Exam Questions with Correct Answers
1. Which is not considered part of a sterile field?
Gloves of sterile person who has folded his arms
2. The presence of only one living microorganism means an object is:
Contaminated
3. Which statement concerning masks is not true?
Ties may be tied crisscross on top of head
In draping a table, the scrub nurse drapes from _____ to _____, protecting her gloves _____.
Front, back, by cuffing drape edge
The purpose of the hand scrub by the team is to render their skin:
Surgically Clean
After steam sterilization, which items should not be considered sterile?
Suction tips attached to tubing, Asepto syringes with bulbs attached, Cautery tips bound with
rubber bands
7. Because there is less chance contamination, the preferred method of gloving is _____. For
changing only a glove during a case, this method _______ be used.
Closed, cannot
,8. Which directive for loading a pressure steam sterilizer is incorrect
Loading liquids first to prevent spillage on packs
10. If the prep site contains a colostomy or draining sinus which cannot be sealed off, it should
be scrubbed:
Last with sponges used once and discarded
11. Operating room floors should be flooded with _____ and _____ at the end of each ____.
Detergent germicide, wet-vacuumed, case
What are some potential sources for surgical infection:
Circulating air, patient's bronchial tree, scrub teams hair, patients circulating blood, instruments,
patients and scrub teams skin
Which statement regarding the use of masks is false?
Cross strings behind the head for better aeration
Strike-through
The soaking of moisture through unsterile layers to sterile layers or vice versa
Which statement concerning the use of boiling water as a sterilizing agent is false?
Minimum boiling period is 10 minutes
The OR ventilating system ensures controlled air supply: ____ air exchanges per hour are
recommended for infection control and a ___ percent humidity is mandatory to suppress
static electricity
,25, 50
Which draping principle is false?
Drape far side of unsterile table first
Which are not essential considerations in the design of an OR suite:
Windows, top floor locations, central corridor
8. Which statement regarding sterile items is false?
Covered sterile set ups may be used later in the day
9. When is the open glove technique preferred over the closed glove technique?
To change a glove during a procedure
The first step in the decontamination process of instruments after a procedure should be:
Mechanical decontamination washer-sterilizer
11. Which antiseptic solutions are effective against both gram-negative and gram-positive
microorganisms
Iodophors, Chlorhexidine gluconate
Which statement regarding sterile technique is false
Paper or peel-open packages are torn to expose contents
13. Which is (are) used to check the effectiveness of sterilizers:
Biological spore strip
, Which statement concerning ethylene oxide sterilization is false?
Polyvinyl chloride wrappers are recommended
Predisposing factors that substantially increases the risk of infection are:
Duration of operation, invasive monitoring techniques, indiscriminate use of antibiotics,
gastrointestinal surgery, prosthetic devices.
An area of a gown considered sterile is ( are ) the ____ while the ____ is considered unsterile.
Sleeves, neck
Which is the major source of contamination in the operating room?
Personnel
Which is (are) not effective method (s) of disinfection in an operating room:
Mercurial compounds, Fogging
Which statement concerning pathogenic Streptococci species of microorganism is false?
They are gram-negative, nonmotile organisms
The preferred method of sterilization for heat-sensitive items and anesthesia equipment
when EO sterilization is impractical is soaking in:
Activated glutaraldehyde
Which disadvantage in use of muslin wrapper material for sterile packs and items?
It must be laundered to rehydrate