Clinical Chemistry Theory Paper

Q 1:-.Why can’t the enzymes in the saliva work in the stomach?

a) It is too dark

b) Conditions are too acidic

c) They get broken down by bacteria

d) Movement of the stomach is very fast


Q2: Uric acid levels are determined in the diagnosis of:

a) Gout

b) Cirrhosis

c) Renal failure

d) Cardiomyopathy


Q 3: To accurately deliver 5µL of the specimen, the appropriate apparatus to use is:

a) Automated pipette

b) Volumetric pipette

c) Graduated pipette

d) Measuring cylinder


Q 4: Picric acid is used as one of the reagents in the estimation of :

a) Urea

b) Creatinine

c) Protein

d) Amylase


Q 5:-which of the following is NOT a urine preservative for creatinine clearance :

a) Thymol

b) Concentrated HCL

c) Toluene

d) Glycerin


Q 6:-Which of the following is NOT a renal function parameter :

a) Blood urea nitrogen

b) Potassium

c) Lipase

d) Creatinine


Q 7: -A specimen with a lot of bilirubin can be referred to as :

a) Icteric

b) Haemolyzed

c) Lipaemic

d) Alkapuric


Q 8:- Serum potassium concentration of 8.59 mmol/L refers to a condition known as.

a) Normal

b) Hyponatraemia

c) Hypernatraemia

d) Hyperkalaemia


Q 9:- Which of the following is an analytical method for glucose estimation.

a) Hexokinase

b) Glycogen oxidase

c) Ion selective electrodes

d) Turbimetric


Q 10:- Glycosuria can be defined as:-

A) Presence of oxidants in urine

B) Presence of glucose in the urine

c) Detection of protein in the urine

d) Presence of glucose in the blood


Q 11:-.Automation in clinical chemistry laboratory:-

a) Applicable in the laboratory with the minimal workload

b) Improves precision and accuracy

c) Does not use conventional methods

d) Very cheap to maintain


Q 12:-.Accuracy and precision is determined by the use of::-

a) Standard solution

b) Reference solution

c) Quality control solution

d) Analar reagent


Q 13:-.Electrophoresis refers to:-

a) Movement of particles

b) Migration of charged particles/solutes in a liquid medium under the influence of an electric current

c) Use of cellulose paper

d) Use of advanced technology


Q 14:-.what is the total volume when a 1 to 4 dilution is made in a solution?-


b) 4

c) 3

d) 10


Q 15:-Which of the following is a test for detecting Bence jones protein :

a) Flame photometry

b) ISE


d) Jaffe’s reaction test

e) Keratin


Q 16:-Which of the following is the current technological method of analyzing serum sodium:

a) Flame photometry

b) Ion selective electrode

c) Spectomagnetic

d) Jaffe’s reaction test

Q17:-Which of the following is a NOT a renal function parameter :

a) Blood urea nitrogen

b) Potassium

c) Lipase

d) Creatinine


(Q18)In the metabolism of glucose, insulin and glucagon have a common characteristic:

a) Acts on the same body cells

b) Promotes glycogenesis

c) Promotes glycogenolysis

d) Have the same effect in control of blood glucose


Q 19:-When handling a blood specimen, the following must be used as a protective tool :

a) Face mask

b) Hand gloves

c) Aluminum cloth

d) Forceps


Q 20:-It is a good laboratory practice to wear the following types of shoes when working in the laboratory

a) Open shoes

b) Closed shoes

c) Slippers

d) Black shoes