# Medical Laboratory Technician Questions and Answers

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## Model Questions and Answers on Medical Laboratory Technician

1. The length of Oesophagus is
(a) 24 cm
(b) 25 cm
(c) 26 cm
(d) None of these

2. The production of gastric juice per day is about
(a) 1.5 litres
(b) 1.0 lites
(c) 1.25 litres
(d) 2 litres

3. The weight of liver is about
(a) 1.5 kgs
(b) 2 kgs
(c) 2.50 kgs
(d) None of these

4. The size of the kidneys are
(a) 12×5×3 cms
(b) 12×6×4 cms
(c) 12×7×5 cms
(d) None of these

5. The lining epithelium of urinary bladder is
(a) Squamous cells
(b) Transitional cells
(c) Columnar cells
(d) Ciliated columnar cells

6. The length of fallopian tubes are
(a) 17 cms
(b) 14 cms
(c) 15 cms
(d) 16 cms

7. The lining epithelium of cervix (ectocervix) is
(a) Glandular epithelium
(b) Squamous epithelium
(c) Navicular cells
(d) Cuboidal epithelium

8. The buffer solution is prepared by combining
(a) A weak acid and its salt
(b) A weak base and its salt
(c) Acidic salt and basic salt
(d) All of these

9. The enzymes mainly used in ELISA Technique are
(a) Acid phosphatase
(b) Glucose oxidase
(c) Alkaline phosphatase
(d) Both (b) and (c)

10. Which is flammable hazard
(a) Picric acid
(b) Ether
(c) Hydrochloric acid
(d) Sodium cyanide

11. 1g means
(a) 100 mg
(b) 10 mg
(c) 1000 mg
(d) 10000 mg

12. When strong acid is mixed with water
(a) Water is added to acid
(b) Acid is added to water slowly
(c) Both (a) & (b)
(d) None of these

13. These are cellular organelles called “suicide bags”
(a) Lysosomes
(b) Ribosomes
(c) Nucleolus
(d) Golgi’s bodies

14. The following substances are cell inclusions, except
(a) Melanin
(b) Glycogen
(c) Lipids
(d) Vitamins

15. Which of the following is reducing compounds?
(a) Co2
(b) O2

16. The first law of thermodynamics states that energy can be
(a) Converted
(b) Destroyed
(c) Created
(d) All of these

17. A catalyst
(a) Stops a reaction
(b) Speed up a reaction
(c) Slow down a reaction
(d) Make a reaction to go in different direction

18. Chemically water is
(a) Amphoteric
(b) Neutral
(c) Alkaline
(d) Acidic

19. Positive Benedict’s test in urine, means the presence of
(a) Sucrose
(b) Non glucose reducing substance
(c) Glucose
(d) Both (b) and (c)

20. Dextrose means
(a) Ribose
(b) D-fructose
(c) D-glucose
(d) Dextrin

21. Gluconeogenesis is decreased by the action of the following hormone-
(a) Inulin
(b) Glucagon
(c) Glucocorticoids
(d) Thyroxine

22. Which hormone is responsible for glucose uptake by Liver Cells
(a) Glucagon
(b) Insulin
(c) Epinephrine
(d) Norepinephrine

23. Obesity increase the risk of
(a) Diabetes mellitus
(b) Gout
(c) Cardiovascular diseases
(d) Both (a) and (c)

24. Conversion of glucose to glucose-6-phosphate in liver is catalysed by
(a) Hexokinase
(b) Glucokinase
(c) G6PD
(d) Both (a) & (b)

25. The number of molecules of ATP produced by the total oxidation of acetyl-COA in TCA cycle is
(a) 4
(b) 8
(c) 12
(d) 226. During normal Resting state, most of the blood glucose is used by
(a) Kidneys
(b) Brain
(c) Liver

27. Normal fasting blood glucose and glycosuria indicates
(a) Diabetes mellitus
(b) Renal glycosuria
(c) Diabetes insipidus
(d) All of these

28. Which protein is found in hair?
(a) Myoglobin
(b) Collagen
(c) Keratin
(d) Myosin

29. Which one is a sulphur containing Amino-acid
(a) Cysteine
(b) Tyrosin
(c) Valine
(d) Alanine

30. Which of the following is an essential amino-acid
(a) Aspartate
(b) Glutamate
(c) Alanine
(d) Valine

31. The main site of urea synthesis is
(a) Liver
(b) Brain
(c) Skin
(d) Intestine

32. The main protein of cow’s milk is
(a) Albumin
(b) Casein
(c) Gamma globulin
(d) Glutein

33. The normal range of serum Total protein is
(a) 6.0 – 8.0 g/dl
(b) 2.0 – 1.8 g/dl
(c) 3.0 – 4. 0 g/dl
(d) 4.0 – 6.0 g/dl

34. Bence Jones proteins may be excreted in urine of patient suffering from
(a) Diabetes insipid
(b) Pre-renal condition
(c) Multiple myeloma
(d) Hyper thyroidsm

35. Serum Acid Phosphatase level increase in
(a) Liver diseases
(b) Acute pancreatitis
(c) Renal diseases
(d) Metastatic carcinoma of prostate

36. Serum amylase level increase in
(a) Acute pancreatitis
(b) Renal diseases
(c) Hepatitis
(d) All of these

37. Which one of the following is a smallest bacteria
(a) N. Gonorrhoea
(b) M. Tuberculosis
(c) Mycoplasma
(d) Vibrio chlerae

