NBSTSA Certification Exam 2020 C Test
Questions And Answers Verified 100% Correct
When is the best time to schedule a dirty case?
a. At any time
b. As the first case
c. At the end of the day
d. After lunch time --ANSWER--> ANS: C
Rationale: Most facilities will schedule a dirty case as the last procedure of the day in
an OR so that a thorough cleaning process will occur.
Which position is used for a breast augmentation?
a. Lithotomy
b. Trendelenburg
c. Kraske
d. Dorsal recumbent --ANSWER--> ANS: D
Rationale: The dorsal recumbent (supine position) or Beach chair (Fowler) position is
used to provide access to the chest/breast area).
Which of the following is a monofilament suture?
a. Monocryl
b. Mersilene
c. Silk
d. Vicryl --ANSWER--> ANS: A
Rationale: Monocyl (polyglicaprone 25 is a monofilament suture.)
Which instrument would be used to hold a bone in place during an orthopedic
procedure?
a. Balfour
b. Babcock
c. Lowman
d. Heaney --ANSWER--> ANS: C
Rationale: The Lowman is a bone-holding forceps used to hold bones in place.
Which of the following destroys bacterial spores?
,a. Fungicide
b. Sterilant
c. Antiseptic
d. Germicide --ANSWER--> ANS: B
Rationale: Sterilization is a process by which all microorganisms, including bacterial
spores, are
destroyed.
Which position will the patient be in if a Wilson frame is in use?
a. Lithotomy
b. Kraske
c. Lateral
d. Prone --ANSWER--> ANS: D
Rationale: The Wilson frame is used for this position because the patient is lying on his
or her abdomen.
Which of the following is a chemical high level disinfectant?
a. Sodium hypochlorite
b. Alcohol
c. Glutaraldehyde (2%)
d. Phenol --ANSWER--> ANS: C
Rationale: Glutaraldehyde is a high level disinfectant used on critical items such as
endoscopes, respiratory equipment and anesthesia equipment items that are
immersable. Gluteraldehyde is sporicidal, bactericidal and viricidal.
Which cleaning process includes a lubrication "milking" phase?
a. Autoclave
b. Ultrasonic washer
c. Washer sterilizer
d. Steam sterilizer --ANSWER--> ANS: C
Rationale: Many washer sterilizers are programed for a cycle where instrument milk is
added to the rinse
cycle of many washer sterilizers to lubricate the instruments. Instruments can also be
dipped by hand to lubricate the working elements of stainless steel instruments.
When placing an instrument in a plastic-paper peel pouch why should air be evacuated
from the pouch before it is sealed?
a. The package could rupture during sterilization.
b. Air in the peel pouch is necessary for sterilization to occur
,c. Air in the peel pouch is essential for the instrument
d. No precautions are necessary when peel pouching --ANSWER--> ANS: A Rationale:
When placing an instrument in a plastic-paper peel pouch, air should be evacuated
from the pouch before it is sealed to prevent the package rupturing in the sterilizer.
Which two factors contribute to the killing of microbes?
a. Time and heat
b. Moisture and heat
c. Pressure and time
d. Temperature and time --ANSWER--> ANS: B
Rationale: Microbes are killed by a combination of moisture and heat.
Which bacteria is used for biological monitoring for steam sterilizers?
a. Bacillus
subtilis
b. Staphyllococcus
aureus
c. Staphylococcus
epidermidis
d. Geobacillus stearothermophilus --
ANSWER--> ANS: D
Rationale: Geobacillus stearothermophilus is the bacteria
used for biological monitoring
of steam
sterilization.
As PMMA (bone cement) hardens, it can cause:
a. embolism .
b. pulmonary hypertension.
c. vasoconstriction.
d. cardiac arrhythmias. --ANSWER--> ANS: A
Rationale: As PMMA (bone cement) hardens within long bone, it can expand, causing
intramedullary pressure which can force marrow tissue into the circulation, resulting
in embolism.
What solution should the ST use to clean instruments at the point of use?
a. Saline
b. Sterile water
c. Cidex
, d. Sodium hypochlorite --ANSWER--> ANS: B
Rationale: Sterile water should be used because it will not corrode or cause damage to
the instruments.
When a case cart full of dirty instruments arrives in the decontamination area, what is
the first step that should be taken?
a. Place in ultrasonic washer
b. Place in washer-sterilizer
c. Sorting instruments
d. Soaking --ANSWER--> ANS: C
Rationale: After arriving in the decontamination area from the procedure, the
instruments are sorted.
Instruments must be disassembled into parts and separated by weight and complexity
before decontamination.
How often should a Bowie-Dick test be run?
a. With each load
b. Every other load
c. Weekly
d. Daily --ANSWER--> ANS: D
Rationale: The Bowie-Dick test is a test to monitor the efficiency of the high-vac steam
sterilizer called
the daily air removal test (DART) performed using a Bowie-Dick monitor to check for air
entrapment of a prevacuum autoclave and must be run daily, preferably as the first run
of the day.
An ST is setting up the back table and has picked up the basket of instruments to place
on the back table. The circulator notices that there is water at the bottom of the tray that
contained the basket of
instruments and notified the ST. What should the STSR do?
a. Request another tray and a change of gloves
b. Request another tray and rescrub, gown, and glove
c. Flash that tray of instruments
d. Keep the instruments and regown and glove --ANSWER--> ANS: A
Rationale: The instruments are considered contaminated because the tray is wet; the
best practice is to request another tray, remove top gloves, and change gloves.
What anesthetic agent should be avoided on patients who have a family history of
malignant hyperthermia, or a patient diagnosed with malignant hyperthermia?
