Sterile surgical procedures are carried out in a specialized area of a healthcare facility known as an Operation Theater (OT), also known as a surgical theater or operating room. It is designed and equipped to assist nurses, surgeons, and anesthesiologists in performing surgeries safely and effectively. The primary objective of the operation theater is to provide the patient and the surgical team with an infection-free, controlled, and clean environment.
OT Technician MCQs (1-50)
OT Technician MCQs (1-50)
🧼 Sterilization & Disinfection (1–10)
1. Best method for sterilizing surgical instruments:
A) Boiling
B) Autoclaving ✔
C) UV light
D) Alcohol
2. Autoclaving is done at:
A) 100°C
B) 121°C ✔
C) 150°C
D) 180°C
3. Sterilization by hot air oven is used for:
A) Rubber
B) Plastic
C) Glassware ✔
D) IV fluid
4. Chemical used in fumigation of OT:
A) Formaldehyde ✔
B) Ethanol
C) Chlorhexidine
D) Povidone iodine
5. Disinfectant used for skin before surgery:
A) Lysol
B) Iodine ✔
C) Bleach
D) Chlorine
6. Indicator used in autoclave:
A) Red ink
B) Bowie-Dick tape ✔
C) Thermometer
D) UV meter
7. Time for autoclave sterilization:
A) 15 min ✔
B) 30 sec
C) 5 min
D) 45 min
8. Fumigation is done:
A) After surgery ✔
B) Before surgery
C) During surgery
D) Before lunch
9. Sterile field is:
A) Contaminated surface
B) Sterilized area for instruments ✔
C) Nurse table
D) Floor of OT
10. Antiseptic used on wound:
A) Formalin
B) Savlon ✔
C) Alcohol
D) Acid
🧪 Infection Control & Asepsis (11–20)
11. Nosocomial infection means:
A) Genetic infection
B) Community infection
C) Hospital-acquired infection ✔
D) Blood infection
12. Universal precautions include:
A) Using gloves ✔
B) Sharing needles
C) Eating in OT
D) No mask
13. Most common route of infection:
A) Air
B) Blood
C) Hands ✔
D) Urine
14. Most effective method of hand hygiene:
A) Plain water
B) Alcohol rub ✔
C) Detergent
D) Lotion
15. Which PPE is used in OT?
A) Apron
B) Cap
C) Gloves
D) All of the above ✔
16. Sharps should be disposed in:
A) Red bag
B) Black bag
C) Puncture-proof container ✔
D) Yellow bag
17. Used needles should be:
A) Reused
B) Burnt
C) Bent
D) Discarded without recapping ✔
18. Most dangerous infection through needle stick:
A) HIV ✔
B) Hepatitis A
C) Dengue
D) Typhoid
19. Best protection against air-borne infections:
A) Surgical mask
B) N95 mask ✔
C) Cloth
D) Bandage
20. Biomedical waste yellow bag is used for:
A) Plastic
B) Syringe
C) Human anatomical waste ✔
D) Needles
🛠️ OT Instruments & Procedures (21–30)
