1.

On what concept the autoclave works

a) moist heat sterilisation

b) dry heat sterilisation

c) filtration

d) radiation

2. Dry heat sterilisation is carried out in

a) Autoclave

b) hot air oven

c) oven

d) furnace

3. Spirit is ... % ethyl alcohol

a) 60

b) 80

c) 50

d) 70

4. .......is mainly used for sterilisation of thermometer centrifuges

a) 10 % formaldehyde

b) 20 % gluteraldehyde

c) 2 % gluteraldehyde

d) 2 % formaldehyde

5. An ideal antiseptic or disinfectant should have ...

a) Should have wide spectrum of activity,

b) Should be able to destroy microbes within practical period of time,

c) Should be active in the presence of organic matter

d) all of these

6. Which of the following is not a physical agent of sterilization

a) Sunlight

b) Radiation

c) C)Drying

d) Dyes

7. Bactericidal agents

a) Kill bacteria

b) Prevent bacterial multiplication

c) Both of above
 d) None of the above

8. Which of the following is not a method of dry heat sterilization

a) Flaming

b) Hot air oven

c) Incineration

d) Pasteurization

9) फिल्टर निर्जंतुकीकरणाची खालीलपैकी कोणती पद्धत आहे?

a) ऑस्मोसिस

b) प्रसार

c) डबल डिफ्यूजन

d) सिटिंग ड्रॉप

10) खालीलपैकी कोणत्या भागात वायुमार्गाच्या भिंतींवर मोठे एरोसोल कण जमा होतात?

a) जडत्वीय आघात

b) प्रसार

c) इलेक्ट्रोस्टॅटिक आकर्षण

d) अडथळा

11) Skandhan, Sandhan, Dahan and Pachan are indicated in the treatment of.........

a) Haemorrhage

b) Nadivrana

c) Vidradhi

d) Vatashthila

12) Adenomas arise in.......

a) Absorptive glands

b) Secretory glands

c) Hair follicles

d) Bones

13. TNM classification is used for grading.......

a) Fractures

b) Malignancy

c) Dislocations

d) Perforation of viscus

14. Swiss Roll operation is done in.......

a) Lymphoedema
 b) Malignancy of breast

c) Malignancy of bones

d) Malignancy of intestine's

15. Axonotmesis is.........

a) Concussion of nerves with physiological paralysis of conduction in intact nerve fibres

