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