5901 to 5950 MCQs for Lab Technician and Technologist Exam Preparation
5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.

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Questions 5901 to 5950
- In Ames’ assay, liver homogenate is included in the culture medium because
- It converts pro-carcinogens into carcinogens ✔
- Liver can metabolise histidine
- Salmonella mainly infects liver
- Liver is very susceptible to cancer
- Bile pigments are present and urobilinogen absent in urine in
- Haemolytic jaundice
- Hepatocellular jaundice
- Obstructive jaundice ✔
- Crigler-Najjar syndrome
- Bile pigments are absent and urobilinogen increased in urine in
- Haemolytic jaundice ✔
- Hepatocellular jaundice
- Obstructive jaundice
- Rotor’s syndrome
- In obstructive jaundice, urine shows
- Absence of bile pigments and urobilinogen
- Presence of bile pigments and urobilinogen
- Absence of bile pigments and presence of urobilinogen
- Presence of bile pigments and absence of urobilinogen ✔
- In haemolytic jaundice, urine shows
- Absence of bile pigments and urobilinogen
- Presence of bile pigments and urobilinogen
- Absence of bile pigments and presence of urobilinogen ✔
- Presence of bile pigments and absence of urobilinogen
- Serum albumin may be decreased in
- Haemolytic jaundice
- Hepatocellular jaundice ✔
- Obstructive jaundice
- All of these
- Normal range of serum albumin is
- 2.0–3.6 gm/dl
- 2.0–3.6 mg/dl
- 3.5–5.5 gm/dl ✔
- 3.5–5.5 mg/dl
- Normal range of serum globulin is
- 2.0–3.6 mg/dl
- 2.0–3.6 gm/dl ✔
- 3.5–5.5 mg/dl
- 3.5–5.5 gm/dl
- Serum albumin: globulin ratio is altered in
- Gilbert’s disease
- Haemolytic jaundice
- Viral hepatitis ✔
- Stones in bile duct
- Esterification of cholesterol occurs mainly in
- Adipose tissue
- Liver ✔
- Muscles
- Kidneys
- Galactose intolerance can occur in
- Haemolytic jaundice
- Hepatocellular jaundice
- Obstructive jaundice
- None of these ✔
- Prothrombin is synthesised in
- Erythrocytes
- Reticulo-endothelial cells
- Liver ✔
- Kidneys
- Prothrombin time remains prolonged even after parenterals administration of vitamin K in
- Haemolytic jaundice
- Liver damage ✔
- Biliary obstruction
- Steatorrhoea
- All the following statements about obstructive jaundice are true except
- Conjugated bilirubin in serum is normal ✔
- Total bilirubin in serum is raised
- Bile salts are present in urine
- Serum alkaline phosphatase is raised
- All the following statements about obstructive jaundice are true except
- Prothrombin time may be prolonged due to impaired absorption of vitamin K
- Serum alkaline phosphatase may be raised due to increased release of the enzyme from liver cells ✔
- Bile salts may enter systemic circulation due to biliary obstruction
- There is no defect in conjugation of bilirubin
- A test to evaluate detoxifying function of liver is
- Serum albumin: globulin ratio
- Galactose tolerance test
- Hippuric acid test ✔
- Prothrombin time
- Hippuric acid is formed from
- Benzoic acid and alanine
- Benzoic acid glycine ✔
- Glucuronic acid and alanine
- Glucuronic acid and glycine
- An enzyme which is excreted in urine is
- Lactase dehydrogenase
- Amylase ✔
- Ornithine transcarbamoylase
- None of these
- Serum gamma glutamyl transpeptidase is raised in
- Haemolytic jaundice
- Myocardial infarction
- Alcoholic hepatitis ✔
- Acute cholecystitis
- Urea clearance is the
- Amount of urea excreted per minute
- Amount of urea present in 100 ml of urine
- Volume of blood cleared of urea in one minute ✔
- Amount of urea filtered by glomeruli in one minute
- Inulin clearance is a measure of
- Glomerular filtration rate ✔
- Tubular secretion flow
- Tubular reabsorption rate
- Renal plasma flow
