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165 Exam 2

Part 1

QuestionAnswer
Most radiopaque contrast media used for roentgenography are derivatives of Triiodinated Benzoic Acid
What is the term for the concentration of osmotically active particles in solution? Osmolarity
What is the term for a negatively charged particle? Anion
Why is barium sulfate not used during computed tomography examinations? Creation of image artifacts
If the kidneys are functioning normally, what percentage of an intravascular ROCM dose is excreted in a 24-hour period? 100%
To visualize the gallbladder, ROCM are administered most often in which of the following forms? Tablets
After injection of an intravascular ROCM, visualization of the kidneys should begin within what period of time? 15 to 30 minutes
_______ is not a paramagnetic agent? Perflutren (Definity)
Radiopaque contrast media are ______ pharmacologic agents used to visualize low-contrast tissues in the body High-Density
________ exist in salt form Ionic ROCM
______ exist in nonsalt form Nonionic ROCM
_______ are used for oral or rectal administration to aid in the diagnosis of gastrointestinal tract disorders Diatrizoate Solutions
______ is an oral ROCM used for opacifying the gallbladder Iocetamic Acid
________ is an ultrasound microbubble agent Octafluoropropane
Paramagnetic agents are used in radiology for ______ MRI
Radiopaque contrast media cross the______ Placental Barrier
Sometimes, ROCM do cause _______ Serious Adverse Effects
________ may be one pharmocodynamic mechanism by which adverse heart rhythms, cardiac arrest, and sudden death occur in a minority of patients receiving intravascular ROCM Calcium Chelation
_______ can cause some anticoagulation, which can result in bleeding and bruising High-Osmolality ROCM
_________ is a condition in which the body becomes unable to tolerate thyroid hormones Decompensated Thyrotoxicosis
ROCM are responsible for approximately _______ and are the third most common cause of hospital-acquired ARF. 10% of all acute renal failure (ARF) events
To visualize the vascular lumen with normal x-ray exposure, the blood iodine concentration must be within _______ 280 to 370 mg/ml
What is the term for a heart rhythm disturbance characterized by electrical impulses without cardiac contraction? Pulseless Electrical Activity
What is the term for an immediately life-threatening systemic hypersensitivity reaction? Anaphylaxis
In oliguric ARF, urine output does not exceed what amount? 400 ml/day
When a patient is assessed before introduction of a radiopaque contrast medium, it is vitally important to evaluate the _____ Medical History and Current Renal Function Status
_____ generally occurs in patients who have Decompensated Thyrotoxicosis Thyroid Storm
What is the percentage of ARF cases after ROCM angiography? 2%
Created by: user-2016295
 

 



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