Mosby's CT Exam Review Practice Test 1/Mosby's CT Simulated Exam 1 With Updated Answers
Mosby's CT Exam Review Practice Test 1, Mosby's Simulated Exam One-CT An average range for activated PTT is: - ANS: 25-35 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? A. 5 degrees B. 15 degrees C.45 degrees D. 60 degrees - ANS: B. 15 degrees 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: - ANS: 2.5mL/sec 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 - ANS: C. the radiation dose to the patient during a CT scan 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 - ANS: 1 and 3 only Which of the following factors may affect a patient's calculated glomerular filtration rate (GFR)? 1. age 2. sex 3. race - ANS: 1,2&3 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 - ANS: B. bolus technique A patient in shock may exhibit which of the following symptoms? 1. tachycardia 2. rapid,shallow breathing 3. cyanosis - ANS: 1,2&3 The drug SOLU-CORTEF may be classified as which of the following?
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