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The normal range of respiration for an adult is 12-20 breaths per minute
Which of the following is a parenteral route of medication administration? intramuscular
The preparation for a contrast enhanced CT exam of a patient with prior allergic reaction to iodinated contrast media may include? premedication with steroids and antihistamines
A patient in shock may exhibit which symptoms? tachycradia, rapid-shallow breathing, and cyanosis
Which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media? medical asepsis
A common site for intravenous injection of iodinated contrast media is the cephalic vein, antecubital vein, and basilic vein
Which of the following technical factors exhibits a direct effect on patient dose? milliampere-seconds (mAs)
Prior to an intravenous injection of iodinated contrast material, the patient should be questioned regarding? renal function, allergic history, cardiac history
Used in determining the biologic effect of iodinated contrast media, what term refers to the number of ions formed when a substance dissociates in solution? osmolality
Which of the following laboratory values can be used to evaluate the renal function of a patient? blood urea nitrogen (BUN), and creatine
What kind of infection is one that patients acquire during their stay in a health care institution? nosocomial
During CT examinations, patients should be shielded above and below because of? the rotational nature of the xray tube
Which of the following ( a butterfly needle, a central venous line, a 23 gauge spinal needle, or an angiocatheter) would be best suited for intravenous injection of contrast material with a power injector? an angiocatheter
Contrast material may be described as one that does not dissociate into charged particles in solution is? non-ionic
Thorough explanation of the CT procedure and proper communication with the patient is vital in ensuring that? breathing instructions are properly followed and patient anxiety is kept at a minimum, and misregistration does not occur
The lumen of needles used for injection of contrast media varies in diameter. The unit used to describe this diameter is called? gauge
Direct contraindications to iodinated contrast material administration include? (prior life threatening reaction to iodinated contrast material,multiple myeloma, or allergies to penicillin) prior life threatening reaction to iodinated contrast material, and multiple myeloma
which of the following is na acurate method of verifying patient identity? (calling patients by their full names, checking the name listed on the medical record, examining the patient's wristband or all the above) examining the patient's wristband
Advantages of automatic power injectors over the manual bolus method of intravenous contrast administration are? increased tissue enhancement due to faster injection times, and uniform contrast administration over the entire length of the study
The average range for normal adult blood urea nitrogen levels is? 5-20 mg/dl
Which term describes a condition in which cerebral ischemia is caused by systemic hypotention? vasovagal reaction
Which interaction between x-ray beam and matter results inthe largest amount of patient dose? photoelectric effect
Examples of mild adverse reactions to iodinated intravenous contrast media may include? nausea and warm, flushed sensation
During which CT procedures is the patient required to give consent? any ct exam with intravenous contrast
what is the medication commonly given to sedate small children undergoing CT exams? Chloral hydrate
Which of the following are included as basic types of iodinated contrast media? (iothalamate, diatrizoate, metrizoate) iothalamate, diatrizoate, metrizoate
Which of the following is not a category of isolation technique? (enteric precautions, gram-negative isolation, contact isolation, strict isolation) gram-negative isolation
State the difference between ionic and non-ionic contrast? Non-ionic contrast media have a lower osmolality than ionic media
The intravenous injection of medication or contrast agent in one complete dose over a short period of time bolus
An intrathecal injection before a CT exam of the lumbar spine places iodinated contrast material directly into the subarachnoid space
Accurate demonstration of (bronchiectasis, pneumonia, mediastinal lymphadenopathy, a pulmonary nodule) would most likely require the intravenous injection of an iodinated contrast medium during a CT study of the chest mediastinal lymphadenopathy
Abnormalities of the middle and inner ear may be best demonstrated using CT sections of ? 1-2 mm
Which of the following is not a portion of the small bowel?(duodenum, jejunum, ileum, cecum) cecum
Axial CT sections of the lumbar spine for intervertebral disk evaluation should be acquired with the plane of imaging parallel to the plane of the intervertebral disk spaces
What would be a typical protocaol for a CT study of the brain for a patient with a history of dizziness? 5x5 mm sections through the posterior fossa, 10x10 mm to the vertex
a benign, highly vascular mass commonly found in the liver hemangioma
simple cysts of the kidney have average attenuation values in the range of 0 to +20 Hounsfield units
The proper scan field of view (SFOV) for a CT of the abdomen of a patient who measures 42 cm is (head 25 cm, small 25, medium 35, or large 48cm) large 48cm
Ct images of the chest should be acquired with the patient ? at full inspiration
Which of the following protocols should provide the best image quality for a three dimentional disarticulation study of the hip? (10x15mmsections/standard algorithm, 10x10mm sec/bone algorithm, 1.5x1.0 mm sects/bone algorithm, 5x7mm sec/standard algorithm 1.5x1.0 mm sects/bone algorithm
What is the best patient position for a CT evaluation of the chest? supine
During a spiral or helical CT examination, the scanner acquires data continuously as the patient travels through the gantry, in the form of a complete volumetric data set
A complete CT study of the orbits should include 3x3mm axial and coronal sections
Dynamic CT studies involve rapid bolus contrast administration followed by immediate data acquisitionwith which paramters rapidly scanned sections with short interscan delays
Which of the following contrast medias may be used during the CT evaluation of the GI tract? (diatrizoate meglumine (gatrografin),effervescent agents, iopamidol(isovue)) (diatrizoate meglumine (gatrografin),effervescent agents, iopamidol(isovue))
Created by: radtech04