Clinical Chemistry Theory Paper
Q1. The PH of a solution is given as 6, what is the concentration of a hydroxyl ion (OH-)?
a) 000001
b) 106
c) 10-6
d) 10-8
e) 108
Q2. The percentage transmittance of solution who’s OD = 0.7 is:
a) 20%
b) 40%
c) 30%
d) 50%
e) 10%
Q3. 10 ml of 0.1 M NaOH neutralizes 5 ml of HCl the concentration of the acid is therefore:
a) 2 M
b) 2 M
c) 1 M
d) 02 M
e) 5 M
Q4. Water, which is prepared by still apparatus, is:
a) Sterile but has soluble salts
b) Sterile and free from water-soluble salts
c) Not sterile but free from soluble salts
d) Sterile and free from insoluble salts.
e) Sterile only.
Q5. Inflame photometry, the specimen is sprayed into the burner by:
a) Monochromator
b) Photodetector
c) Nebulizer
d) Capillary tube
e) Atomizer
Q6. Thin-layer chromatography techniques are based on which principles:
a) Partition and Adsorption
b) Partition and Gel-filtration
c) Gel-filtration and ion-exchange
d) Absorption and Gel-filtration
e) Absorption and Ion-exchange
Q7. Tetrabromphenol blue is an indicator used in:
a) Clinitest
b) Clinistix
c) Albustix
d) Ictostix
e) Azostix
Q8. To make 8 ml of a 1 in 200 serum dilution, you need:
a) 1 ml of serum
b) 04 ml of serum
c) 8 ml of serum
d) 4 ml of serum
e) 02 ml of serum
Q9. In pre-hepatic jaundice, indirect Bilirubin in serum is:
a) Low
b) Normal
c) High
d) Nil
e) Not affected
Q10. In Schales and Schales method for Cl– ion determination, the indicator used in the titration is:
a) Diphenyl Carbazone
b) Phenolphthalein
c) Phenol red
d) Methyl red
e) Neutral red
Q11. The common test/s for detecting glucose, fructose, and lactose in urine is/are:
a) Clinistix
b) Methylamine
c) Osazone test
d) Clinitest
e) Benedict reagent
Q12. The following are ketone bodies formed as a result of the loss of carbon dioxide?
a) Aceto-acetic acid
b) Acetone
c) Beta-hydroxybutyric acid
d) Β – hydroxybutyric acid
e) Ketones
Q13. Phenistix is a paper strip for detecting:
(a) Ketonemia
b) Salicylates and phenyl pyruvic acid
(c) Beta-hydroxybutyric acid and Salicylates
d) Acetone and Acetoacetic acid
e) Acetone and β- hydroxybutyric acid
Q14. Proteins are coagulated by heat in a slightly acid medium. Which acid is commonly used?
a) 5% acetic acid
b) 5% aceto-acetic acid
c) 5% sulfosalicylic acid
d) 3% sulfosalicylic acid
e) nitric acid
Q15. Eibach’s test is used to detect:
a) Protein in urine
b) Glucose in urine
c) Ketones in urine
d) Bence-Junes protein
e) Salicylates in urine
Q16. Which of these products is/are structurally the same as stercobilinogen?
a) Stercobilin
b) Urobilinogen
c) Indirect bilirubin
d) Direct bilirubin
e) Urobilin
Q17. Which of the following are characteristics of direct bilirubin, which assist in its estimation in serum?
a) Conjugated
b) Non-toxicity
c) Water solubility
d) Alcohol insoluble
e) Alcohol soluble
Q18. Liebermann – Burchard method measures:-
a)Triglyceride
b) Cholesterol
c) Lipids
d) Steroids
e) Proteins
Q19. Which of the following hormones are involved in gastric juice secretion?
a) Rennin
b) Pepsin
c) Sucrose
d) Trypsin
e) Insulin
Q20. In paper electrophoresis, the serum protein is usually presented as:
a) 4 bands
b) 5 bands
c) 6 bands
d) 7 bands
e) 8 bands
Q21. Lambert’s Law relates transmitted light from a colored solution to:
a) Thickness of the solution
b) Concentration of the solution
c) Extinction of the solution
d) Blank of the solution
e) Specific gravity of the solution
Q22. Diazo reagent is composed of:
a) Sulphuric acid
b) Hydrochloric acid
c) Sodium Nitrate
d) 4-aminophenazone
e) sulphosalicyclic acid
Q23. Mohr’s indicator is:
a) Ferric chloride
b) Ferric Alum
c) Potassium Dichromate
d) Potassium chromate
e) Ammonium thiocyanate
Q24. The major extracellular anion of the body is/are:
a) Chloride
b) Potassium
c) Sodium
d) Bicarbonates
e) Calcium
Q25. The clinical condition caused by Hyperventilation is:
a) Metabolic alkalosis
b) Respiratory acidosis
c) Respiratory alkalosis
d) Hyperglycaemia
Q26. Serum/plasma bicarbonate may be estimated by:
a) Titrimetric method
b) Turbidimetric method
c) Colorimetric method
d) Enzymatic method
e) Photometric method
Q27. Amylase estimation may be used in the diagnosis of:
a) Acute pancreatitis
b) Nephritic syndrome
c) Salivary gland disorders
d) Gastric disorders
e) Hepatitis
Q28. The two diagnostically useful transaminases are:
a) Glutamate Oxaloacetate transaminase
b) Glutamate Pyruvate transaminase
c) Oxoglutarate Pyruvate
d) Aspartate aminotransferase
e) Alanine amino-Oxaloacetate
Q29. When glucose and copper II solution react in an alkaline medium:
a) The glucose is oxidized
b) The copper II ions are reduced
c) The glucose is reduced
d) The glucose becomes an alkali
e) A black/blue color develops
Q30. Uric acid is the end product of:
a) Nucleic acid metabolism
b) Rbcs metabolism
c) Protein metabolism
d) Purine metabolism
e) Wbc metabolism
Q31. Heller’s test utilizes:
a) HCl
b) H2SO4
c) HNO3
d) CH3COOH
e) Ammonia
Q32. Reduction of biliverdin yields:
a) Indirect Bilirubin
b) Direct Bilirubin
c) Urobilinogen
d) Stercobilinogen
e) Glucoronic acid