AORN Periop 101 Final Exam Test Bank
Questions And Well Graded Solutions
With Rationales Updated 2026 2027
Ace your AORN Periop 101 Final Exam with this comprehensive 2026/2027 test bank. Features
450+ real multiple-choice questions with verified answers and detailed evidence-based rationales.
Perfect for circulating and scrub nurses prepping for operating room certification. Deeply covers
high-yield modules: sterile technique, patient positioning, skin prep, anesthesia safety, and
infection control. Gain full confidence, understand the core concepts, and guarantee a passing
score on your first try!
Question 1: When opening a wrapped sterile instrument tray on a back table, which
flap should the perioperative nurse open first?
A) The side flap closest to the nurse's dominant hand
B) The side flap furthest from the nurse's dominant hand
C) The front flap closest to the nurse's body
D) The back flap furthest away from the nurse's body
D) The back flap furthest away from the nurse's body
Rationale: Opening the furthest flap first prevents the unsterile arm from reaching
across an open, sterile field later in the sequence, minimizing airborne or clothing
contamination.
Question 2: Which method is correct for removing hair from a surgical site when it
interferes with the procedure?
A) Shaving with a razor on the morning of surgery
B) Clipping with an electric clipper immediately before surgery
C) Applying a chemical depilatory cream 24 hours prior
D) Shaving with a safety razor the night before surgery
B) Clipping with an electric clipper immediately before surgery
Rationale: Razors create microscopic skin nicks that harbor bacteria and increase
surgical site infection (SSI) risks. Clipping right before surgery is the proven
evidence-based standard.
1|Page
,Question 3: A sterile wrapped package falls onto the operating room floor. What is
the immediate correct action?
A) Inspect the outer wrapper; if dry and intact, use the item
B) Wipe the outside with a disinfectant wipe before opening
C) Discard the item or send it for reprocessing immediately
D) Open it immediately to see if the contents shifted
C) Discard the item or send it for reprocessing immediately
Rationale: The floor is always considered a heavily contaminated environment. A
dropped item experiences a "force" event that can force air and contaminants
through the wrapper, rendering it unsterile.
Question 4: According to the Universal Protocol, when must the surgical time-out be
conducted?
A) Immediately upon the patient's arrival in the pre-op holding area
B) Right before the administration of regional or general anesthesia
C) Immediately before making the skin incision
D) Right after the surgical drapes are applied by the scrub person
C) Immediately before making the skin incision
Rationale: The time-out is the final safety checkpoint performed immediately before
the skin incision or start of the procedure, requiring the active verbal agreement of
the entire surgical team.
Question 5: A patient is placed in the lithotomy position for a cystoscopy. Which
nerve is at the highest risk for compression injury against the stirrup bars?
A) Common peroneal nerve
B) Sciatic nerve
C) Obturator nerve
D) Saphenous nerve
A) Common peroneal nerve
Rationale: The common peroneal nerve winds around the neck of the fibula. In
lithotomy position, inadequate padding between the lateral aspect of the knee and
the metal stirrup support leads to nerve compression and foot drop.
Question 6: During a procedure, the patient exhibits unexplained tachycardia, a
steep rise in end-tidal carbon dioxide (EtCO2), and jaw muscle rigidity. What crisis
2|Page
,should the nurse suspect?
A) Severe anaphylactic reaction
B) Acute myocardial infarction
C) Local Anesthetic Systemic Toxicity (LAST)
D) Malignant Hyperthermia (MH)
D) Malignant Hyperthermia (MH)
Rationale: Hypercarbia (rising EtCO2), masseter muscle rigidity, and tachycardia are
the earliest and most specific signs of Malignant Hyperthermia, a life-threatening
hypermetabolic crisis triggered by volatile anesthetics or succinylcholine.
Question 7: What is the primary operational purpose of running a Bowie-Dick test in
a steam sterilizer?
A) To confirm the complete destruction of Geobacillus stearothermophilus spores
B) To check for air leaks and evaluate air removal in dynamic-air-removal sterilizers
C) To verify that the maximum temperature reached 270°F (132°C)
D) To measure the concentration of moisture inside the chamber lines
B) To check for air leaks and evaluate air removal in dynamic-air-removal
sterilizers
Rationale: The Bowie-Dick test is a diagnostic chemical indicator used daily to
ensure that the vacuum system successfully removes air from the chamber, allowing
steam to fully penetrate the load.
Question 8: What is the fundamental directive regarding the anatomical direction of
surgical skin preparation?
