ARRT CT Registry 2023 Exam Questions And 100% Correct Answers

ARRT CT Registry 2023 Exam Questions And 100% Correct Answers 1. The normal range of respiration of an adult is A. 5- 10 breaths per minute B. 12-20 breaths per minute c. 20-30 breaths per minute D. 35-50 breaths per minute - ANSWER- B. 12-20 2 which of the following is a parenteral route of medication administration A. sublingual B. Intramuscular C. transdermal D. Oral - ANSWER- B. Intramuscular 3 The preperation for a contrast- enhanced CT exam of a patient with prior allergic reaction to iodinated contrast media may include A. pre medication with steroids and antihistamines B. administration of a negative contrast agent C. increase in fluids for 24 hours before the exam D. refraining from urination for 2 hours before the exam - ANSWER- A. premedication with Steroids and antihistamines 4 A patient in shock may exhibit which of the following symptoms: A. tachycardia B. rapid, shallow breathing C. cyanosis D. all the above - ANSWER- D. all the above 5 which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media? A. contact Isolation B. surgical asepsis C. medical asepsis D. enteric precautions - ANSWER- B. surgical asepsis 6 A common site for the intravenous injection of iodinated contrast media is the A. cephalic vein B. antecubitlal vein C. basilic vein D. all the above - ANSWER- D. all the above 7 which of the following technical factors exhibits a direct effect on patient dose? a. matrix size b. algorithm c. milliampere-seconds (mAs) d window level - ANSWER- c. milliampere-seconds (mAs) 8 prior to an intravenous injection of iodinated contrast material, the patient should be questioned regarding 1. renal function 2. allergic history 3. cardiac history a. 1 only b. 2 only c. 3 only d. 1, 2, and 3 - ANSWER- d. 1, 2, and 3 9 used in determining the biologic effect of iodinated contrast media, the term ___________refers to the number of ions formed when a substance dissociates in solution. a. solubility b. osmolality c. concentration d. iodination - ANSWER- b. osmolality 10 which of the following laboratory values can be used to evaluate the renal function of a patient. a. blood urea nitrogen (BUN) b. partial thromboplastin time c. creatinine d. both a and c - ANSWER- d. both a and c 11 a(n) ________________ infection is one that patients acquire during their stay in a health care institution. a. blood-borne b. nosocomial c. iatrogenic d. staphylococcal - ANSWER- b. nosocomial 12 during CT examinations, patients should be shielded above and below because of a. the rotational nature of the xray tube b. extremely high kilo volt peak (kVp) techniques c. lack of filtration of the CT beam d. reduced collimation of the CT beam - ANSWER- a. the rotational nature of the xray tube 13 which of the following would be best suited for intravenous injection of contrast material with a power injector? a. a butterfly needle b. a central venous line c. a 23-gauge spinal needle d. an angiocatheter - ANSWER- d. angiocatheter 14 a(n) __________________ contrast material may be described as one that does not dissociate into charged particles in solution. a. neutral b. non-ionic c. osmolar d. ionic - ANSWER- b. non-ionic 15 thorough explanation of the CT procedure and proper communication with the patient is vital in ensuring that 1. breathing instructions are properly followed 2. misregistration does not occur 3. patient anxiety is kept at a minimum a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 - ANSWER- d. 1, 2, and 3 16 the lumen of needles used for the injection of contrast media varies in diameter. the unit used to describe this diameter is called a. length b. cubic centimeter (cc) c. gauge d. pounds per square inch (psi) - ANSWER- c. gauge