Exam (elaborations)
CT Registry Review Exam Questions and Answers 100% Accurate
- Course
- Institution
CT Registry Review Exam
[Show more]
Content preview
CT Registry Review ExamAn average range for activated PTT is? - answer25-35 seconds
What is the correct angle of insertion for placing a butterfly needle into a vein for
intravenous administration of a contrast media? - answer15 degrees
A total volume of 125 mls of an iodinated contrast agent is administered intravenously
via automatic injector in 50 seconds. The flow rate for this injection is? - answer2.5
mL/sec
The acronym CTDI is used to describe what? - answer The radiation dose to the patient
during a CT scan.
While one is obtaining a thorough history from a patient prior to the intravenous injection
of an iodinated contrast material, what topics should be included? - answer Any prior
allergic reactions to contrast media and a history of asthma.
What are three factors that may affect a patient's calculated glomerular filtration rate
(GFR)? - answer Age, sex, and race
Which intravenous contrast agent administration methods provides the greatest overall
plasma iodine concentration? - answer Bolus Technique
A patient in shock may exhibit which of the following symptoms? - answer Tachycardia,
cyanosis, rapid, and shallow breaths.
The drug SOLU-CORTEF may be classified as what? – answer Corticosteroid
What technical factor has a direct effect on patient dose? – answer mAs
What is an example of a non-ionic contrast material? – answer Iohexol (Omnipause)
What term is used to describe a patient who is having difficulty breathing? -
answerDyspnea
What device is used to measure the patient dose from a CT examination? -
answerIonization Chamber
What describes the situation in which an assumption is made that an unconscious or
otherwise physically unable patient consents to medical treatment? - answerImplied
Consent
,Complete cardiac diastole corresponds to which portion of the cardiac cycle on an
electrocardiogram (ECG)? - answerT Wave
During CT arthrography, iodinated contrast media is injected directly into the? -
answerjoint space.
What is one example of the iso-osmolar contrast media (IOCM)? - answerIodixanol
(Visipaque)
A common site for the IV administration of iodinated contrast media is the anterior
recess of the elbow, otherwise known as: - answerantecubital space.
The potentially serious decline in renal function following the IV administration of
contrast material is called: - answercontrast-induced nephrotoxicity (CIN)
The quantity of absorbed radiation dose based on the radiosensitivity of a particular
tissue type is called? - answerEffective dose
Advantages of a saline flush immediately following the IV administration of iodinated
contrast media include: - answerReduction in required contrast agent dose, reduction in
the incidence of contrast-induced nephrotoxicity (CIN) and reduction of streaking
artifacts from dense contrast agents in the vasculature.
What medication may be administered to dilate the coronary vasculature prior to a
cardiac CT examination? - answerSublingual Nitroglycerine
A normal range for diastolic blood pressure in an adult is? - answer60-90 mm Hg
What is an example of a parenteral route of medication administration? -
answerIntramuscular
What method may be employed to reduce the radiation dose to the pediatric patient
undergoing a CT? - answerReduce mA, limit phases of acquisition, and increase pitch.
Radiation exposure and its potentially harmful effects have a relationship that is
termed.... - answerstochastic in nature.
What type of isolation techniques protects against infection transmission through fecal
material? - answerEnteric Precautions
What is an example of one of the ionic radiopaque contrast media (RCM)? -
answerIothalamate Meglumine (Conray)
The radiation dose index calculation that takes into account the variations in absorption
across the field of view due to beam hardening is termed? - answerCTDIW
, Direct contraindications to the administration of iodinated contrast media include: -
answerPrior life-threatening reactions to iodinated contrast media.
What unit is used to express the total patient dose from a helically acquired CT
examination? - answermGy-cm (milligrays per centimeter)
Components of a comprehensive CT stroke management protocol typically include: -
answerCT perfusion of the brain, CTA of the carotids and brain, and pre-contrast
sequence of the brain.
Simple cysts of the kidney have an average attenuation values in the range of: -
answer0 to +20 Hounsfield Units
After initiation of rapid bolus administration of an iodinated contrast agent, the arterial
phase of hepatic contrast enhancement occurs at approximately? - answer25-35
seconds
The abdominal aorta bifurcates at the level of? - answerL4
On an ECG of the complete cardiac cycle, at which portion of the R-R interval is the
heart muscle in diastole? - answer55% to 75%
The accumulation of gas within a degenerating intervertebral disc is called? -
answerVacuum Phenomenon
During a spiral or helical CT exam, the scanning acquires data? - answerContinuously
as the patient travels through the gantry and in the form of a complete volumetric data
set.
What CT studies of the head are typically performed without a contrast agent? -
answerCT of the brain to R/O subdural hematoma.
What is the termed used to describe "renal contrast enhancement best demonstrates
transitional cell carcinoma of the bladder"? - answerExcretory
What section width and spacing would be most suitable for a general survey of a CT
neck? - answer3 mm thick every 3 mm
The still viable ischemic cerebral tissue that surrounds the infarct core in a patient with
an acute stroke is termed? - answerIschemic Penumbra
Complex fractures of the wrist are most common in which carpal bone? -
answerScaphoid
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 julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now