38. The organs of locomotion in bacteria are
(a) Flagella
(b) Pili
(c) Pseudopodia
(d) Both (b) & (c)

39. Bacterial capsules are
(a) Antiphagocytic
(b) Antibacteriophagic
(c) Anti toxic
(d) Both (a) & (b)

40. The surface antigens present in cell wall of gram positive bacteria are
(a) LPS
(b) Techoic Acid
(c) Lipoproteins
(d) Glycoproteins

41. Endotoxin present in cell wall of gram negative bacteria is
(a) Polypeptide
(b) Mucopolysacharide
(c) Lipopolysaccharide
(d) Glycolipids

42. Bacteria which prefer low temperature (0-22oC) for growth are known as
(a) Thermophilic
(b) Mesophilic
(c) Thermodeuric
(d) Psychrophilic

43. Blood Agar medium is –
(a) Selective medium
(b) Differential medium
(c) Selective differential medium
(d) All of these

44. Which one of the following is not a selective medium
(a) Nutrient agar medium
(b) L.J. medium
(c) Blood agar medium
(d) Thayer Martin medium

45. Paraffin oil can be sterilised by
(a) Hot air oven
(b) Filtration
(c) Autoclaving
(d) Disinfection

46. Best autoclaving is achieved at
(a) 121oC for 15 minutes.
(b) 120oC for 1 hour
(c) 110oC for 2 hours
(d) 100oC for 3 hours

47. Disposable syringes or plastic goods are best sterilised by
(a) Ethylene oxide gas
(b) Formalin
(c) Ozone
(d) Glutaraldehyde

48. Which of the following is an inborn immunity?
(a) Natural active immunity
(b) Natural passive immunity
(c) Innate immunity
(d) Both (a) & (b)

49. B-lymphocytes are responsible for
(a) Cellular immunity
(b) Humoral immunity
(c) Innate immunity
(d) None of these

50. Lymphokines are produced by
(a) T cells
(b) 1g G
(c) B. cells
(d) 1g M

51. Widal test is
(a) Precipitation reactions
(b) Agglutination reaction
(c) Complement fixation
(d) Both (b) & (c)

52. Which of the following methods of ELISA is used for the detection of antibody?
(a) Direct method
(b) Indirect method
(c) Both (a) & (b)
(d) None of these

53. L.J. medium is used for cultivation of
(a) M. Tuberculosis
(b) B. anthracis
(c) Cl. Tetani
(d) H. influenza

54. Which of the following bacteria is biological indicator of water pollution?
(a) N. Meningitidis
(b) E. Coli
(c) B. anthracis
(d) C. Diptheria

55. Shigella dysenteriae causes
(a) Anaemia
(b) Cholera
(c) Amoebic dysenteriae
(d) Bacillary dysentery

56. VDRL is a screening test for
(a) Gonorrhoea
(b) Pneumonia
(c) AIDS
(d) Syphilis

57. Extensive branched filamentous body of a fungus is called
(a) Hyphae
(b) Mycelium
(c) Mold
(d) Mushroom

58. One of the following is not the major group of true fungi
(a) Slime molds
(b) Molds
(c) Yeasts
(d) Mushroom

59. The most common method of reproduction in yeast is
(a) Fusion
(b) Budding
(c) Fragmentation
(d) Sexual

60. Oral thrush is caused by
(a) Penicillium
(b) Fusarium
(c) Candida
(d) None of these

61. Which of the following hepatitis is called infectious hepatitis?
(a) Hepatitis – A
(b) Hepatitis – B
(c) Hepatitis – C
(d) Hepatitis – D

62. Hepatitis A is transmitted through
(a) Blood product
(b) Sexual intercourse
(c) Fecal-oral-route
(d) None of these

63. In AIDS, there occur depletion of
(a) Monocytes
(b) Granulocytes
(c) Retriculocytes
(d) CD4 lymphocytes

64. Polio is caused by –
(a) Echovirus
(b) Flavivirus
(c) Enterovirus
(d) Arbovirus

65. Dengue is caused by
(a) Retrovirus
(b) Flavivirus
(c) Herpes virus

66. Hydrophobia is an alternative name for
(a) Measles
(b) Hepatitis
(c) Rabies
(d) Rubella

67. An organism that lives in or on another organism and derived its nourishment without giving anything, in return is called
(a) Microbe
(b) Germs
(c) Parasites
(d) All of these

68. The 4 nucleated cyst of E histolytica is called
(a) OOcyst
(b) Procyst
(c) Metacyst
(d) Hydatid cyst

69. Amoebiasis is caused by
(a) E – histolytica
(b) E – vermicularis
(c) E – granulosus
(d) E – coli

70. The larvae of T. Solium is
(a) C. cellulose
(b) C. bovis
(c) Both (a) & (b)
(d) None of these

71. Toxic fluid secreted by A. lumbricoides is called
(a) Ascaris Acid
(b) Ascaron
(c) Hepton
(d) None of these

72. The life cycle of malarial parasites in man is called
(a) Schizogony
(b) Gametogony
(c) Sporogony
(d) None of these

73. A relaltionship in which both organisms (parasites and host) are benefitted is
(a) Antagonism
(b) Synergism
(c) Parasitism
(d) Mutualism

74. The other name of ankylostoma duodenale is
(a) Round worm