CT-EXAM SECRETS PRACTICE
QUESTIONS
D. All of the above -ANSWhich of the following questions should be included in the pre-
screening for a contrast CT exam on a 35 year old female?
A. Chance of pregnancy?
B. Allergies?
C. Diabetic?
D. All of the above
D. Signed consent forms are not required by law in all states. -ANSState 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 -ANSThorough 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 -ANSWhich 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 -ANSWhat 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 -ANSWhich 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 -ANSWhat 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 -ANSPeripheral 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 -ANSWhat 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 -ANSWhich 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 -ANSWhat 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 -ANSWhat type of IV contrast agent is rarely used today due to high reaction
rates?
A. Ionic
QUESTIONS
D. All of the above -ANSWhich of the following questions should be included in the pre-
screening for a contrast CT exam on a 35 year old female?
A. Chance of pregnancy?
B. Allergies?
C. Diabetic?
D. All of the above
D. Signed consent forms are not required by law in all states. -ANSState 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 -ANSThorough 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 -ANSWhich 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 -ANSWhat 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 -ANSWhich 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 -ANSWhat 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 -ANSPeripheral 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 -ANSWhat 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 -ANSWhich 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 -ANSWhat 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 -ANSWhat type of IV contrast agent is rarely used today due to high reaction
rates?
A. Ionic
