CT Registry Practice Questions with 100% Verified Correct Answers What is the average range for activated PTT? - Correct Answer 25-35 seconds What is the correct angle for placement of a butterfly needle for IV contrast? - Correct Answer 15 degrees A total volume of 150mL of IV contrast agent is administered through a automatic injector in 50 seconds, what is the flow rate? - Correct Answer 2.5 mL/Sec The acronym CDTI is used to describe what? - Correct Answer (CT Dose Index) The radiation dose to a patient during a CT scan When obtaining patient history prior to injection of IV contrast, which of the following must be included?
- Any prior allergic reactions to contrast media
- Presence of HIV or any hepatitis infection
- History of asthma - Correct Answer 1 & 3 only
- Age
- Sex
- Race - Correct Answer All of the above
- Tachycardia 1 / 2
Which of the following factors may affect a patients glomeruler filtration rate? (eGFR)
Which contrast agent administration method provides the greatest overalll plasma iodine concentration? - Correct Answer Bolus Technique A patient in shock may exhibit whic of the following?
- Rapid, shallow breathing
- Cyanosis - Correct Answer All of the above
- Correct Answer Iohexol
- / 2
The drug SOLU-CORTEF may be classified as which what type of drug? - Correct Answer Coritcosteroid Which of the following has a direct effect on patient dose? - Correct Answer mAs Which of the following is a non-ionic contrast material - Iodamide, Iothalamate, Iohexol, Diatrizoate?
What term is used to descibe a patient who is having difficulty breathing? - Correct Answer Dyspnea What device is used to measure the patient dose from a CT exam? - Correct Answer Ionization Chamber What describes a situation in which an assumption is made that an unconsious or otherwiswe physically unable patient consents to medical treatment? - Correct Answer Implied Consent Complete cardiac diastole corresponds to which portion of the cardiac cycle on an ECG? - Correct Answer T-Wave During CT arthrography, contrast media is injected directly into where? - Correct Answer Joint Space Which of the following is considered one of the isomolar contrast medias- Iodixanol, Iopamidol, Iohexol, Ioversol? - Correct Answer Iodixanol (Visipaque) A common site for the administration of IV contrast (the anterior recess of the elbow) - Correct Answer Antecubital (AC) Space The serious decline in renal function following the injection of IV contrast is termed: - Correct Answer Contrast Induced Nephrotoxcicity (CIN)