21. Instrument to hold needle:
A) Kocher
B) Needle holder ✔
C) Artery forceps
D) Towel clip
22. Scissors used in surgery:
A) Dissecting scissors ✔
B) Kitchen scissors
C) Cutting scissors
D) Splinter scissors
23. Sterile gloves are worn to:
A) Prevent sweating
B) Prevent infection ✔
C) Protect dress
D) Remove instruments
24. Common suture material:
A) Nylon
B) Silk ✔
C) Paper
D) Thread
25. OT light is used to:
A) Provide cooling
B) Illuminate surgical area ✔
C) Warm the room
D) Sterilize air
26. Towel clip is used to:
A) Hold tissues
B) Hold drapes ✔
C) Cut threads
D) Remove gauze
27. Suction machine is used for:
A) Sterilizing
B) Removing fluid ✔
C) Giving oxygen
D) Disinfecting
28. Which is not a surgical instrument?
A) Scalpel
B) Forceps
C) Stethoscope ✔
D) Retractor
29. Artery forceps are used to:
A) Cut bone
B) Clamp blood vessels ✔
C) Wash wound
D) Hold dressing
30. Sponge holding forceps are:
A) Straight
B) Curved
C) Ring shaped ✔
D) Hook shaped
🩺 Anesthesia & Patient Care (31–40)
31. General anesthesia affects:
A) Only hand
B) Local area
C) Whole body ✔
D) Spinal cord
32. Local anesthesia is injected in:
A) Bone
B) Skin ✔
C) Stomach
D) Muscle
33. Common general anesthetic drug:
A) Paracetamol
B) Propofol ✔
C) Iodine
D) Diazepam
34. Laryngoscope is used to:
A) View lungs
B) Intubate trachea ✔
C) Check BP
D) Remove tooth
35. Common side effect of anesthesia:
A) Vomiting ✔
B) Sweating
C) Bleeding
D) Fever
36. Oxygen is given during:
A) Fasting
B) Fever
C) Surgery ✔
D) Vomiting
37. Pre-operative care includes:
A) Giving food
B) Explaining procedure ✔
C) Bathing patient
D) Asking address
38. Recovery room is used for:
A) Medicine storage
B) Post-operative care ✔
C) Staff rest
D) Changing
39. Consent form is signed:
A) After surgery
B) Before surgery ✔
C) By doctor only
D) After discharge
40. Pulse oximeter measures:
A) BP
B) Heart rate
C) Oxygen saturation ✔
D) Temperature
🧍 Anatomy, Ethics, & OT Protocols (41–50)
41. Human body has how many bones?
A) 200
B) 206 ✔
C) 210
D) 205
42. Largest organ in human body:
A) Liver
B) Skin ✔
C) Brain
D) Lung
43. Informed consent means:
A) Doctor's decision
B) Patient's agreement after understanding ✔
C) Verbal order
D) Staff signature
44. OT table is:
A) Clean
B) Movable ✔
C) Fixed
D) Foldable
45. Scrubbing before surgery is done for:
A) Clean clothes
B) Killing microbes ✔
C) Relaxation
D) Procedure demo
46. Which is a bone of skull?
A) Femur
B) Frontal ✔
C) Ulna
D) Radius
47. Spinal anesthesia is given in:
A) Arm
B) Chest
C) Back ✔
D) Head
48. Incision means:
A) Injection
B) Cut made during surgery ✔
C) Swelling
D) Bleeding
49. When sterile gloves touch unsterile item:
A) Continue
B) Wash
C) Replace gloves ✔
D) Dry it
50. OT technician should never:
A) Handle sterile item
B) Talk loudly ✔
C) Wear mask
D) Assist surgeon
The operation theater is a highly controlled area where strict protocols are followed to maintain aseptic conditions. Before entering the OT, all employees must wear sterile gowns, masks, gloves, and shoes. The risk of introducing microorganisms into the environment is reduced as a result of this. Advanced sterilizing methods like autoclaving and fumigation are regularly used to sterilize surgical instruments, equipment, and the room itself.
An operating table, modern surgical instruments, anesthesia machines, patient monitoring systems, surgical lights, suction machines, and other specialized equipment are typically present in an operation theater, depending on the type of surgery being performed. The layout of the operating room is intended to facilitate a smooth workflow, easy access to equipment, and proper medical staff movement during surgery. Examples of the various types of operation theaters that can be found depending on the type of surgery that is performed include gynecology OT, orthopedic OT, cardiac OT, neurosurgery OT, and general surgery OT. It's possible that the equipment and setup requirements for each kind of occupational therapy (OT) are tailored to the routine procedures carried out there.
Anesthesia drugs are given to the patient at a designated anesthesia workstation, and the patient's vital signs are closely monitored throughout the procedure. Anesthesia plays a crucial role in surgery. Air filtration and ventilation systems like HEPA filters and laminar airflow are used to keep the air clean and reduce airborne infections. All protocols are aimed at minimizing the risk of infection and ensuring the safety of both the patient and the surgical team. Essential aspects of occupational therapy management include proper documentation, waste disposal, and post-surgery cleaning of the theater. In summary, an operation theater is a vital unit of any healthcare facility where surgical interventions are performed under strict sterile conditions. It requires precision, coordination, and adherence to safety standards to ensure successful outcomes and patient recovery.
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