Questions And Answers Verified 100% Correct
When is the best time to schedule a dirty case?
a. At any time
b. As the first case
c. At the end of the day
d. After lunch time --ANSWER--> ANS: C
Rationale: Most facilities will schedule a dirty case as the last procedure of the day in
an OR so that a thorough cleaning process will occur.
Which position is used for a breast augmentation?
a. Lithotomy
b. Trendelenburg
c. Kraske
d. Dorsal recumbent --ANSWER--> ANS: D
Rationale: The dorsal recumbent (supine position) or Beach chair (Fowler) position is
used to provide access to the chest/breast area).
Which of the following is a monofilament suture?
a. Monocryl
b. Mersilene
c. Silk
d. Vicryl --ANSWER--> ANS: A
Rationale: Monocyl (polyglicaprone 25 is a monofilament suture.)
Which instrument would be used to hold a bone in place during an orthopedic
procedure?
a. Balfour
b. Babcock
c. Lowman
d. Heaney --ANSWER--> ANS: C
Rationale: The Lowman is a bone-holding forceps used to hold bones in place.
Which of the following destroys bacterial spores?
,a. Fungicide
b. Sterilant
c. Antiseptic
d. Germicide --ANSWER--> ANS: B
Rationale: Sterilization is a process by which all microorganisms, including bacterial
spores, are
destroyed.
Which position will the patient be in if a Wilson frame is in use?
a. Lithotomy
b. Kraske
c. Lateral
d. Prone --ANSWER--> ANS: D
Rationale: The Wilson frame is used for this position because the patient is lying on his
or her abdomen.
Which of the following is a chemical high level disinfectant?
a. Sodium hypochlorite
b. Alcohol
c. Glutaraldehyde (2%)
d. Phenol --ANSWER--> ANS: C
Rationale: Glutaraldehyde is a high level disinfectant used on critical items such as
endoscopes, respiratory equipment and anesthesia equipment items that are
immersable. Gluteraldehyde is sporicidal, bactericidal and viricidal.
Which cleaning process includes a lubrication "milking" phase?
a. Autoclave
b. Ultrasonic washer
c. Washer sterilizer
d. Steam sterilizer --ANSWER--> ANS: C
Rationale: Many washer sterilizers are programed for a cycle where instrument milk is
added to the rinse
cycle of many washer sterilizers to lubricate the instruments. Instruments can also be
dipped by hand to lubricate the working elements of stainless steel instruments.
When placing an instrument in a plastic-paper peel pouch why should air be evacuated
from the pouch before it is sealed?
a. The package could rupture during sterilization.
b. Air in the peel pouch is necessary for sterilization to occur
,c. Air in the peel pouch is essential for the instrument
d. No precautions are necessary when peel pouching --ANSWER--> ANS: A Rationale:
When placing an instrument in a plastic-paper peel pouch, air should be evacuated
from the pouch before it is sealed to prevent the package rupturing in the sterilizer.
Which two factors contribute to the killing of microbes?
a. Time and heat
b. Moisture and heat
c. Pressure and time
d. Temperature and time --ANSWER--> ANS: B
Rationale: Microbes are killed by a combination of moisture and heat.
Which bacteria is used for biological monitoring for steam sterilizers?
a. Bacillus
subtilis
b. Staphyllococcus
aureus
c. Staphylococcus
epidermidis
d. Geobacillus stearothermophilus --
ANSWER--> ANS: D
Rationale: Geobacillus stearothermophilus is the bacteria
used for biological monitoring
of steam
sterilization.
As PMMA (bone cement) hardens, it can cause:
a. embolism .
b. pulmonary hypertension.
c. vasoconstriction.
d. cardiac arrhythmias. --ANSWER--> ANS: A
Rationale: As PMMA (bone cement) hardens within long bone, it can expand, causing
intramedullary pressure which can force marrow tissue into the circulation, resulting
in embolism.
What solution should the ST use to clean instruments at the point of use?
a. Saline
b. Sterile water
c. Cidex
, d. Sodium hypochlorite --ANSWER--> ANS: B
Rationale: Sterile water should be used because it will not corrode or cause damage to
the instruments.
When a case cart full of dirty instruments arrives in the decontamination area, what is
the first step that should be taken?
a. Place in ultrasonic washer
b. Place in washer-sterilizer
c. Sorting instruments
d. Soaking --ANSWER--> ANS: C
Rationale: After arriving in the decontamination area from the procedure, the
instruments are sorted.
Instruments must be disassembled into parts and separated by weight and complexity
before decontamination.
How often should a Bowie-Dick test be run?
a. With each load
b. Every other load
c. Weekly
d. Daily --ANSWER--> ANS: D
Rationale: The Bowie-Dick test is a test to monitor the efficiency of the high-vac steam
sterilizer called
the daily air removal test (DART) performed using a Bowie-Dick monitor to check for air
entrapment of a prevacuum autoclave and must be run daily, preferably as the first run
of the day.
An ST is setting up the back table and has picked up the basket of instruments to place
on the back table. The circulator notices that there is water at the bottom of the tray that
contained the basket of
instruments and notified the ST. What should the STSR do?
a. Request another tray and a change of gloves
b. Request another tray and rescrub, gown, and glove
c. Flash that tray of instruments
d. Keep the instruments and regown and glove --ANSWER--> ANS: A
Rationale: The instruments are considered contaminated because the tray is wet; the
best practice is to request another tray, remove top gloves, and change gloves.
What anesthetic agent should be avoided on patients who have a family history of
malignant hyperthermia, or a patient diagnosed with malignant hyperthermia?