A) Move from the dirty periphery inward to the cleanest incision site
B) Work in a vertical up-and-down motion across the entire extremity
C) Start at the incision site and progress outward to the periphery
D) Use a crisscross grid pattern starting from the top of the drape line
C) Start at the incision site and progress outward to the periphery
Rationale: Skin preparation must always progress from the cleanest area (the
intended incision site) out toward the dirtier area (the periphery) to prevent dragging
transient bacteria back onto the incision field.
Question 9: What class of disinfectant is mandatory for routine environmental
cleaning of non-critical items (like OR chairs and equipment displays) between
3|Page
, cases?
A) High-level disinfectant (HLD)
B) Liquid chemical sterilant
C) EPA-registered hospital-level low- to intermediate-level disinfectant
D) Isopropyl alcohol 70% solution mixed with sterile water only
C) EPA-registered hospital-level low- to intermediate-level disinfectant
Rationale: Non-critical items only touch intact skin. They do not require high-level
disinfection or sterilization, but they must be cleaned between cases using an EPA-
registered hospital disinfectant.
Question 10: Which of the following parameters defines the modern standard of
"event-related sterility"?
A) Wrapped items are safe to use for a maximum of 30 calendar days
B) Sterility is maintained indefinitely unless an event compromises package integrity
C) Trays must be routinely re-sterilized every 6 months regardless of appearance
D) Contamination is strictly determined by changes in the indicator tape color
B) Sterility is maintained indefinitely unless an event compromises package
integrity
Rationale: Event-related sterility dictates that a commercially or hospital-processed
sterile package remains sterile unless it suffers an event like tearing, moisture
puncture, or extreme crushing.
Question 11: When confirming patient identity before entering the semi-restricted or
restricted zones, what actions are required?
A) Ask the patient to nod if their name is "John Doe" and read the room chart
B) Check the surgical schedule and confirm the name with the transporter
C) Verify two independent patient identifiers on the ID band while asking the patient
to state them
D) Look at the bed label and cross-reference it with the anesthesia pre-op sheet
C) Verify two independent patient identifiers on the ID band while asking the
patient to state them
Rationale: Joint Commission and AORN guidelines require actively asking the
patient to state two identifiers (e.g., name, date of birth) and matching them directly
against the patient's identification band.
4|Page
Questions And Well Graded Solutions
With Rationales Updated 2026 2027
Ace your AORN Periop 101 Final Exam with this comprehensive 2026/2027 test bank. Features
450+ real multiple-choice questions with verified answers and detailed evidence-based rationales.
Perfect for circulating and scrub nurses prepping for operating room certification. Deeply covers
high-yield modules: sterile technique, patient positioning, skin prep, anesthesia safety, and
infection control. Gain full confidence, understand the core concepts, and guarantee a passing
score on your first try!
Question 1: When opening a wrapped sterile instrument tray on a back table, which
flap should the perioperative nurse open first?
A) The side flap closest to the nurse's dominant hand
B) The side flap furthest from the nurse's dominant hand
C) The front flap closest to the nurse's body
D) The back flap furthest away from the nurse's body
D) The back flap furthest away from the nurse's body
Rationale: Opening the furthest flap first prevents the unsterile arm from reaching
across an open, sterile field later in the sequence, minimizing airborne or clothing
contamination.
Question 2: Which method is correct for removing hair from a surgical site when it
interferes with the procedure?
A) Shaving with a razor on the morning of surgery
B) Clipping with an electric clipper immediately before surgery
C) Applying a chemical depilatory cream 24 hours prior
D) Shaving with a safety razor the night before surgery
B) Clipping with an electric clipper immediately before surgery
Rationale: Razors create microscopic skin nicks that harbor bacteria and increase
surgical site infection (SSI) risks. Clipping right before surgery is the proven
evidence-based standard.
1|Page
,Question 3: A sterile wrapped package falls onto the operating room floor. What is
the immediate correct action?
A) Inspect the outer wrapper; if dry and intact, use the item
B) Wipe the outside with a disinfectant wipe before opening
C) Discard the item or send it for reprocessing immediately
D) Open it immediately to see if the contents shifted
C) Discard the item or send it for reprocessing immediately
Rationale: The floor is always considered a heavily contaminated environment. A
dropped item experiences a "force" event that can force air and contaminants
through the wrapper, rendering it unsterile.
Question 4: According to the Universal Protocol, when must the surgical time-out be
conducted?
