NBSTSA MCQ 5

Question 1

Which sterilization method is most appropriate for heat-sensitive endoscopic equipment?

Accepted Answer

Ethylene oxide (EtO) gas

Answer

Steam autoclave at 270°F

Answer

Dry heat oven

Answer

Flash sterilization at 270°F

Question 2

What is the standard duration for a traditional surgical hand scrub using a brush-stroke method?

Accepted Answer

3–5 minutes

Answer

1 minute

Answer

10 minutes

Answer

30 seconds

Question 3

The 'right angle' (Mixter) clamp is most often used for which purpose?

Accepted Answer

Dissecting and passing suture or ties around structures

Answer

Clamping large blood vessels

Answer

Retracting soft tissue

Answer

Grasping bowel

Question 4

Which type of anesthesia involves injection of a local anesthetic into the subarachnoid space to produce regional blockade?

Accepted Answer

Spinal (intrathecal) anesthesia

Answer

Epidural anesthesia

Answer

Bier block

Answer

Nerve block

Question 5

A surgical technologist preparing a back table should arrange instruments in which manner?

Accepted Answer

In a systematic, logical order based on sequence of use

Answer

Randomly based on personal preference

Answer

By size from largest to smallest only

Answer

Grouped by manufacturer

Question 6

During a sterile procedure, a non-scrubbed team member needs to pass an item onto the sterile field. What is the correct method?

Accepted Answer

Drop or flip the item onto the sterile field without touching it

Answer

Reach across the sterile field quickly

Answer

Hand it directly to the scrubbed technologist's ungloved hand

Answer

Place it on the floor near the field

Question 7

Which condition describes the unintentional retention of a foreign object (e.g., sponge) in a surgical patient post-operatively?

Accepted Answer

Never event (retained surgical item)

Answer

Surgical site infection

Answer

Anastomotic leak

Answer

Wrong-site surgery