OROO 3.5 Instrument Preparation

Which instrument is essential for making an incision in the tympanic membrane during Myringotomy?

•  Freer elevator

• Myringotome

• Mastoid retractor

• Microdebrider

How should delicate microsurgical instruments be handled during setup?

• Placed in metal basins

• Stacked together to save space

• Laid side by side on a rolled towel

• Left in sterilization racks until needed

Why should metal-to-metal contact be minimized during setup?

• It increases sterilization efficiency

• It may cause instrument corrosion or damage

• It helps identify faulty instruments

• It improves handling speed

During inspection, which defect requires the instrument to be sent for repair?

• Minor discoloration

• Slightly dull scissor tips

• Misaligned teeth or serrations

• Stiff box locks

Which of the following should be avoided during instrument passing?

• Passing curved instruments in line with surgeon’s hand

• Using hand signals to anticipate needs

• Placing fingers in the instrument rings

• Passing instruments by one at a time

What is the recommended solution for wiping blood off instruments during surgery?

• Normal saline

• Sterile distilled water

• Hydrogen peroxide

• Alcohol swab

Which of the following is a correct action when dismantling the instrument table?

• Keep unused instruments for next surgery

• Stack instruments by size for convenience

• Treat all instruments as contaminated

• Wash instruments with saline solution

The mastoidectomy drill is primarily used to:

• Remove soft tissue around the ear

• Excise nasal polyps

• Remove diseased mastoid bone

• Visualize vocal cords

During Functional Endoscopic Sinus Surgery (FESS), the microdebrider is used to:

• Visualize the vocal cords

• Remove nasal polyps efficiently

• Make tympanic incisions

• Elevate mucoperiosteal flaps

The CO₂ laser in laryngeal surgery is used for:

• Bone drilling

• Tissue vaporization
  and precise cutting

• Polyp removal in nasal cavity

• Retracting the vocal cords