b) Intrathecal rupture of nerve fibres with intact sheath

c) Partial or complete division of nerve sheath or fibres

d) Pressure necrosis of nerves

16. What is the principle of moist heat. sterilization

a) Protein oxidation

b) Protein coagulation

c) Membrane dissolution

d) Cell lysis

17. Which of the following does not kill bacterial spores?

a) Autoclaving

b) Boiling

c) Dry heat

d) Ethylene oxide

18. Sterilization of disposable culture plates is done by:

a) UV radiation

b) Gamma radiation

c) Boiling

d) Autoclaving

19. Which indicator organism is used for moist heat sterilization?

a) Hacillus subtilis

b) Bacillus atrophaeus

c) Bacillus stearothermophilus

d) Clostridium difficile

20. Which is the most reliable method to ensure sterilization?

a) Visual inspection

b) Biological indicator
 c) Color change strip

d) Thermometer reading

21. The standard conditions for autoclaving are

a) 100°C for 30 minutes

b) 121°C at 15 psi for 15 minutes

c) C160°C for 1 hour

d) 132°C at 20 psi for 1 hour

22. Which of the following is the most effective method for sterilizing. heat-stable surgical instruments?

a) Boiling

b) Autoclaving

c) UV radiation

d) Alcohol

23. Which of the following sterilization methods is best suited for heat-sensitive materials like plastics?

a) Dry heat sterilization

b) Autoclaving

c) Ethylene oxide gas

d) Incineration

24. Which method of sterilization uses membrane filters to remove microorganisms?

a) Radiation

b) Filtration

c) Moist heat

d) Dry heat

25. Which organism is used as a biological indicator for testing the efficiency of autoclaves?

a) Bacillus subtilis

b) Clostridium perfringens

c) Geobacillus stearothermophilus

d) Escherichia coli

26. Which of the following is NOT considered an aseptic technique?

a) Wearing sterile gloves

b) Using hand saretizer before procedures

c) Coughing inta your elbow

 d) Using a sterilé drape over the work armo

27. What is the primary goel of stenitzation in healthcare setting?

a) To reduce the number of pathogens to a safe love

b) To kit all forms of microbial life, including apor

c) To cleanvisible dirt and debris

d) To prevent rust on surgical instruments

28. Which of the following methods is most effective for stenlizing surgical instruments?

a) Boiling water

b) B.Alcohol wipes

c) Autoclaving

d) UV light

29. Disinfection differs from sterilization in that disinfections

a) Removes all microorganisms

b) Killa bacterial spores

c) Only inhibits microbial growth

d) Elaminates moat pathagens, but not all microbial lite

30. Which of these disinfectants is most commonly used in hospitals for surface disinfection?

a) Hydrogen peroxide

b) Phenot

c) Chlorhexidine

d) Sodium hypochlorite (bleach)

31) For effective sterilization, autoclaves typically requires a temperature of

a) 121°c

b) 180°

c) 90°c

d) 200°c

32) The putrefactive destruction of tissues by disease causing bacteria or their toxins is

a) Al Asepsis

b) B) Antisepsis

c) C) Sepsis.

d) D). None

33) Linen thread requires minutes for sterilization.

 a) 60 min.

b) 120 min.

c) 20 min.

d) 5 min.

34) is used in sterilization of inoculating lops or wires, forceps points & spatulas

a) Flaming

b) Hot air oven

c) Heating below 100°c

d) Heating at 120°c

35) Halogens used in chemical method sterilization are,

a) Al Chlorine,

b) B) Iodine

c) C) Both.

d) D) None

36) Which of the following is not a method of sterilization

a) a)Physical

b) Cherricai

c) C)Biological

d) d)Gassous

37. Restricted zone conciats of

a) A)Changingroom

b) Scrub ares

c) C)OT

d) D)Aseptic zone

38) Alcohols are included in which method of sterilization

a) Physical

b) Chemical

c) Biological

d) Gaseous

38) Gaseous sterilization required for

a) OT

b) Ward

c) Both

d) None
40)Stages in process of autoclaving

a) Loading

b) Closing

c) Air removal

d) All

41. Which of the following is true?

Assertion- In autoclave , the metal instruement should be placed in upper part

Reason - because stream penetrations starts earlier in upper part

a) A.assertion is true but reason is false

b) B.assertion and reason both are true

c) C.assertion and reason both are false

d) D.the material of autoclaving affects the process thus it varies.

42.Which of the following is is true ?

a) A.fumigation is advised daily

b) B.fumigatin is advised at weekly intervals

c) C.fumigation is advised at monthly intervals

d) D. Fumigation is advised at 2 month interval

43) how much time do rubber gloves take in auto clave machine for sterilisation?

a) A.40min

b) B.30 min

c) C.20 min

d) D.45min

44) detol is

a) cetramide chlorhexidine

b) B)chloroxyenol

c) C)both

d) D)none

45)When did Charles Chamberland invented autoclave ?

a) A.1877

b) B. 1878

c) C.1879

d) D.1880

46) What is the primary goal of staralization?

 a) To reduce the number of microorganisms
b) To reduce all form of microbial life
c) To inhibit the growth of microorganisms
d) To promote the growth of microorganisms

47)Which of the following is the example of disinfectant?

a) Antibiotics
b) Antiseptics
c) Bleach
d) Vaccines
48) What is the primary purpose of fumigation inside OT?

a)To reduce noise level

b)To control temperature and humidity

c)To eliminate air born microorganisms

d)To improve lightening

49) Which of the following is a potential risk associated with fumigation inside OT?
a) Toxicity to patient and staff
b) Damage to equipments
c) Inadequate ventilation
d) All of the above

50)What is the recommended frequency for fumigation inside OT?

a)Daily

b)Weakly

c)Monthly

d)After each surgical process

51) Which is the common mode of sterilization

a) Radiation sterilization

b) Gamma ray sterilization

c) Moist heat sterilization

d) Dry heat sterilization

52)statement 1: Disinfection is the removal of organic and inorganic material from objects.

