Basics
Contrast Study Basics
Ultrasound
Endoscopy and CT Scans
MRIs, Nuclear Medicine, and Fluoroscopy
100
This should always be done before a contrast study is started.
What is scout rads?
100
These are the two types of positive contrast media.
What are barium sulphate and organic iodides?
100
This is the definition of an ultrasound.
What is the imaging of internal body structures by recording echos of high-frequency waves?
100
This is the definition of endoscopy.
What is the visual examination of the interior of any cavity in the body, with an endoscope?
100
This is how an MRI produces an image.
What is by passing radio waves and a strong magnetic field through the patient?
200
This is the purpose of contrast studies.
What is to delineate an organ or area of interest against surrounding tissues?
200
These are the types of negative contrast media.
What are air, oxygen, and carbon dioxide?
200
This is the function of the transdeucer.
What is to send high-frequency waves into the tissue?
200
These items can be passed through the channel of the endoscope.
What are biopsy forceps, foreign-body removal forceps, baskets, and cytology brushes?
200
MRIs are primarily used to examine this.
What are internal organs?
300
Positive contrast agents will appear like this on X-ray.
What is radiopaque or white?
300
This is how long it takes barium sulphate to move through the intestinal tract.
What is three-plus hours?
300
Echogenic or echoic images appear as this colour on the U/S screen.
What is white?
300
This is the type of image that a CT scan produces.
What is a cross-section image of all tissue types of the body?
300
It is necessary to use this type of anesthetic for an MRI.
What are IV anesthetics?
400
Negative contrast agents will appear like this on X-ray.
What is radiolucent or black?
400
True or false: Barium sulphate is harmful to the peritoneum and should only be used when perforation of the GI tract is suspected.
What is false?
400
Anechoic images appear as this colour on a U/S screen.
What is black?
400
A CT scan can be compared to this.
What is slicing a loaf of bread?
400
This form of imaging uses radionucleides and a gamma camera to capture images.
What is scintigraphy?
500
These are the two types of contrast agents.
What are positive and negative?
500
True or false: Double contrast procedures involve both the use of positive and negative contrast media.
What is true?
500
These are the two steps that need to be taken before starting an ultrasound.
What are shaving the patient and applying coupling gel?
500
This is an important step to take before performing an endoscopy or a CT.
What is anesthetizing the patient?
500
This procedure is used to visually examine body structure in motion.
What is fluroscopy?
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