Exam (elaborations)
CT EXAM #3 QUESTIONS AND ANSWERS
- Course
- Institution
CT EXAM #3 QUESTIONS AND ANSWERS
[Show more]
Content preview
CT EXAM #3 QUESTIONS ANDANSWERS
Three-dimensional imaging of vascular structures with an intravenous injection of
contrast media is called computed tomography angiography.
T or F - Answer-T
The size of the needle and site of injection are not important during a computed
tomographic angiography examination
T or F - Answer-False
During data acquisition in computed tomography fluoroscopy, the patient remains
stationary.
T or F - Answer-True
The goal of radiation therapy is to kill tumor cells without harming surrounding healthy
tissue
T or F - Answer-T
The maximum intensity projection visualization tool is the most frequently used in
computed tomographic angiography examinations to display the structure of vessels.
T or F - Answer-True
All of the following are steps crucial to performing a computed tomographic angiography
examination except:
*patient prep
*decreased collimation
*contrast media administration
*acquisition measures - Answer-decreased collimation
The maximum fluoroscopy time in a continuous imaging system is around
*50 sec
*100 sec
*300 sec
*200 sec - Answer-100 sec
,Which visualization technique uses all of the information in the axial data set to display
internal structures?
*volume rendering
*multiplanar reconstructions
*maximum intensity projection
*interactive cine - Answer-volume rendering
The computed tomography simulator features all of the following notable components
except:
*registration device
*small detector array
*large gantry array
*flat table with immobilization devices - Answer-small detector array
The computed tomography simulation process includes:
I. scan the patient in the computed tomography scanner
II. plan the treatment and computed tomography simulation
III. treatment setup - Answer-all 3
Cardiac computed tomography applications include all of the following except:
*ventricular function assessment
*gated stress imaging
*assessments of pulmonary veins
*coronary angiography - Answer-gated stress imaging
Which volume-rendering parameter refers to the degree that structures close to the user
obscure structures that are farther away?
*windowing
*brightness
*opacity
*accuracy - Answer-opacity
During the development of computed tomography fluoroscopy, the dose to the
________ of the operator was a concern.
*hands
*thyroid
*skin
*eyes - Answer-hands
Operators standing in the computed tomography room during the procedure must wear
all of the following except:
, *thyroid shield
*sterile gown
*lead glasses
*lead apron - Answer-sterile gown
The use of any medical technology for early detection of disease in asymptomatic
patients is referred to as:
*treatment
*screening
*prevention
*maintenance - Answer-screening
Computed tomography screening has been used in all of the following except:
*whole body screening
*lung screening
*colon screening
*breast screening - Answer-breast screening
Used to image asymptomatic patients - Answer-Computed tomography screening
Used to image critically ill patients - Answer-Portable multislice computed tomography
Real-time computed tomography - Answer-Computed tomography fluoroscopy
Imaging of vascular structures with the use of intravenous contrast - Answer-Computed
tomography angiography
Used to measure bone mineral density - Answer-quantitative computed tomography
Used in radiation oncology departments - Answer-computed tomography simulation
Computed tomographic angiography techniques have proved useful in imaging the
following:
1. coronary artery disease
2. renal vasculature
3. stroke - Answer-all 3
The selection of peak kilovoltage and milliamperage used in computed tomographic
angiography examinations is usually determined by:
1. abnormalities of the area being imaged
2. level of noise in the images
3. patient size - Answer-2 and 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now