CST Exam Questions – NBSTSA | Latest Update
2026 | Exam Prep PDF | Graded A+
Clean-Contaminted - correct answerWhich of the following is the wound classifications
for a bronchoscopy:
Clean
Contaminated
Dirty and infected
Clean-contaminated
Teeth - correct answerWhich of the following structures is located in the alveolar
processes?
Teeth
Sinuses
Tonsils
Villi
Alpha-chymotrypsin - correct answerThe enzyme used to soften the zonules of the lens
before cataract surgery is:
Atropine sulfate
Alpha-chymotrypsin
Acetylcholine chloride
Pilocarpine hydrochloride
Flat - correct answerWhen perforated metal trays are placed on the shelves of the
steam sterilizing cart, they should be positioned:
Flat
Upside down
Vertical
Angled
Enter head first, exit feet first - correct answerHow should the stretcher be oriented
when necessary to use an elevator to transport a patient to the OR?
Place stretcher sideways in elevator
Enter head first, exit feet first
Position in elevator is irrelevant
Enter feet first, exit head first
Pfannenstiel - correct answerWhich of the following is a curved, transverse incision
across the lower abdomen frequently used in gynecological surgery?
Midline
Paramedian
McBurney's
Pfannenstiel
,Potassium - correct answerHyperkalemia is a high concentration of:
Calcium
Nitrogen
Potassium
Albumin
Informed consent - correct answerPermission for treatment given with full knowledge of
the risks is a/an:
Tort
Malpractice
Personal liability
Informed consent
Fascia - correct answerWhich of the following tissues are cut using curved Mayo
scissors?
Fascia
Periosteum
Dura mater
Arterial wall
Argon - correct answerWhich laser beam can travel through clear tissues without
heating them?
Argon
Excimer
Carbon dioxide
Neodymium: YAG
Cardia - correct answerWhich portion of the stomach surrounds the lower esophageal
sphincter?
Cardia
Fundus
Pylorus
Antrum
Spores - correct answerLow level disinfectants kill most microbes, but do not destroy:
Viruses
Bacteria
Fungi
Spores
Backtable - correct answerThe surgical pack utilized to created the sterile field should
be opened on the:
Stretcher
OR table
Backtable
,Mayo stand
Insulin - correct answerThe islets of Langerhans secrete:
Bile
Insulin
Intrinsic factor
Inhibiting hormones
Extraction - correct answerWhat type of procedure would involve the removal of teeth?
Cleft palate repair
Arch bar application
Extraction
Implants
Escherichia coli - correct answerWhich organism is a normal resident flora of the
intestinal tract?
Escherichia coli
Staphylococcus aureus
Pseudomonas aeruginosa
Clostridium tetani
Webbed fingers - correct answerSyndactyly refers to:
Cleft palate
Webbed fingers
Fused tarsals
Torn ligaments
Same side as surgeon - correct answerWhere should the first scrub surgical
technologist stand when handing towels to the surgeon to square off an incision site?
Opposite side from surgeon
Same side as surgeon
Foot of OR table
Head of OR table
Surgically clean - correct answerA properly performed surgical scrub renders the skin:
Sterile
Disinfected
Surgically clean
Moistened and dehydrated
Ampulla of Vater - correct answerThrough which of the following do the common bile
duct and the pancreatic duct empty?
Ampulla of Vater
Duct of Santorini
Wirsung's duct
Sphincter of Oddi
, Name, date of birth, physician - correct answerWhich of the following identifiers must be
verified by the patient or their ID bracelet prior to transporting a patient to the OR?
Name, social security #, Physcician
Name, medical record #, allergies
Name, date of birth, diagnosis
Name, date of birth, physician
Spirilli - correct answerWhat are spiral shaped bacteria called?
Bacilli
Cocci
Spirilli
Diplococci
Store Bile - correct answerThe primary function of the gallbladder is to:
Metabolize fats
Produce bile
Emulsify fats
Store Bile
Circulator - correct answerWhich of the following is a non sterile member of the surgical
team?
Surgeon
Surgical assistant
Surgical Technologist
Circulator
Aid in controlling temperature - correct answerWhich of the following is not a benefit of
using surface mounted sliding doors for access to the operating room?
Uses less space for opening
Aid in controlling temperature
Eliminate air turbulence
Provides for thorough cleaning
Time, shielding, distance - correct answerWhat are the three factors for reducing
ionizing radiation exposure?
Type of procedure, equipment, radiation dose
Time, shielding, distance
Exposure, frequency, concentration
Site, age, Gender
Lateral - correct answerWhat is the surgical position frequently used for patients
undergoing kidney surgery?