- Phenolsulphonephthalein excretion test is an indicator of
- Glomerular filtration
- Tubular secretion ✔
- Tubular reabsorption
- Renal blood low
- Para-amino hippurate excretion test is an indicator of
- Glomerular filtration
- Tubular secretion
- Tubular reabsorption
- Renal plasma flow ✔
- Renal plasma flow of an average adult man is
- 120–130 ml/minute
- 325–350 ml/minute
- 480–52 ml/minute
- 560–830 ml/minute ✔
- Filtration fraction can be calculated from
- Standard urea clearance and PSP excretion
- Maximum urea clearance and PSP excretion
- Maximum urea clearance and PAH clearance
- Inulin clearance and PAH clearance ✔
- Normal filtration fraction is about
- 0.2 ✔
- 0.4
- 0.6
- 0.8
- Filtration fraction is increased in
- Acute glomerulonephritis ✔
- Chronic glomerulonephritis
- Hypertension
- Hypotension
- Esters of fatty acids with higher alcohols other than glycerol are said to be
- Waxes ✔
- Fats
- Both (Waxes ) and (Fats)
- None of these
- The combination of an amino alcohol, fatty acid and sialic acid form
- Phospholipids
- Sulpholipids
- Glycolipids ✔
- Aminolipids
- Hydrolysis of fats by alkali is called
- Saponification nu✔mber
- Saponification 11
- Both (Saponification number) and (Saponification)
- None of these
- The number of milliliters of 0.1 N KOH required to neutralize the insoluble fatty acids from 5 gms of fat is called
- Acid number ✔
- Acetyl number
- Halogenation
- Polenske number
- The rate of fatty acid oxidation is increased by
- Phospholipids ✔
- Glycolipids
- Aminolipids
- All of these
- Lecithin contains a nitrogenous base named as
- Ethanolamine
- Choline ✔
- Inositol
- All of these
- Lecithins contain an unsaturated fatty acid at position:
- α
- α and β
- β ✔
- None of these
- Lecithins are soluble in ordinary solvents except
- Benzene
- Ethyl alcohol
- Methyl alcohol
- Acetone ✔
- Lecithins combine with protein to form
- Phosphoprotein
- Mucoprotein
- Lipoprotein ✔
- Glycoprotein
- Instead of ester link plasmalogens possess an other link in position:
- α✔
- β
- γ
- None of these
- The alkyl radical in plasmalogen is an alcohol:
- Saturated
- Unsaturated ✔
- Both (Saturated) and (Saturated)
- None of these
- The concentration of sphingomyelins are increased in
- Gaucher’s disease
- Fabry’s disease
- Fabrile disease
- Niemann-Pick disease ✔
- Sphingomyelins contain a complex amino alcohol named as
- Serine
- Lysolecithin
- Sphingosine ✔
- GlycoL
- The types of sphingomyelins are
- 1
- 3 ✔
- 4
- 5
- Glycolipids contain an amino alcohol:
- Sphingosine
- Iso-sphingosine
- Both (Sphingosine ) and (Iso-sphingosine) ✔
- None of these
- Cerebrosides may also be classified as
- Sphingolipids
- Sulpholipids
- Aminolipids
- Glycolipids ✔
- Gaucher ’s d isease is character ized specially by the increase in
- Lignoceric acid
- Nervonic acid
- Cerebomic acid ✔
- Hydroxynervonic acid
- Gangliosides are the glycolipids occurring in
- Brain ✔
- Liver
- Kidney
- Muscle
- Lipoprotein present in cell membrane is by nature:
- Hydrophilic
- Hydrophobic
- Both (Hydrophilic ) and (Hydrophobic) ✔
- None of these
- The density of lipoproteins increases as the protein content
- Increases ✔
- Decreases
- Highly decreases
- Slightly and promptly decreases
- Lipoprotiens may be identified more accurately by means of
- Electrophoresis
- Ultra centrifugation
- Centrifugation
- Immunoelectrophoresis✔
- Very low density lipoproteins are also known as
- β-lipoproteins
- Pre β–lipoproteins ✔
- α-lipoproteins
- None of these
- The protein moiety of lipoprotein is known as
- Apoprotein ✔
- Pre-protein
- Post-protein
- Pseudoprotein
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
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