NWSA TTT-1 Exam – Comprehensive Practice Test//2026 update
An osteotome is
(A) used to cut or shave bone.
(B) a retractor.
(C) a hemostatic forceps.
(D) none of the above. -Correct Answer A
When returning loaner items to the vendor
(A) all items should be completely assembled, tested and sterile.
(B) trays should be returned immediately after point-of-use cleaning.(C) all items should be cleaned
and decontaminated.
(D) trays should be terminally sterilized before returning them to the vendor. -Correct Answer C
The first goal of creating an instrument pack is
(A) obtain the proper packaging container for the pack.
(B) decide on the order of instrument placement.
(C) create a pack that meets user needs.
(D) create a pack that makes the physician happy. -Correct Answer C
Positive air flow means when the door is opened, air flows out instead of into the area.
(A) True
(B) False -Correct Answer A
Molds, mushrooms and yeast are common
(A) gram-negative organisms.
,(B) fungi.
(C) gram-positive organisms.
(D) prions. -Correct Answer B
The surgery of the ear that reconstructs the eardrum so sound waves can be sent to the middle ear
(A) tympanoplasty.
(B) stapedectomy.
(C) auditory implantation.
(D) myringotomy. -Correct Answer A
Dark areas on the lens of an endoscope are?
(A) Debris
(B) Light-emitting diode optics
(C) Light-emitting diode bulbs
(D) Damaged light fibers -Correct Answer D
Soiled instruments and other items are received in the (blank) area of the Central Service
department.
(A) preparation
(B) packaging
(C) decontamination
(D) sterilization -Correct Answer C
Which of the following statements about the use of mechanical washers is NOT true?
(A) Multi-level trays should be separated
(B) Trays with lids should be opened
(C) Instruments should be disassembled and opened
,(D) All items should be washed on the same cycle -Correct Answer D
Agency which may intervene in a matter of worker protection even if there are no specific
regulations covering the situation.
(A) Occupational Safety and Health Administration
(B) Environmental Protection Agency
(C) U.S. Food and Drug Administration
(D) Association of periOperative Registered Nurses -Correct Answer A
Laser finished instruments are coated with durable protective finish that cannot be chipped or
scratched.
(A) True
(B) False -Correct Answer B
Healthcare-associated infections are
(A) most likely to occur during a surgical procedure.
(B) caused by drug resistant organisms.
(C) those without known cures.
(D) those which occur in the course of being treated in a healthcare facility. -Correct Answer D
Viruses are larger than bacteria.
(A) True
(B) False -Correct Answer B
The system that gives the body shape and support
(A) muscular system.
, (B) nervous system.
(C) skeletal system.
(D) circulatory system. -Correct Answer C
Electronic testing of laparoscopic insulation should be done
(A) in the decontamination area prior to cleaning.
(B) in the clean assembly area prior to set assembly.
(C) at the factory or onsite repair unit.
(D) in the operating room at the end of the procedure. -Correct Answer B
Count sheets
(A) describe each instrument in detail.
(B) are used only for Operating Room trays and large procedure packs.
(C) provide a detailed list of tray contents.
(D) all the above. -Correct Answer C
Central Service technicians must wear special attire referred to as (blank) to minimize their exposure
to bloodborne pathogens and other contaminants.
(A) PPE
(B) OSHA
(C) TPA
(D) CDC -Correct Answer A
The temperature in the decontamination area should be between
(A) 55 to 60 degrees Fahrenheit
(B) 58 to 62 degrees Fahrenheit
(C) 60 to 65 degrees Fahrenheit
An osteotome is
(A) used to cut or shave bone.
(B) a retractor.
(C) a hemostatic forceps.
(D) none of the above. -Correct Answer A
When returning loaner items to the vendor
(A) all items should be completely assembled, tested and sterile.
(B) trays should be returned immediately after point-of-use cleaning.(C) all items should be cleaned
and decontaminated.
(D) trays should be terminally sterilized before returning them to the vendor. -Correct Answer C
The first goal of creating an instrument pack is
(A) obtain the proper packaging container for the pack.
(B) decide on the order of instrument placement.
(C) create a pack that meets user needs.
(D) create a pack that makes the physician happy. -Correct Answer C
Positive air flow means when the door is opened, air flows out instead of into the area.
(A) True
(B) False -Correct Answer A
Molds, mushrooms and yeast are common
(A) gram-negative organisms.
,(B) fungi.
(C) gram-positive organisms.
(D) prions. -Correct Answer B
The surgery of the ear that reconstructs the eardrum so sound waves can be sent to the middle ear
(A) tympanoplasty.
(B) stapedectomy.
(C) auditory implantation.
(D) myringotomy. -Correct Answer A
Dark areas on the lens of an endoscope are?
(A) Debris
(B) Light-emitting diode optics
(C) Light-emitting diode bulbs
(D) Damaged light fibers -Correct Answer D
Soiled instruments and other items are received in the (blank) area of the Central Service
department.
(A) preparation
(B) packaging
(C) decontamination
(D) sterilization -Correct Answer C
Which of the following statements about the use of mechanical washers is NOT true?
(A) Multi-level trays should be separated
(B) Trays with lids should be opened
(C) Instruments should be disassembled and opened
,(D) All items should be washed on the same cycle -Correct Answer D
Agency which may intervene in a matter of worker protection even if there are no specific
regulations covering the situation.
(A) Occupational Safety and Health Administration
(B) Environmental Protection Agency
(C) U.S. Food and Drug Administration
(D) Association of periOperative Registered Nurses -Correct Answer A
Laser finished instruments are coated with durable protective finish that cannot be chipped or
scratched.
(A) True
(B) False -Correct Answer B
Healthcare-associated infections are
(A) most likely to occur during a surgical procedure.
(B) caused by drug resistant organisms.
(C) those without known cures.
(D) those which occur in the course of being treated in a healthcare facility. -Correct Answer D
Viruses are larger than bacteria.
(A) True
(B) False -Correct Answer B
The system that gives the body shape and support
(A) muscular system.
, (B) nervous system.
(C) skeletal system.
(D) circulatory system. -Correct Answer C
Electronic testing of laparoscopic insulation should be done
(A) in the decontamination area prior to cleaning.
(B) in the clean assembly area prior to set assembly.
(C) at the factory or onsite repair unit.
(D) in the operating room at the end of the procedure. -Correct Answer B
Count sheets
(A) describe each instrument in detail.
(B) are used only for Operating Room trays and large procedure packs.
(C) provide a detailed list of tray contents.
(D) all the above. -Correct Answer C
Central Service technicians must wear special attire referred to as (blank) to minimize their exposure
to bloodborne pathogens and other contaminants.
(A) PPE
(B) OSHA
(C) TPA
(D) CDC -Correct Answer A
The temperature in the decontamination area should be between
(A) 55 to 60 degrees Fahrenheit
(B) 58 to 62 degrees Fahrenheit
(C) 60 to 65 degrees Fahrenheit
