Mosby's CT Exam Review Practice Test 1 Already Graded A

Mosby's CT Exam Review Practice Test 1 Already Graded A NB: Answers to the questions appear before them and are highlighted in yellow 25-35 seconds An average range for activated PTT is: B. 15 degrees 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? A. 5 degrees B. 15 degrees C.45 degrees D. 60 degrees 2.5mL/sec A total volume of 125mL of an iodinated contrast agent is administered intravenously via automatic injector in 50 seconds. The flow rate for this injection is: C. the radiation dose to the patient during a CT scan The acronym CTDI is used to describe which of the following? A. a specialized CT imaging technique used to measure bone mineral density B.a quality control test that measures the accuracy of the laser lighting system C. the radiation dose to the patient during a CT scan D. a high speed CT scanner used for cardiac imaging 1 and 3 only While one is obtaining a thorough history from a patient prior to the intravenous injection of an iodinated 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 1,2&3 Which of the following factors may affect a patient's calculated glomerular filtration rate (GFR)? 1. age 2. sex 3. race B. bolus technique which of the following intravenous contrast agent administration methods provides the greatest over all plasma iodine concentration? A. drip infusion B. bolus technique C. biphasic technique D. CT portography 1,2&3 A patient in shock may exhibit which of the following symptoms? 1. tachycardia 2. rapid,shallow breathing 3. cyanosis D. corticosteroid The drug SOLU-CORTEF may be classified as which of the following? A. anticholinergic B. bronchodilator C. antihistamine D. corticosteroid C. iohexol Which of the following is a non-ionic contrast material? A. iodamide B. iothalamate C. iohexol D. diatrizoate C. mAs Which of the following technical factors has a direct effect on patient dose? A. matrix size B. algorithm C. mAs D. window level B.dyspnea Which of the following terms is used describe a patient who is having difficulty breathing? A. dyslexia B. dyspnea C. dysphagia D. dysphasia C. ionization chamber Which of the following devices is used to measure the patient dose from a CT examination? A. Geiger counter B. proportional counter C. ionization chamber D. film badge D. implied consent Which of the following describes the situation in which an assumption is made that an unconscious or otherwise physically unable patient consents to medical treatment A. informed consent B. witnessed consent C. patient proxy D. implied consent D. T wave Complete cardiac diastole corresponds to which portion of the cardiac cycle on an electrocardiogram (ECG)? A. P wave B. QRS complex C. Alpha wave D. T wave joint space During CT arthrography, iodinated contrast media is injected directly into the: A. iodixanol Which of the following is considered one of the iso-osmolar contrast media (IOCM)? A. iodixanol B. iopamidol C. iohexol D. ioversol Antecubital space