1|Page
NBSTSA PSI CST Exam //NBSTSA Certification
//NBSTSA PSI Practice Guide //PSI CST Exam
{LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
A surgeon asks for warm irrigation after a right hemicolectomy. Which
of the following BEST describes the reason for irrigating at this point in
the procedure?
A. to clean out the area of any loose tissue
B. to maintain the core body temperature
C. to eliminate any infection causing microbes
D. to aid visual inspection for leakage ......ANSWER......D. to aid visual
inspection for leakage
The rate per hour in air exchanges in a standard OR suite is
A. 5-10.
B. 15-25.
C. 30-35.
D. 40-50. ......ANSWER......B. 15-25
If there is any question related to handling a specific type of specimen,
which of the following departments should be consulted?
pg. 1
,2|Page
A. histology
B. laboratory
C. pathology
D. radiology ......ANSWER......C. pathology
A patient's dentures are removed in the operating room. Which of the
following is the proper procedure for the care of the dentures?
A. Return them to the patient's unit and leave them at the nurses'
station.
B. Place them in a labeled cup and keep them with the patient's chart.
C. Wrap them in a paper towel and give them to the anesthesiologist.
D. Ask the circulator to return them to the patient's room.
......ANSWER......B. Place them in a labeled cup and keep them with the
patient's chart
A patient is scheduled for laser removal of condyloma acuminata. As a
safety precaution, the surgical technologist should have which of the
following special equipment open and available?
A. smoke evacuator
B. suction tip
C. pulse lavage
pg. 2
,3|Page
D. endocatch bag ......ANSWER......A. Smoke evacuator
Apart from trauma cases, which of the following incisions would be
BEST for sigmoid surgery?
A. vertical midline
B. vertical paramedian
C. oblique subcostal
D. lower transverse ......ANSWER......B. Vertical paramedian
The kidneys help regulate the blood levels of several ions, including
A. bicarbonate, water, and protein.
B. protein, sodium, and bicarbonate.
C. potassium, protein, and sodium.
D. sodium, potassium, and calcium. ......ANSWER......D. Sodium,
potassium, and calcium
Which of the following is the MOST effective mechanical method of
controlling bleeding occurring from needle holes in vessel
anastomoses?
A. pledget
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, 4|Page
B. suction
C. ligature
D. clamp ......ANSWER......A. pledget
Which of the following tags indicates the least critical of patients in a
triage situation?
A. yellow
B. black
C. red
D. green ......ANSWER......D. green
During a craniotomy, removal of the bone flap is followed by
A. incision of the dura mater.
B. opening the galea aponeurotica.
C. application of the Raney clips.
D. repairing the dura mater. ......ANSWER......A. incision of the dura
mater
After gowning and gloving, a surgeon activates the DuraPrep applicator
and performs the initial skin prep for surgery. Which of the following is
the BEST action to take at this time?
pg. 4
NBSTSA PSI CST Exam //NBSTSA Certification
//NBSTSA PSI Practice Guide //PSI CST Exam
{LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
A surgeon asks for warm irrigation after a right hemicolectomy. Which
of the following BEST describes the reason for irrigating at this point in
the procedure?
A. to clean out the area of any loose tissue
B. to maintain the core body temperature
C. to eliminate any infection causing microbes
D. to aid visual inspection for leakage ......ANSWER......D. to aid visual
inspection for leakage
The rate per hour in air exchanges in a standard OR suite is
A. 5-10.
B. 15-25.
C. 30-35.
D. 40-50. ......ANSWER......B. 15-25
If there is any question related to handling a specific type of specimen,
which of the following departments should be consulted?
pg. 1
,2|Page
A. histology
B. laboratory
C. pathology
D. radiology ......ANSWER......C. pathology
A patient's dentures are removed in the operating room. Which of the
following is the proper procedure for the care of the dentures?
A. Return them to the patient's unit and leave them at the nurses'
station.
B. Place them in a labeled cup and keep them with the patient's chart.
C. Wrap them in a paper towel and give them to the anesthesiologist.
D. Ask the circulator to return them to the patient's room.
......ANSWER......B. Place them in a labeled cup and keep them with the
patient's chart
A patient is scheduled for laser removal of condyloma acuminata. As a
safety precaution, the surgical technologist should have which of the
following special equipment open and available?
A. smoke evacuator
B. suction tip
C. pulse lavage
pg. 2
,3|Page
D. endocatch bag ......ANSWER......A. Smoke evacuator
Apart from trauma cases, which of the following incisions would be
BEST for sigmoid surgery?
A. vertical midline
B. vertical paramedian
C. oblique subcostal
D. lower transverse ......ANSWER......B. Vertical paramedian
The kidneys help regulate the blood levels of several ions, including
A. bicarbonate, water, and protein.
B. protein, sodium, and bicarbonate.
C. potassium, protein, and sodium.
D. sodium, potassium, and calcium. ......ANSWER......D. Sodium,
potassium, and calcium
Which of the following is the MOST effective mechanical method of
controlling bleeding occurring from needle holes in vessel
anastomoses?
A. pledget
pg. 3
, 4|Page
B. suction
C. ligature
D. clamp ......ANSWER......A. pledget
Which of the following tags indicates the least critical of patients in a
triage situation?
A. yellow
B. black
C. red
D. green ......ANSWER......D. green
During a craniotomy, removal of the bone flap is followed by
A. incision of the dura mater.
B. opening the galea aponeurotica.
C. application of the Raney clips.
D. repairing the dura mater. ......ANSWER......A. incision of the dura
mater
After gowning and gloving, a surgeon activates the DuraPrep applicator
and performs the initial skin prep for surgery. Which of the following is
the BEST action to take at this time?
pg. 4
