Clinical Chemistry Theory paper

  1. Yeast fermentation will detect which of these sugars

a) Arabinose

b) Fructose

c) Ribose

d) Cellulose

e) Sucrose

 

2. Glycosuria without Hyperglycaemia in oral glucose Tolerance Test detects

a) Renal Threshold

b) Diabetes mellitus

c) Diabetes inspidus

d) Renal glycosuria

e) Flat diabetic curve

 

3. The reaction of a Carboxylic acid and an alcohol is

a) Polymerization

b) Saponification

c) Peptide bonding

d) Glycosidic bonding

e) Esterification

 

4. Commonly used chromogens include

a) Arsenomolybdic acid

b) Hydrogen peroxide

c) Gluconic Acid

d) Ortho-tolidine

e) Guaiacum

 

5. The condition whereby enzymes act best is known as

a) Catalytic activity

b) Optimum activity

c) Maximum activity

d) Minimum activity

e) Acidosis

 

6. On decarboxylation, acetoacetic acid yields:

a) Acetone

b) Aldehyde

c) Oxaloacetate

d) Beta-hydroxybutyric acid

er) A ketone

 

7. Urinometer is used for the estimation of

a) SG

b) Urea

c)_ Albumin

d) Protein

e) Glucose

 

8. Both DNA and RNA contain Pyrimidine bases called

a) Guanine

b) Xanthine

c) Cytosine

d) Thymine

e) Adenine

 

9. Bence-Jones protein in urine can be tested by

a) Sulphosalysalic acid

b) Nitric acid test (Hellers)

c) Bradshaw’s test

d) Electrophoresis

e) Gmelin’s test

 

10. Calculate the Optical Density given percentage transmittance to be 40%

a) 2

b) 4

c) 5

d) 6

e) 3

 

11. Glucose working standards is always preserved in

a) Benzoic Acid

b) Hydrochloric acid

c) Sodium fluoride

d) Chloroform

e) Diaphenyl Carbazone

 

12. Conjugated bilirubin is

a) Bound to Albumin

b) Reduced bilirubin

d) Bilirubin glucoronide

d) Less-toxic

e) Toxic

 

13. Renal Amino-aciduria is a defect due to

a) Tubular reabsorption

b) Urinary tract obstruction

c) Liver diseases

d) Glomerular filtration

e) Intestinal obstruction

 

14. Which of these are Purine Bases?

a) Arginine

b) Adenosine

c) Guanine

d) Cytosine

e) Thymine

 

15. Substances that dissolve to form suspensions

a) Crystalloids

b) Suspensoids

c) Emulsoids

d) Colloids

e) Dialysis

 

16. During the use of a PH meter, the Silver/Silver Chloride is

a) gravimetric analysis

b) standard PH electrode

c) reference electrode

d) potentiometric

e) equivalent electrode

 

17. Uric acid forms as an end product of

a) Purine metabolism

b) Protein metabolism

c) Nucleoprotein metabolism

d) Urea metabolism

e) Ammonia metabolism

 

18. The law that relates transmitted light with the thickness of the solution is

a)Lamberts’ law

b) Beers’ law

c) Charles’ law

d) Dattons’ law

e) Boyles’ law

 

19. Augmented histamine test in gastric juice analysis

a) Is done when the Patient has fasted

b) Is done when the Patient has not fasted

c) Antihistamine given first

d) Is done to defect renal defect

e) Uses dilute alcohol for stimulation

 

20. Quality Control (QC) in chemical Laboratory

a) should be done once a month

b) should be done regularly

c) should not be performed

d) starts when the specimen is being taken

e) not important

 

 

21. 2Bicarbonate is usually estimated in the laboratory by

a)Flame photometry

b) Colorimetry

c) Titration

d) Chromatography

e) Neutralization

 

22. The buffer in alkaline Phosphatase estimation is

a) Phenyl Phosphate

b) Bicarbonate/Phosphate

c) Carbonate /bicarbonate

d) 4-aminophenazone

e) Phenol

 

23. When urea is heated above the melting point (over 180oC)

a) Citrulline is formed

b) Biuret is formed

c) Ammonia is formed

d) Carbon dioxide is formed

e) Urochrome is formed

 

24. Which of these reagents are used in Cholesterol Estimation?

a) Hydrochloric acid

b) Methanol

c) Chloroform

d) Nitric acid

e) Acetic anhydride/Sulphuric acid

 

25. Serum glutamate-Pyruvate acid transaminase (SGPT) has the substrate as

a) Alanine

b) Pyruvate

c) Aspirate

d) Beta Oxaloacetate

e) Glutamic acid

 

26. Amylase always act on starch and the endpoint can be determined by

a) Potassium Iodide

b) Iodine

c) Fluorine

d) Bromine

e) Chlorine

 

27. CSF normal Protein range is

a) 6-8gm%

b) 15-40mg%

c) 3-4mg%

d) 15-0.4mg%

e) 15-0.4gm/L