New Quiz 19 Dec Welcome to your CT Scan NAME: EMAIL: [Compared with single-slice CT (SSCT), patient radiation dose during a multidetector CT study may be higher because of: 1. use of a cone beam of radiation 2. acquisitions at thinner section widths 3. higher-powered x-ray tubes] 1 only 1 and 2 only 1 and 3 only 1, 2, and 3 None . [Which of the following techniques may be employed to reduce patient radiation dose during a cardiac CT examination?] retrospective ECG gating z-axis interpolation prospective ECG gating Multi segment reconstruction None . [The abdominal space indicated by number 7 in the figure is commonly referred to as: Fig. ] Morison’s pouch cul-de-sac splenorenal recess subphrenic space None Comment . [Which of the following refers to the surgical resection of the pancreas and duodenum for treatment of pancreatic carcinoma?] endoscopic retrograde cholangio pancreatography(ERCP) cholecystectomy Roux-en-Y anastomosis Whipple procedure None . [The data for this reformatted image of the abdomen was most likely acquired in which of the following renal enhancement phases?] pre-contrast corticomedullary nephrographic excretory None Comment . [Number 2 on the figure corresponds to which of the following?] aortic arch pulmonary trunk superior vena cava left anterior descending artery None Comment . [Number 6 on the figure corresponds to which of the following? Fig.] descendingaorta azygos vein inferior vena cava brachiocephalic artery None Comment . [Normal range for oxygen (O2) saturation is:] 20%-25% 50%-60% 80%-85% 20%-25% None . [The benign mass of the eighth cranial nerve known as a vestibular schwannoma may also be termed a(n):] acoustic neuroma hypoglossal adenoma olfactory neuroblastoma optic nerve glioma None . [Urticaria is which of the following?] severe nausea with associated vomiting urinary tract infection hives bronchospasm None . [Which of the following statements comparing the efficiency of scintillation and gas ionization detectors is correct?] Both have approximately the same capture efficiency. The scintillation detector has a higher capture efficiency. Unlike the scintillation detector, the gas ionization detector has a problem with afterglow. Gas ionization detectors have a higher conversion efficiency. None . [The overall quality of MPR and volume-rendered 3D images for a carotid artery CTA may be improved by: 1. reducing the kVp for an increase in displayed vessel opacification and contrast 2. retrospective reconstructions with a 50% overlap in section increment 3. bolus-tracking software to maximize contrast enhancement] 2 only 1 and 2 only 2 and 3 only 1, 2, and 3 None . [Components of the aseptic technique utilized for the IV administration of contrast agents include: 1. thorough hand washing between patients 2. wearing of disposable gloves 3. establishment of a sterile field around the site] 1 and 2 only 1 and 3 only 2 and 3 only 1, 2, and 3 None . [Vascular components of the brain’s blood supply known as the circle of Willis include the: 1. internal carotid arteries 2. basilar artery 3. anterior communicating artery] 2 only 1 and 2 only 1 and 3 only 1, 2, and 3 None . [Which of the following medications may be admi- nistered to a patient who is having a severe anaphy- lactoid reaction to iodinated contrast material? 1. epinephrine 2. atropine 3. diphenhydramine] 1 only 1 and 2 only 1 and 3 only 1, 2, and 3 None . [Which of the following type(s) of oral contrast material could cause peritonitis if leakage from the digestive tract occurs from perforation?] iopamidol (Gastrografin) barium sulfate diatrizoate (Hypaque) effervescent granules None . [Which number on the figure corresponds to the anterior horn of the lateral ventricle?] 1 5 3 2 None Comment . [The intrathecal administration of an iodinated contrast agent in the patient in the figure would allow for greater visualization of the:1. spinal cord2. nerve roots3. anulus fibrosis Use Fig.] 1 only 1 and 2 only 1 and 3 only 1, 2, and 3 None Comment . [A specialized CT examination involving the administration of an enteral contrast agent directly into the small bowel via nasogastric tube is called:] CT enteroclysis CT colonography CT enterography CT colonoscopy None . [Which of the following reformation techniques best describes the image in the figure? Fig.] volume-rendered 3D multiplanar reformation (MPR) minimum intensity projection (min-IP) maximum intensity projection (MIP) None Comment . Time's up
