CT OPERATOR LICENSE EXAM 2026 AND 2027
ELITE EDITION COMPREHENSIVE QUESTIONS
WITH 100% ACCURATE VERIFIED ANSWERS.
◎ D. Signed consent forms are not required by law in all states.. ANSWER:- State laws
requires patients to sign consent forms in the following situations:
A. Prior to any injection of contrast materials
B. Prior to sedation for surgical procedures
C. Prior to hospital admission
D. Signed consent forms are not required by law in all states
◎ D. All of the above. ANSWER:- Thorough patient preparation and education prior to a
CT scan will do which of the following?
A. Reduce repeat radiation exposure
B. Reduce patient anxiety
C. Ensure best possible images
D. All of the above
◎ A. Blood Urea Nitrogen (BUN) and Creatinine. ANSWER:- Which laboratory test(s)
should be performed prior to CT exams that require IV contrast media injections to
determine renal function?
A. Blood Urea Nitrogen (BUN) and Creatinine
B. Prothrombin Time (PT)
C. Platelet Count and Complete Blood Count (CBC)
D. Liver Enzymes
◎ C. 5-25 mg/dl. ANSWER:- What is considered a normal range for Blood Urea
Nitrogen (BUN)?
A. 30-55mg/dl
B. 0.6.-1.7 mg/dl
C. 5-25 mg/dl
D. 155-190 mg/dl
◎ C. CT guided liver biopsy. ANSWER:- Which CT procedure requires Prothrombin
Time (PT) and Partial Thromboplastin Time (PTT) laboratory results prior to starting the
procedure?
A. CT abdomen and pelvis with IV contrast
B. CTA PE chest
C. CT guided liver biopsy
D. CT soft tissue neck with IV contrast
◎ B. Aseptic technique. ANSWER:- What method must be utilized for all peripheral
venipuncture procedures to reduce the risk of microbial contamination and infection?
, A. Hand washing
B. Aseptic technique
C. Proper patient identification
D. Wearing sterile gloves
◎ A. 20 gauge minimum needle size. ANSWER:- Peripheral IV access for an optimal
CT Angiogram study should meet which criteria:
A. 20 gauge minimum needle size
B. Located in the distal extremity
C. Must have mid-line access
D. Arterial access must be obtained
◎ B. Bolus, Non-equilibrium, Equilibrium. ANSWER:- What are the three phases of IV
contrast enhancement?
A. Velocity, Bolus, Venous
B. Bolus, Non-equilibrium, Equilibrium
C. Equilibrium, Portal Venous, Arterial
D. Arterial, Venous, Delayed
◎ D. All of the above. ANSWER:- Which factors determine the automatic power injector
flow rate during a CT exam?
A. IV size and location
B. Type of CT exam
C. Speed of CT scanner
D. All of the above
◎ C. Tracheoesophageal Fistula. ANSWER:- What condition is a contraindication to
having a patient prep orally with Barium Sulfate?
A. Diarrhea
B. Constipation
C. Tracheoesophageal fistula
D. Iodine allergy
◎ A. Ionic. ANSWER:- What type of IV contrast agent is rarely used today due to high
reaction rates?
A. Ionic
B. Non-Ionic
C. Iso-osmolar
D. Intrathecal
◎ C. Water and Air. ANSWER:- What are two negative contrast agents?
A. Barium sulfate and gastrografin oral contrast
B. Isomolar and ionic IV contrast
C. Water and Air
D. Intrathecal and Intra-articular contrast
ELITE EDITION COMPREHENSIVE QUESTIONS
WITH 100% ACCURATE VERIFIED ANSWERS.
◎ D. Signed consent forms are not required by law in all states.. ANSWER:- State laws
requires patients to sign consent forms in the following situations:
A. Prior to any injection of contrast materials
B. Prior to sedation for surgical procedures
C. Prior to hospital admission
D. Signed consent forms are not required by law in all states
◎ D. All of the above. ANSWER:- Thorough patient preparation and education prior to a
CT scan will do which of the following?
A. Reduce repeat radiation exposure
B. Reduce patient anxiety
C. Ensure best possible images
D. All of the above
◎ A. Blood Urea Nitrogen (BUN) and Creatinine. ANSWER:- Which laboratory test(s)
should be performed prior to CT exams that require IV contrast media injections to
determine renal function?
A. Blood Urea Nitrogen (BUN) and Creatinine
B. Prothrombin Time (PT)
C. Platelet Count and Complete Blood Count (CBC)
D. Liver Enzymes
◎ C. 5-25 mg/dl. ANSWER:- What is considered a normal range for Blood Urea
Nitrogen (BUN)?
A. 30-55mg/dl
B. 0.6.-1.7 mg/dl
C. 5-25 mg/dl
D. 155-190 mg/dl
◎ C. CT guided liver biopsy. ANSWER:- Which CT procedure requires Prothrombin
Time (PT) and Partial Thromboplastin Time (PTT) laboratory results prior to starting the
procedure?
A. CT abdomen and pelvis with IV contrast
B. CTA PE chest
C. CT guided liver biopsy
D. CT soft tissue neck with IV contrast
◎ B. Aseptic technique. ANSWER:- What method must be utilized for all peripheral
venipuncture procedures to reduce the risk of microbial contamination and infection?
, A. Hand washing
B. Aseptic technique
C. Proper patient identification
D. Wearing sterile gloves
◎ A. 20 gauge minimum needle size. ANSWER:- Peripheral IV access for an optimal
CT Angiogram study should meet which criteria:
A. 20 gauge minimum needle size
B. Located in the distal extremity
C. Must have mid-line access
D. Arterial access must be obtained
◎ B. Bolus, Non-equilibrium, Equilibrium. ANSWER:- What are the three phases of IV
contrast enhancement?
A. Velocity, Bolus, Venous
B. Bolus, Non-equilibrium, Equilibrium
C. Equilibrium, Portal Venous, Arterial
D. Arterial, Venous, Delayed
◎ D. All of the above. ANSWER:- Which factors determine the automatic power injector
flow rate during a CT exam?
A. IV size and location
B. Type of CT exam
C. Speed of CT scanner
D. All of the above
◎ C. Tracheoesophageal Fistula. ANSWER:- What condition is a contraindication to
having a patient prep orally with Barium Sulfate?
A. Diarrhea
B. Constipation
C. Tracheoesophageal fistula
D. Iodine allergy
◎ A. Ionic. ANSWER:- What type of IV contrast agent is rarely used today due to high
reaction rates?
A. Ionic
B. Non-Ionic
C. Iso-osmolar
D. Intrathecal
◎ C. Water and Air. ANSWER:- What are two negative contrast agents?
A. Barium sulfate and gastrografin oral contrast
B. Isomolar and ionic IV contrast
C. Water and Air
D. Intrathecal and Intra-articular contrast