A) Immediately upon the patient's arrival in the pre-op holding area
B) Right before the administration of regional or general anesthesia
C) Immediately before making the skin incision
D) Right after the surgical drapes are applied by the scrub person
C) Immediately before making the skin incision
Rationale: The time-out is the final safety checkpoint performed immediately before
the skin incision or start of the procedure, requiring the active verbal agreement of
the entire surgical team.
Question 5: A patient is placed in the lithotomy position for a cystoscopy. Which
nerve is at the highest risk for compression injury against the stirrup bars?
A) Common peroneal nerve
B) Sciatic nerve
C) Obturator nerve
D) Saphenous nerve
A) Common peroneal nerve
Rationale: The common peroneal nerve winds around the neck of the fibula. In
lithotomy position, inadequate padding between the lateral aspect of the knee and
the metal stirrup support leads to nerve compression and foot drop.
Question 6: During a procedure, the patient exhibits unexplained tachycardia, a
steep rise in end-tidal carbon dioxide (EtCO2), and jaw muscle rigidity. What crisis
2|Page
,should the nurse suspect?
A) Severe anaphylactic reaction
B) Acute myocardial infarction
C) Local Anesthetic Systemic Toxicity (LAST)
D) Malignant Hyperthermia (MH)
D) Malignant Hyperthermia (MH)
Rationale: Hypercarbia (rising EtCO2), masseter muscle rigidity, and tachycardia are
the earliest and most specific signs of Malignant Hyperthermia, a life-threatening
hypermetabolic crisis triggered by volatile anesthetics or succinylcholine.
Question 7: What is the primary operational purpose of running a Bowie-Dick test in
a steam sterilizer?
A) To confirm the complete destruction of Geobacillus stearothermophilus spores
B) To check for air leaks and evaluate air removal in dynamic-air-removal sterilizers
C) To verify that the maximum temperature reached 270°F (132°C)
D) To measure the concentration of moisture inside the chamber lines
B) To check for air leaks and evaluate air removal in dynamic-air-removal
sterilizers
Rationale: The Bowie-Dick test is a diagnostic chemical indicator used daily to
ensure that the vacuum system successfully removes air from the chamber, allowing
steam to fully penetrate the load.
Question 8: What is the fundamental directive regarding the anatomical direction of
surgical skin preparation?
A) Move from the dirty periphery inward to the cleanest incision site
B) Work in a vertical up-and-down motion across the entire extremity
C) Start at the incision site and progress outward to the periphery
D) Use a crisscross grid pattern starting from the top of the drape line
C) Start at the incision site and progress outward to the periphery
Rationale: Skin preparation must always progress from the cleanest area (the
intended incision site) out toward the dirtier area (the periphery) to prevent dragging
transient bacteria back onto the incision field.
Question 9: What class of disinfectant is mandatory for routine environmental
cleaning of non-critical items (like OR chairs and equipment displays) between
3|Page
, cases?
A) High-level disinfectant (HLD)
B) Liquid chemical sterilant
C) EPA-registered hospital-level low- to intermediate-level disinfectant
D) Isopropyl alcohol 70% solution mixed with sterile water only
C) EPA-registered hospital-level low- to intermediate-level disinfectant
Rationale: Non-critical items only touch intact skin. They do not require high-level
disinfection or sterilization, but they must be cleaned between cases using an EPA-
registered hospital disinfectant.
Question 10: Which of the following parameters defines the modern standard of
"event-related sterility"?
A) Wrapped items are safe to use for a maximum of 30 calendar days
B) Sterility is maintained indefinitely unless an event compromises package integrity
C) Trays must be routinely re-sterilized every 6 months regardless of appearance
D) Contamination is strictly determined by changes in the indicator tape color
B) Sterility is maintained indefinitely unless an event compromises package
integrity
Rationale: Event-related sterility dictates that a commercially or hospital-processed
sterile package remains sterile unless it suffers an event like tearing, moisture
puncture, or extreme crushing.
Question 11: When confirming patient identity before entering the semi-restricted or
restricted zones, what actions are required?
A) Ask the patient to nod if their name is "John Doe" and read the room chart
B) Check the surgical schedule and confirm the name with the transporter
C) Verify two independent patient identifiers on the ID band while asking the patient
to state them
D) Look at the bed label and cross-reference it with the anesthesia pre-op sheet
C) Verify two independent patient identifiers on the ID band while asking the
patient to state them
Rationale: Joint Commission and AORN guidelines require actively asking the
patient to state two identifiers (e.g., name, date of birth) and matching them directly
against the patient's identification band.
4|Page