Statement 2: Cleaning is normally accomplished manually

a) Statement 1 is comect and 2 is incorrect.

b) Statement 2 is incorrect and 1 is incorrect

c) Both Statement are correct

d) Both Statement are incorrect

53) The optimum wavelength for UV sterilization is

a) 620nm

b) 280nm

c) 260nm

d) 320nm

54) Disadvantages of Aldehyde as chemical disinfectant.

a) Vapour are irritating

b) Leaves non volatile residue

c) Has poor penetration

d) All of the above

55) Gamma ray sterilization is derived from

a) Cobalt-60

b) Potassium-40

c) Mercury

d) Thorium

56) Which of the following is not a method of sterilization

a) Physical

b) Chemical

c) Biological

d) Gaseou

57) Restricted zone consists of

a) Changing room

b) Scrub area

c) OT

d) Aseptic zone

58) Alcohols are included in which method of sterilization

a) Physical

b) Chemical

c) Biological
d) Gaseous

59) Gaseous sterilization required for

a) OT

b) Ward

c) Both

d) None

60)Stages in process of autoclaving

a) Loading

b) Closing

c) Air removal

d) All

Answers 56. C

57.A

58.B

59.C

60.D

61. What is the primary resson for maintaining sterility in an operation theater?

A. To control temperature

B. To reduce noise levels

C. To prevent surgical site infections

D. To enhance lighting

62. Which of the following is considered a sterile area during surgery?

A. Back of the sungical gown

B. Front of the gown from chest to waist and sleeves up to elbows

C. Bottom of the operating table

D. Anesthesia workstation

63. Which method is most commonly used to sterilize surgical instruments?

A. Boiling

B. Chemical disinfection
C. Autoclaving

D. Ultraviolet radiation

64. What is the ideal air exchange rate per hour in a standard operation theater to maintain sterility?

A. 5-10

B. 10-15

C. 15-20

D. 20-25

65. Which of the following actions compromises sterility in an operation theater?

A. Using sterile drapes

B. Opening sterile packs just before use

C. Tuming your back to a sterile field

D. Wearing a surgical maak

66) at least how much time we should rub our hands together in hand washing technique (scrubbing)?

a) 10 sec

b) 1min

c) 20sec

d) 3min

67) Donning of gloves means?

a) The act of putting on gloves.

b) The act of removing of gloves

c) The act of sterilization of gloves

d) The act of choosing gloves.

68) How many levels are their in disinfection?

a)4

b) 3

c) 2

d) 5

69) Which chemical is Commonly used in fumigation techniques?

a) Synthetic ether
b) Formaldehyde

c) Phenylephrine

d) Hydrochloric acid

70) Choose the correct statement.

a) Sterilization eliminates all microorganisms, including spores.

b) Disinfection reduces the number of harmful microorganisms on inanimate objects

c) A+B

d) None of these

71) Which sterilisation is most widely used and relatable?

A )heat

B) Gaseous

C Radiation

D Filteration

72) Most used gas for sterilisation

A nitrogen

BFormaldehyde

C chlorine

D Sulphur dioxide

73) Gamma rays for sterilisation are derived from

A Cobalt 65

B Cobalt 60

C cobalt 70

D Cobalt 80

74) Filteration process does not.... but the microorganism

A clean remove

B. remove, destroy

C destroy remove

D increase destroy

75) thickness of porous membrane in membrane filteration

A0.1mm

B0.01mm

C 0.2mm

D 0.02 mm

76. The optimum wavelength for uv sterilization is

а. 230 им

b. 260им

c. 240 им.

