CT REGISTRY 1st exam Questions and Answers 100% Pass

CT REGISTRY 1st exam Questions and Answers 100% Pass An average range for activated PTT is: - Correct Answer ️️ -25 to 35 seconds Which of the following is the correct angle of insertion for placing a butterfly needle into a vein for intravenous administration of a contrast agent? - Correct Answer ️️ -15° Total volume of 125 mL of an iodinated contrast agent is administered intravenously via automatic injection in 50 seconds. The flow rate for this injection is: - Correct Answer ️️ -2.5 mL The acronym CTDI is used to describe which of the following? - Correct Answer ️️ -A quality control test that measures the accuracy of the laser lighting system. While one is obtaining a thorough history from the patient prior to the intravenous injection of an iodonated contrast material, which of the following topics should be included? 1. Any prior allergic reactions to contrast media 2. Presence of HIV or hepatitis infection 3. History of asthma - Correct Answer ️️ -1 and 3 only Which of the following factors may affect our patients calculated globular filtration rate (GFR)? 1. Age 2. Sex 3. Race - Correct Answer ️️ -1, 2, & 3 Which of the following intravenous contrast agent administration methods provides the greatest over all plasma iodine concentration? - Correct Answer ️️ -Bolus technique A patient in shock may exhibit which of the following symptoms? 1. tachycardia , shallow breathing 3. cyanosis - Correct Answer ️️ -1, 2, & 3 The drug Solu-Cortef maybe classified as which of the following? - Correct Answer ️️ - Corticosteroid Which of the following technical factors had to direct affect on patient dose? - Correct Answer ️️ -mAs Which of the following is a non-ionic contrast material? - Correct Answer ️️ -Iohexol Which of the following terms used to describe a patient who is having difficulty breathing? - Correct Answer ️️ -Dyspnea Which of the following devices used to measure the patient knows from a CT examination? - Correct Answer ️️ -Ionization chamber Which of the following describes a situation in which an assumption has made that an unconscious or otherwise physically unable patient consents to medical treatment? - Correct Answer ️️ -Implied consent Complete cardiac diastole corresponds to which portion of the cardiac cycle on an electrocardiogram (ECG)? - Correct Answer ️️ -T wave During CT arthrography, I had a native contrast media is injected directly into the: - Correct Answer ️️ -Joint space Which of the following is considered one of the iso-osmolar contrast media (IOCM)? - Correct Answer ️️ -Iodixanol A common site for the IV administration of iodonated contrast media is the anterior recess of the elbow, otherwise known as the: - Correct Answer ️️ -antecubital space We potentially serious decline and renal function following the IV administration of contrast material is called: - Correct Answer ️️ -Contrast-induced nephrotoxicity (CIN) The quantity of absorbed radiation dose based on the radiosensitivity of a particular tissue type is called: - Correct Answer ️️ -effective dose Advantages of a saline flush immediately following the IV and ministration of I donated contrast material include: - Correct Answer ️️ -1. Reduction in required contrast agent dose 2. Reduction in the incidence of contrast-induced nephrotoxicity (CIN) 3. Reduction of streaking artifact frim dense contrast agent in the vasculaturr Which of the following medications may be administered to dilate the coronary vasculaturr prior to a cardiac CT examination? - Correct Answer ️️ -Sublingual nitroglycerine Normal range for diastolic blood pressure and an adult is: - Correct Answer ️️ -60-90 mm Hg The following is a perenteral route of medication administration? - Correct Answer ️️ - Intramuscular Following methods may be employed to reduce the radiation dose to the pediatric patient undergoing CT? - Correct Answer ️️ -Reduce MA, limit phases if acquisition, increase pitch Radiation exposure and it's potentially harmful effects have a relationship that is termed _____________ in nature. - Correct Answer ️️ -Stochastic