(a) Erythrocytes
(b) Urea
(c) Chlorides
(d) Glucose

Q14. Human chorionic gonadotrophin harmone is secreted during:
(a) Menstruation
(b) Sleep
(c) Pregnancy
(d) Weddings
(e) Mating

Q15. At pH3 and in the presence of proteins Bromocresol green indicator changes colour from:
(a) Red to Yellow
(b) Yellow to Green
(c) Yellow to Blue
(d) Colourless to Green

Q16. Flames emission photometry can be used in the estimation of
(a) Barium
(b) Oxalates
(c) Potassium
(d) Chloride
(e) Sodium

Q17. Glucose is oxidized by atmospheric oxygen in the presence of glucose oxidase enzyme to:
(a) Gluconic acid
(b) Keto sugar
(c) Amino sugar
(d) Osazones
(e) Mucin

Q18. Diabetes mellitus differs from diabetes insipidus because the SG of urine in the former is:
(a) Higher
(b) Lower
(c) Normal
(d) Cannot be measured
(e) Not of diagnostic value

Q19. The detection of chlorides in urine using silver nitrate is based on the:
(a) Precipitation of Cl-
(b) Neutralization of Cl-
(c) Absorption of Cl-
(d) Adsorption of Cl-
(e) Assimilation of Cl-