Lithotomy
Lateral
Supine
2026 | Exam Prep PDF | Graded A+
Clean-Contaminted - correct answerWhich of the following is the wound classifications
for a bronchoscopy:
Clean
Contaminated
Dirty and infected
Clean-contaminated
Teeth - correct answerWhich of the following structures is located in the alveolar
processes?
Teeth
Sinuses
Tonsils
Villi
Alpha-chymotrypsin - correct answerThe enzyme used to soften the zonules of the lens
before cataract surgery is:
Atropine sulfate
Alpha-chymotrypsin
Acetylcholine chloride
Pilocarpine hydrochloride
Flat - correct answerWhen perforated metal trays are placed on the shelves of the
steam sterilizing cart, they should be positioned:
Flat
Upside down
Vertical
Angled
Enter head first, exit feet first - correct answerHow should the stretcher be oriented
when necessary to use an elevator to transport a patient to the OR?
Place stretcher sideways in elevator
Enter head first, exit feet first
Position in elevator is irrelevant
Enter feet first, exit head first
Pfannenstiel - correct answerWhich of the following is a curved, transverse incision
across the lower abdomen frequently used in gynecological surgery?
Midline
Paramedian
McBurney's
Pfannenstiel
,Potassium - correct answerHyperkalemia is a high concentration of:
Calcium
Nitrogen
Potassium
Albumin
Informed consent - correct answerPermission for treatment given with full knowledge of
the risks is a/an:
Tort
Malpractice
Personal liability
Informed consent
Fascia - correct answerWhich of the following tissues are cut using curved Mayo
scissors?
Fascia
Periosteum
Dura mater
Arterial wall
Argon - correct answerWhich laser beam can travel through clear tissues without
heating them?
Argon
Excimer
Carbon dioxide
Neodymium: YAG
Cardia - correct answerWhich portion of the stomach surrounds the lower esophageal
sphincter?
Cardia
Fundus
Pylorus
Antrum
Spores - correct answerLow level disinfectants kill most microbes, but do not destroy:
Viruses
Bacteria
Fungi
Spores
Backtable - correct answerThe surgical pack utilized to created the sterile field should
be opened on the:
Stretcher
OR table
Backtable
,Mayo stand
Insulin - correct answerThe islets of Langerhans secrete:
Bile
Insulin
Intrinsic factor
Inhibiting hormones
Extraction - correct answerWhat type of procedure would involve the removal of teeth?
Cleft palate repair
Arch bar application
Extraction
Implants
Escherichia coli - correct answerWhich organism is a normal resident flora of the
intestinal tract?
Escherichia coli
Staphylococcus aureus
Pseudomonas aeruginosa
Clostridium tetani
Webbed fingers - correct answerSyndactyly refers to:
Cleft palate
Webbed fingers
Fused tarsals
Torn ligaments
Same side as surgeon - correct answerWhere should the first scrub surgical
technologist stand when handing towels to the surgeon to square off an incision site?
Opposite side from surgeon
Same side as surgeon
Foot of OR table
Head of OR table
Surgically clean - correct answerA properly performed surgical scrub renders the skin:
Sterile
Disinfected
Surgically clean
Moistened and dehydrated
Ampulla of Vater - correct answerThrough which of the following do the common bile
duct and the pancreatic duct empty?
Ampulla of Vater
Duct of Santorini
Wirsung's duct
Sphincter of Oddi
, Name, date of birth, physician - correct answerWhich of the following identifiers must be
verified by the patient or their ID bracelet prior to transporting a patient to the OR?
Name, social security #, Physcician
Name, medical record #, allergies
Name, date of birth, diagnosis
Name, date of birth, physician
Spirilli - correct answerWhat are spiral shaped bacteria called?
Bacilli
Cocci
Spirilli
Diplococci
Store Bile - correct answerThe primary function of the gallbladder is to:
Metabolize fats
Produce bile
Emulsify fats
Store Bile
Circulator - correct answerWhich of the following is a non sterile member of the surgical
team?
Surgeon
Surgical assistant
Surgical Technologist
Circulator
Aid in controlling temperature - correct answerWhich of the following is not a benefit of
using surface mounted sliding doors for access to the operating room?
Uses less space for opening
Aid in controlling temperature
Eliminate air turbulence
Provides for thorough cleaning
Time, shielding, distance - correct answerWhat are the three factors for reducing
ionizing radiation exposure?
Type of procedure, equipment, radiation dose
Time, shielding, distance
Exposure, frequency, concentration
Site, age, Gender
Lateral - correct answerWhat is the surgical position frequently used for patients
undergoing kidney surgery?
Lithotomy
Lateral
Supine
