CST Exam Questions and Answers 2025
Clean-Contaminted Ans:Which of the following is the wound classifications for a bronchoscopy:
Clean
Contaminated
Dirty and infected
Clean-contaminated
Teeth Ans:Which of the following structures is located in the alveolar processes?
Teeth
Sinuses
Tonsils
Villi
Alpha-chymotrypsin Ans:The enzyme used to soften the zonules of the lens before cataract
surgery is:
Atropine sulfate
Alpha-chymotrypsin
Acetylcholine chloride
Pilocarpine hydrochloride
Flat Ans:When 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 Ans:How 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 Ans:Which of the following is a curved, transverse incision across the lower
abdomen frequently used in gynecological surgery?
Midline
Paramedian
McBurney's
Pfannenstiel
Potassium Ans:Hyperkalemia is a high concentration of:
Calcium
1
,Nitrogen
Potassium
Albumin
Informed consent Ans:Permission for treatment given with full knowledge of the risks is a/an:
Tort
Malpractice
Personal liability
Informed consent
Fascia Ans:Which of the following tissues are cut using curved Mayo scissors?
Fascia
Periosteum
Dura mater
Arterial wall
Argon Ans:Which laser beam can travel through clear tissues without heating them?
Argon
Excimer
Carbon dioxide
Neodymium: YAG
Cardia Ans:Which portion of the stomach surrounds the lower esophageal sphincter?
Cardia
Fundus
Pylorus
Antrum
Spores Ans:Low level disinfectants kill most microbes, but do not destroy:
Viruses
Bacteria
Fungi
Spores
Backtable Ans:The surgical pack utilized to created the sterile field should be opened on the:
Stretcher
OR table
Backtable
Mayo stand
Insulin Ans:The islets of Langerhans secrete:
Bile
Insulin
Intrinsic factor
Inhibiting hormones
2
,Extraction Ans:What type of procedure would involve the removal of teeth?
Cleft palate repair
Arch bar application
Extraction
Implants
Escherichia coli Ans:Which organism is a normal resident flora of the intestinal tract?
Escherichia coli
Staphylococcus aureus
Pseudomonas aeruginosa
Clostridium tetani
Webbed fingers Ans:Syndactyly refers to:
Cleft palate
Webbed fingers
Fused tarsals
Torn ligaments
Same side as surgeon Ans:Where 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 Ans:A properly performed surgical scrub renders the skin:
Sterile
Disinfected
Surgically clean
Moistened and dehydrated
Ampulla of Vater Ans:Through 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 Ans:Which 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 Ans:What are spiral shaped bacteria called?
3
, Bacilli
Cocci
Spirilli
Diplococci
Store Bile Ans:The primary function of the gallbladder is to:
Metabolize fats
Produce bile
Emulsify fats
Store Bile
Circulator Ans:Which of the following is a non sterile member of the surgical team?
Surgeon
Surgical assistant
Surgical Technologist
Circulator
Aid in controlling temperature Ans:Which 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 Ans:What 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 Ans:What is the surgical position frequently used for patients undergoing kidney
surgery?
Lithotomy
Lateral
Supine
Prone
Arthropod bites Ans:How are rickettsiae transmitted?
Arthropod bites
Airborne organisms
Physical contact
Blood exposure
Colposcopy Ans:Which of the following is an examination of the cervix using a binocular
microscope?
4
Clean-Contaminted Ans:Which of the following is the wound classifications for a bronchoscopy:
Clean
Contaminated
Dirty and infected
Clean-contaminated
Teeth Ans:Which of the following structures is located in the alveolar processes?
Teeth
Sinuses
Tonsils
Villi
Alpha-chymotrypsin Ans:The enzyme used to soften the zonules of the lens before cataract
surgery is:
Atropine sulfate
Alpha-chymotrypsin
Acetylcholine chloride
Pilocarpine hydrochloride
Flat Ans:When 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 Ans:How 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 Ans:Which of the following is a curved, transverse incision across the lower
abdomen frequently used in gynecological surgery?
Midline
Paramedian
McBurney's
Pfannenstiel
Potassium Ans:Hyperkalemia is a high concentration of:
Calcium
1
,Nitrogen
Potassium
Albumin
Informed consent Ans:Permission for treatment given with full knowledge of the risks is a/an:
Tort
Malpractice
Personal liability
Informed consent
Fascia Ans:Which of the following tissues are cut using curved Mayo scissors?
Fascia
Periosteum
Dura mater
Arterial wall
Argon Ans:Which laser beam can travel through clear tissues without heating them?
Argon
Excimer
Carbon dioxide
Neodymium: YAG
Cardia Ans:Which portion of the stomach surrounds the lower esophageal sphincter?
Cardia
Fundus
Pylorus
Antrum
Spores Ans:Low level disinfectants kill most microbes, but do not destroy:
Viruses
Bacteria
Fungi
Spores
Backtable Ans:The surgical pack utilized to created the sterile field should be opened on the:
Stretcher
OR table
Backtable
Mayo stand
Insulin Ans:The islets of Langerhans secrete:
Bile
Insulin
Intrinsic factor
Inhibiting hormones
2
,Extraction Ans:What type of procedure would involve the removal of teeth?
Cleft palate repair
Arch bar application
Extraction
Implants
Escherichia coli Ans:Which organism is a normal resident flora of the intestinal tract?
Escherichia coli
Staphylococcus aureus
Pseudomonas aeruginosa
Clostridium tetani
Webbed fingers Ans:Syndactyly refers to:
Cleft palate
Webbed fingers
Fused tarsals
Torn ligaments
Same side as surgeon Ans:Where 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 Ans:A properly performed surgical scrub renders the skin:
Sterile
Disinfected
Surgically clean
Moistened and dehydrated
Ampulla of Vater Ans:Through 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 Ans:Which 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 Ans:What are spiral shaped bacteria called?
3
, Bacilli
Cocci
Spirilli
Diplococci
Store Bile Ans:The primary function of the gallbladder is to:
Metabolize fats
Produce bile
Emulsify fats
Store Bile
Circulator Ans:Which of the following is a non sterile member of the surgical team?
Surgeon
Surgical assistant
Surgical Technologist
Circulator
Aid in controlling temperature Ans:Which 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 Ans:What 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 Ans:What is the surgical position frequently used for patients undergoing kidney
surgery?
Lithotomy
Lateral
Supine
Prone
Arthropod bites Ans:How are rickettsiae transmitted?
Arthropod bites
Airborne organisms
Physical contact
Blood exposure
Colposcopy Ans:Which of the following is an examination of the cervix using a binocular
microscope?
4
