4651 to 4700 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 4651 to 4700
- A carbohydrate, known commonly as invert sugar, is
- Fructose
- Sucrose✔
- Glucose
- Lactose
- A heteropolysacchraide among the following is
- Inulin
- Cellulose
- Heparin✔
- Dextrin
- The predominant form of glucose in solution is
- Acyclic form
- Hydrated acyclic form
- Glucofuranose
- Glucopyranose✔
- An L-isomer of monosaccharide formed in human body is
- L-fructose
- L-Erythrose
- L-Xylose
- L-Xylulose✔
- Hyaluronic acid is found in
- Joints✔
- Brain
- Abdomen
- Mouth
- The carbon atom wh ich becomes asymmetric when the straight chain form of monosaccharide changes into ring form is known as✔
- Anomeric carbon atom
- Epimeric carbon atom
- Isomeric carbon atom
- None of these
- The smallest monosaccharide having furanose ring structure is
- Erythrose
- Ribose✔
- Glucose
- Fructose
- Which of the following is an epimeric pair?
- Glucose and fructose
- Glucose and galactose✔
- Galactose and mannose
- Lactose and maltose
- α-Glycosidic bond is present in
- Lactose
- Maltose✔
- Sucrose
- All of these
- Branching occurs in glycogen approximately after every
- Five glucose units
- Ten glucose units✔
- Fifteen glucose units
- Twenty glucose units
- N–Acetylglucosamnine is present in
- Hyaluronic acid
- Chondroitin sulphate
- Heparin
- All of these✔
- Iodine gives a red colour with
- Starch✔
- Dextrin
- Glycogen
- Inulin
- Amylose is a constituent of
- Starch✔
- Cellulose
- Glycogen
- None of these
- Synovial fluid contains
- Heparin
- Hyaluronic acid✔
- Chondroitin sulphate
- Keratin sulphate
- Gluconeogenesis is decreased by
- Glucagon
- Epinephrine
- Glucocorticoids
- Insulin✔
- Lactate formed in muscles can be utilised through
- Rapoport-Luebeling cycle
- Glucose-alanine cycle
- Cori’s cycle✔
- Citric acid cycle
- Glucose-6-phosphatase is not present in
- Liver and kidneys
- Kidneys and muscles
- Kidneys and adipose tissue
- Muscles and adipose tissue✔
- Pyruvate carboxylase is regulated by
- Induction
- Repression
- Allosteric regulation
- All of these✔
- Fructose-2, 6-biphosphate is formed by the action of
- Phosphofructokinase-1
- Phosphofructokinase-2✔
- Fructose biphosphate isomerase
- Fructose-1, 6-biphosphatase
- The highest concentrations of fructose are found in
- Aqueous humor
- Vitreous humor
- Synovial fluid
- Seminal fluid✔
- Glucose uptake by liver cells is
- Energy-consuming
- A saturable process
- Insulin-dependent
- Insulin-independent✔
- Renal threshold for glucose is decreased in
- Diabetes mellitus
- Insulinoma
- Renal glycosuria✔
- Alimentary glycosuria
- Active uptake of glucose is inhibited by
- Ouabain
- Phlorrizin✔
- Digoxin
- Alloxan
- Glucose-6-phosphatase is absent or deficient in
- Von Gierke’s disease✔
- Pompe’s disease
- Cori’s disease
- McArdle’s disease
- Debranching enzyme is absent in
- Cori’s disease✔
- Andersen’s disease
- Von Gierke’s disease
- Her’s disease
- McArdle’s disease is due to the deficiency of
- Glucose-6-phosphatase
- Phosphofructokinase
- Liver phosphorylase
- muscle phosphorylase✔
- Tautomerisation is
- Shift of hydrogen✔
- Shift of carbon
- Shift of both
- None of these
- In essential pentosuria, urine contains
- D-Ribose
- D-Xylulose
- L-Xylulose✔
- D-Xylose
- Action of salivary amylase on starch leads to the formation of
- Maltose
- Maltotriose
- Both of the above✔
- Neither of these
- Congenital galactosaemia can lead to
- Mental retardation
- Premature cataract
- Death
- All of the above✔
- Uridine diphosphate glucose (UDPG) is
- Required for metabolism of galactose
- Required for synthesis of glucuronic acid
- A substrate for glycogen synthetase
- All of the above✔
- The following is actively absorbed in the intestine:
- Fructose
- Mannose
- Galactose✔
- None of these
- An amphibolic pathway among the following is
- HMP shunt
- Glycolysis
- Citirc acid cycle✔
- Gluconeogenesis
- Cori’s cycle transfers
- Glucose from muscles to liver
- Lactate from muscles to liver✔
- Lactate from liver to muscles
- Pyruvate from liver to muscles
- Excessive intake of ethanol increases the ratio:
- NADH : NAD+✔
- NAD+ : NADH
- FADH2 : FAD
- FAD : FADH2
- Ethanol decreases gluconeogenesis by
- Inhibiting glucose-6-phosphatase
- Inhibiting PEP carboxykinase
- Converting NAD+ into NADH and decreasing the availability of pyruvate✔
- Converting NAD+ into NADH and decreasing the availability of lactate
- Glycogenin is
- Uncoupler of oxidative phosphorylation
- Polymer of glycogen molecules
- Protein primer for glycogen synthesis✔
- Intermediate in glycogen breakdown
- During starvation, ketone bodies are used as a fuel by
- Erythrocytes
- Brain✔
- Liver
- All of these
- Animal fat is in general
- Poor in saturated and rich in polyunsaturated fatty acids
- Rich in saturated and poor in polyunsaturated fatty acids✔
- Rich in saturated and polyunsaturated fatty acids
- Poor in saturated and polyunsaturated fatty acids
- In the diet of a diabetic patient, the recommended carbohydrate intake should preferably be in the form of
- Monosaccharides
- Dissaccharides
- Polysaccharides✔
- All of these
- Obesity increases the risk of
- Hypertension
- Diabetes mellitus
- Cardiovascular disease
- All of these✔
- Worldwide, the most common vitamin deficiency is that of
- Ascorbic acid
- Folic acid
- Vitamin A✔
- Vitamin D
- Consumption of iodised salt is recommended for prevention of
- Hypertension
- Hyperthyroidism
- Endemic goitre✔
- None of these
- Restriction of salt intake is generally recommended in
- Diabetes mellitus
- Hypertension✔
- Cirrhosis of liver
- Peptic ulcer
- Polyuria can occur in
- Diabetes mellitus✔
- Diarrhoea
- Acute glomerulonephritis
- High fever
- Normal specific gravity of urine is
- 1.000–1.010
- 1.012–1.024✔
- 1.025–1.034
- 1.035–1.045
- Specific gravity of urine is raised in all of the following except
- Diabetes mellitus
- Diabetes insipidus✔
- Dehydration
- Acute glomerulonephritis
- Heavy proteinuria occurs in
- Acute glomerulonephritis
- Acute pyelonephritis
- Nephrosclerosis
- Nephrotic syndrome✔
- Mucopolysaccharides are
- Hamopolysaccharides
- Hetropolysaccharides✔
- Proteins
- Amino acids
- Bence-Jones protein precipitates at
- 20°–40° C
- 40–-60° C✔
- 60°–80° C
- 80°–100° C
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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