NBSTSA PSI CST Exam Review 2026 | Most Tested Questions
& Verified Answers | Latest Update | Graded A+
1. What is the purpose of the water seal chamber in a chest drainage system?
To measure fluid output from the chest tube
To administer medication
To prevent air from entering the pleural space
To monitor heart rate
2. Which symptom is recognized as the initial indicator of malignant
hyperthermia?
unexplained tachycardia
hemorrhage
change in blood pressure
muscle twitching
3. If a surgical instrument with a lumen is sterilized without injecting distilled
water, what potential issue could arise during the procedure?
The instrument may cause an allergic reaction in the patient.
The instrument may become damaged during the sterilization
process.
The instrument will not fit properly in the surgical tray.
Inadequate sterilization of the instrument's interior.
4. In most cases, a DNR order must be what?
Verbal
, Ignored
Revoked
Renewed
5. What is the appropriate technique for a surgical technologist to use when
changing a glove during a procedure?
Open-gloving technique
Sterile draping technique
Closed-gloving technique
Handwashing technique
6. If a surgical team is preparing for a mastoid procedure and only has rolled
gauze available, what alternative dressing preparation could they consider to
ensure proper care?
Using abdominal pads instead of gauze.
Using adhesive bandages in place of gauze.
Using only the rolled gauze without any sponges.
Using several fluffed sponges with the rolled gauze.
7. Describe the characteristics of the incubation phase of infection and its
significance in the progression of disease.
During the incubation phase, pathogens replicate without causing
symptoms, which can lead to later stages of infection.
The incubation phase is when the host shows severe symptoms and
requires immediate treatment.
The incubation phase is characterized by the host's full recovery from
the infection.
, In the incubation phase, the immune system is actively fighting off the
pathogens.
8. Which instrument is specifically designed to grasp the cervix during a dilation
and curettage procedure?
Schroeder
Bozeman
Sims
Auvard
9. During this phase of a disease, the microorganism is replicating, but not yet
causing any symptoms.
Incubation
Convalesence
Invasive
Prodromal
10. How do you properly dry a lumen
With a pressure-regulated, instrument or HEPA-filtered air
Playing with it like a toy airplane
Shaking it up and down
Blowing on it really hard
11. Which of the following devices is used to exsanguinate the blood from an
extremity before inflating the pneumatic tourniquet cuff?
Ace bandage
, Esmarch bandage
Rubber band
Coban
12. What is the term used for the technique of listening to internal body sounds
using a stethoscope?
palpation
observation
auscultation
perfusion
13. Which of the following instruments should be used in a TURP set up?
urethrotome
resectoscope
Randall
lithotrite
14. Which department is primarily responsible for the examination of tissue
specimens?
Pathology
Laboratory
Histology
Radiology
& Verified Answers | Latest Update | Graded A+
1. What is the purpose of the water seal chamber in a chest drainage system?
To measure fluid output from the chest tube
To administer medication
To prevent air from entering the pleural space
To monitor heart rate
2. Which symptom is recognized as the initial indicator of malignant
hyperthermia?
unexplained tachycardia
hemorrhage
change in blood pressure
muscle twitching
3. If a surgical instrument with a lumen is sterilized without injecting distilled
water, what potential issue could arise during the procedure?
The instrument may cause an allergic reaction in the patient.
The instrument may become damaged during the sterilization
process.
The instrument will not fit properly in the surgical tray.
Inadequate sterilization of the instrument's interior.
4. In most cases, a DNR order must be what?
Verbal
, Ignored
Revoked
Renewed
5. What is the appropriate technique for a surgical technologist to use when
changing a glove during a procedure?
Open-gloving technique
Sterile draping technique
Closed-gloving technique
Handwashing technique
6. If a surgical team is preparing for a mastoid procedure and only has rolled
gauze available, what alternative dressing preparation could they consider to
ensure proper care?
Using abdominal pads instead of gauze.
Using adhesive bandages in place of gauze.
Using only the rolled gauze without any sponges.
Using several fluffed sponges with the rolled gauze.
7. Describe the characteristics of the incubation phase of infection and its
significance in the progression of disease.
During the incubation phase, pathogens replicate without causing
symptoms, which can lead to later stages of infection.
The incubation phase is when the host shows severe symptoms and
requires immediate treatment.
The incubation phase is characterized by the host's full recovery from
the infection.
, In the incubation phase, the immune system is actively fighting off the
pathogens.
8. Which instrument is specifically designed to grasp the cervix during a dilation
and curettage procedure?
Schroeder
Bozeman
Sims
Auvard
9. During this phase of a disease, the microorganism is replicating, but not yet
causing any symptoms.
Incubation
Convalesence
Invasive
Prodromal
10. How do you properly dry a lumen
With a pressure-regulated, instrument or HEPA-filtered air
Playing with it like a toy airplane
Shaking it up and down
Blowing on it really hard
11. Which of the following devices is used to exsanguinate the blood from an
extremity before inflating the pneumatic tourniquet cuff?
Ace bandage
, Esmarch bandage
Rubber band
Coban
12. What is the term used for the technique of listening to internal body sounds
using a stethoscope?
palpation
observation
auscultation
perfusion
13. Which of the following instruments should be used in a TURP set up?
urethrotome
resectoscope
Randall
lithotrite
14. Which department is primarily responsible for the examination of tissue
specimens?
Pathology
Laboratory
Histology
Radiology
