Clinical Chemistry Theory Paper

  1. Reference range of K+ in serum is

a) 136 – 148MEq/L

b) 8 – 5.0 MEq/L

c) 2 – 7.3 MEq/L

d) 8 – 5.0 mmol/L

e) 136 – 148 mmol/L


2. Reference range of Na+ in serum is

a) 136 – 148MEq/L

b) 8 – 5.0 MEq/L

c) 2 – 7.3 MEq/L

d) 8 – 5.0 mmol/L

e) 136 – 148 mmol/L


3. A Polysaccharide made up of glucose units only is

a) Oligosaccharide

b) Inulin

c) Starch

d) Sucrose

e) Maltose


4. Reduction of Bilirubin yield

a) Urobilinogen

b) Uric acid

c) Stercobilinogen

d) Biliverdin

e) Urobilin


5. Bial’s reagent is composed of

a) Sulphuric acid

b) Citric acid

c) Ferric Chloride

d) Orcinol

e) Resorcinol


6. 10mg% Urea can also be reported as

a) 76mmol/L

b) 70mmol/L

c) 66mmol/L

d) 10mmol/L

e) 63mmol/L\


7. Pentose/s include

a) Fucose

b) Mannose

c) Galactose

d) Arabinose

e) Trihexose


8. Chief cation in ICF is

a) Bicarbonate

b) Sodium

c) Potassium

d) Manganese

e) Chloride


9. Characteristic/s of enzymes include

a) Specificity

b) Reaction at 37oC

c) Resisting UV denaturation

d) Sensitivity to PH

e) Inhibition by fluorine


10. Flame- photometry can be used in the estimation of the following electrolyte/s

a) Manganese

b) Sodium

c) Potassium

d) Magnesium

e) Calcium


11. Uric acid is normally oxidized by

a) Peroxidase

b) Allantoin

c) Glucoronyl

d) Uricase

e) Esterase


12. Uric acid estimation is indicated in

a) Leukaemia

b) Certain anaemia

c) Muscle wasting diseases

d) Diabetes mellitus

e) Gouty arthritis


12. Blood glucose is directly regulated by

a) T3 and T4

b) Cortisol

c) Epinephrine

d) Insulin

e) Glucagon


13. A positive Hays’ test on a Urine specimen usually indicate

a) Glucose is present

b) No bile salts

c) Anuria

d) Surface tension is very low

e) Salts of cholic acid could be present


14. Ketosis is usually associated with

a) Diabetes mellitus

b) Leukaemia

c) Carbohydrate starvation

d) Anuria

e) Nephritis


15. Benzoic acid and its salts is normally used to

a) Add colour to solution

b) Act as preservative

c) Acidify solution

d) Reduce precipitation

e) Stop glycolysis


16. The enzyme amylase is elevated in diseases of


b) Pancreas

c) Liver

d) Brain

e) Salivary glands


17. Fluoride cannot be used in the assay of

a) Glucose

b) Acid Phosphatase

b) Urea

d) Uric acid

e) Amylase


18. Bone metabolism is associated with

a) Phosphorus

b) Urea

d) Cholesterol


e) Amines


19. There is practically no glucose in urine because

a) It is not filtered through the glomerulus

b) It is retained in the bladder

c) It oxidized in the medulla

d) It is used in the loop of Henle

e) It is absorbed in the convoluted tubules


20. Separation and identification of different sugars in a Urine sample is best achieved by

a) Electrophoresis

b) Fermentation

c) Ion-exchange

d) Western blot

e) Chromatography


21. Oxidative deamination in Protein metabolism yield

a) Uric acid

b) Urea

c) Carbamide

d) Ketogenic amino acids


22. Wallace diamond test give a red colour with

a) Urobilin

b) Urobilinogen

c) Bilirubin

d) Porphobilinogen

e) Biliverdin


23. A pale coloured Urine probably indicate

a) Glucose is present

b) Protein is present

c) Urine is dilute

d) Urine is concentrated

e) Urine is contaminated


24. The concentrating power of the Kidney can be routinely evaluated by analyzing the level of

a)Uric acid

b) Glomerular filtrate

c) Creatinine

d) Potassium

e) Bilirubin