AORN Periop 101 Final Exam Questions
and Correct Answers|| GRADED A+||
LATEST UPDATE 2026
Mechanical friction -CORRECTANSWER Does not remove resident bacteria effectively.
Resident bacteria -CORRECTANSWER Bacteria that normally inhabit the skin.
Antimicrobials -CORRECTANSWER Agents that inhibit microbial growth.
Chemical burns -CORRECTANSWER Injury from prolonged antiseptic contact.
Thermal burns -CORRECTANSWER Injury caused by heat from antiseptics.
Povidone-iodine -CORRECTANSWER Antiseptic that disrupts cell membranes.
Preoperative skin prep -CORRECTANSWER Cleans skin to reduce microbial load.
Hair removal -CORRECTANSWER Not documented if it doesn't interfere with surgery.
Clean to dirty prep -CORRECTANSWER Start cleaning at incision site, move outward.
,Common resident bacteria -CORRECTANSWER Includes Staphylococcus and
diphtheroid bacilli.
Skin prep documentation -CORRECTANSWER Includes allergies and prep performer's
name.
Surgical wound infections -CORRECTANSWER Lead to decreased hospital income.
Antimicrobial contact time -CORRECTANSWER Effective after time specified by
manufacturers.
Prep extremity positioning -CORRECTANSWER Prevents solution from running toward
incision.
Surgical prep objectives -CORRECTANSWER Remove dirt, oil, microbes; prevent
regrowth.
Skin sterilization -CORRECTANSWER Not achievable through skin prep alone.
Intraoperative time -CORRECTANSWER Duration of surgery affected by infections.
Depilatory use -CORRECTANSWER Not always required for hair removal.
,Scrubbing nails -CORRECTANSWER Important before formal skin preparation.
AORN guidelines -CORRECTANSWER Provide standards for patient skin preparation.
Surgical scrub solutions -CORRECTANSWER Used before applying surgical paint.
Injuries from equipment malfunction -CORRECTANSWER Can occur during prolonged
antiseptic use.
Stomas -CORRECTANSWER Surgical openings for waste elimination.
Chlorhexidine gluconate -CORRECTANSWER Neurotoxic topical antimicrobial agent.
Iodophor with alcohol -CORRECTANSWER Provides rapid microbial reduction on skin.
Vaginal prep -CORRECTANSWER The vagina should not be prepped first.
Hand hygiene -CORRECTANSWER Performed after touching surfaces or linens.
Alcohol-based rub -CORRECTANSWER Used when hands are not visibly soiled.
Hand hygiene duration -CORRECTANSWER Minimum 15 seconds with soap and
water.
, Alcohol-based hand rub amount -CORRECTANSWER Use manufacturer's
recommended amount.
Fingernail length -CORRECTANSWER Maximum length is 2 mm (0.08 inch).
Healthy skin measures -CORRECTANSWER Dry hands completely before wearing
gloves.
Jewelry policy -CORRECTANSWER No jewelry is acceptable in patient care areas.
Surgical hand antisepsis -CORRECTANSWER Primary defense against pathogen
transmission.
Sterile gown front -CORRECTANSWER Sterile from chest to level of sterile field.
Gloving method -CORRECTANSWER Assisted gloving with cuffs at fingertips.
Surgical glove change frequency -CORRECTANSWER Change if technique breaks or
glove tears.
Microbial counts -CORRECTANSWER Reduction in microbial counts is essential.
and Correct Answers|| GRADED A+||
LATEST UPDATE 2026
Mechanical friction -CORRECTANSWER Does not remove resident bacteria effectively.
Resident bacteria -CORRECTANSWER Bacteria that normally inhabit the skin.
Antimicrobials -CORRECTANSWER Agents that inhibit microbial growth.
Chemical burns -CORRECTANSWER Injury from prolonged antiseptic contact.
Thermal burns -CORRECTANSWER Injury caused by heat from antiseptics.
Povidone-iodine -CORRECTANSWER Antiseptic that disrupts cell membranes.
Preoperative skin prep -CORRECTANSWER Cleans skin to reduce microbial load.
Hair removal -CORRECTANSWER Not documented if it doesn't interfere with surgery.
Clean to dirty prep -CORRECTANSWER Start cleaning at incision site, move outward.
,Common resident bacteria -CORRECTANSWER Includes Staphylococcus and
diphtheroid bacilli.
Skin prep documentation -CORRECTANSWER Includes allergies and prep performer's
name.
Surgical wound infections -CORRECTANSWER Lead to decreased hospital income.
Antimicrobial contact time -CORRECTANSWER Effective after time specified by
manufacturers.
Prep extremity positioning -CORRECTANSWER Prevents solution from running toward
incision.
Surgical prep objectives -CORRECTANSWER Remove dirt, oil, microbes; prevent
regrowth.
Skin sterilization -CORRECTANSWER Not achievable through skin prep alone.
Intraoperative time -CORRECTANSWER Duration of surgery affected by infections.
Depilatory use -CORRECTANSWER Not always required for hair removal.
,Scrubbing nails -CORRECTANSWER Important before formal skin preparation.
AORN guidelines -CORRECTANSWER Provide standards for patient skin preparation.
Surgical scrub solutions -CORRECTANSWER Used before applying surgical paint.
Injuries from equipment malfunction -CORRECTANSWER Can occur during prolonged
antiseptic use.
Stomas -CORRECTANSWER Surgical openings for waste elimination.
Chlorhexidine gluconate -CORRECTANSWER Neurotoxic topical antimicrobial agent.
Iodophor with alcohol -CORRECTANSWER Provides rapid microbial reduction on skin.
Vaginal prep -CORRECTANSWER The vagina should not be prepped first.
Hand hygiene -CORRECTANSWER Performed after touching surfaces or linens.
Alcohol-based rub -CORRECTANSWER Used when hands are not visibly soiled.
Hand hygiene duration -CORRECTANSWER Minimum 15 seconds with soap and
water.
, Alcohol-based hand rub amount -CORRECTANSWER Use manufacturer's
recommended amount.
Fingernail length -CORRECTANSWER Maximum length is 2 mm (0.08 inch).
Healthy skin measures -CORRECTANSWER Dry hands completely before wearing
gloves.
Jewelry policy -CORRECTANSWER No jewelry is acceptable in patient care areas.
Surgical hand antisepsis -CORRECTANSWER Primary defense against pathogen
transmission.
Sterile gown front -CORRECTANSWER Sterile from chest to level of sterile field.
Gloving method -CORRECTANSWER Assisted gloving with cuffs at fingertips.
Surgical glove change frequency -CORRECTANSWER Change if technique breaks or
glove tears.
Microbial counts -CORRECTANSWER Reduction in microbial counts is essential.