d. 280 им

77. Properties of ideal antiseptic are

a. Active in any PH

b. Fast action

c.wide spectrum activity

d. All of above

78. Disinfection eliminates all pathogenic microorganisms except

a. fungi.

b. Protozoa

c. Bacterial spores.

d. None

79. Radiation comes under_____ Method of sterilization

a. Physical.

b. Chemical

c. Gaseous.

d. a &c

80. Moist heat sterilization requires temperature______degree C

a. 121-134.

b. 180-200

c. 50-90.
d.250-300

81)काश्यप संहितेत धूप संख्या किती

सांगितली आहे??
A)25 B)40 c)50 D)35

82) धुपाचे 3 प्रकार कोणते आहेत??

A)धूप, अनुधूप, प्रतिधूप
B) धूप,अनुधूप, मध्यम धूप
C) A आणि B
D)वरील पैकी नाही.

83)......is the process of freeing an article whether it is a surface or a medium

from all microorganisms by removing or killing them

A) fertilization B)Sedimentation
C) sterilization
D) none of the above

84)which is the most common method used for surgical sterilization??

A) Autoclaving
B) Radiation
C)fumigation
D)all of the above

85)temperature used in Autoclaving is???

A)< 100
B)>100
C)=100
D)=90

86.धूपयोनी किती आहेत??

A)2
B)3
C)4
D)5

87)व्रनाची चिकित्सा करताना वापरण्यात येणारे शस्त्र हे

वापरण्यापूर्वी.......... करावे
A)क्षारकर्म
B)अग्नीकर्म
C) वरीलपैकी दोन्ही
D)सांगता येत नाही

88)there are how many methods of radiation??

A)2
B)5
C)7
D)none of these

89)in case of fumigation exposure period of..... Hours is required???

A)7to8
B)3 to6
C)1 to2
D)4to5

90)operation theatre consists of howany zones???

A)1
B)2
C)3
D)4
 ANSWER KEY
1. A 27. B) To kil all forms of 58. B
microbial Life, including 59. C
2. B
spores
60. D
3. D
28. C) Autoclaving 61. C
4. C
29. D) Eliminates most
62. B
5. D pathogens, but not all 63. C
microbialite 64. D
6. Sunlight
65. A
30. D) Sodium
7. A) Kill bacteria hypochlorite (bleach) 66. C
8. D) Pasteurization 67. A
31. A
68. B
9. B) प्रसार 32. C 69. B
10. A) जडत्विय आघात. 33. C 70. C
11. A. Haemorrhage
71. A)hest sterilisation
34. A
72. B) formaldehyde
12. - B. Secretory glands 35. C 73. B)Cobalt 60
13. B. Malignancy 36. C 74. C)destroy remove
14. Answer - A.
75. A)0.1 mm
37. A
Lymphoedema 76. B
38. B 77. D
15. Answer - B. Intrathecal
39. C
78. C
rupture of nerve fibres
with intact sheath 79. A
40. D
80. A
16. Ans: b) Protein
41. B
coagulation 81. B.40
42. B 82. . A. धूप, अनुधूप,
17. Ans: b) Boiling
43. B प्रतिधूप
18. Ans: b) Gamma radiation
44. B 83. C. Sterilization
19. Ans: c) Bacillus
stearothermophilus 45. C 84. A. Autoclaving
20. Ans: b)
85. B.>100
46. b)
86. A)2
Biological indicator
47. c) 87. B) अग्निकर्म
21. Answer. B. 121°C at 15
48. c) 88. A)2
psi for 15 minutes

22. Answer: B. Autoclaving 49. d) 89. B.3to6

50. d) 90. D.4
23. Answer: C. Ethylene
51. C
oxide gas
52. B
24. Answer: B. Fitration 53. C
25. Answer: C. Geobacillus 54. D
stearothermophilus 55. A
26. Answer: C. Geobacillus 56. C
stearothermophilus 57. A