100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Ct registry review 1 Questions Graded A+ $13.99   Add to cart

Exam (elaborations)

Ct registry review 1 Questions Graded A+

 5 views  0 purchase
  • Course
  • Ct registry
  • Institution
  • Ct Registry

Ct registry review 1

Preview 3 out of 29  pages

  • September 19, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Ct registry
  • Ct registry
avatar-seller
julianah420
Ct registry review 1

Iothalamate meglumine - answer Aka Conroy; Ionic radiopaque contrast media (RCM)

An average range for activated PTT - answer25-35 seconds

Which of the following is the correct angle of insertion for placing a butterfly needle into
a vein for intravenous of a contrast agent - answer15 degrees

A total volume of 125mL 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

Tachycardia, rapid, shallow breathing, cyanosis are symptoms of what? - answer
Symptoms a patient in shock may exhibit

The drug SOLU-CORTEF may be classified as - answer Corticosteroid

Iohexol (ionic or non-ionic?) - answer on-ionic contrast material

Ionization chamber - answerDevice used to measure patient dose

T wave - answerPortion of the cardiac cycle on an electrocardiogram (Ekg) that
corresponds to complete cardiac diastole

CT arthrography - answerIodinated contrast is injected directly into the joint space

Iodixanol - answeraka Visipaque; Iso-osmolar contrast media (IOCM)

Contrast-induced nephrotoxicity (CIN) - answerSerious decline in renal function
following IV contrast injection

what is Effective dose - answerQuantity of absorbed radiation dose based on the
radiosensitivity of a particular tissue type

Advantages of a saline flush immediately following IV contrast - answer1. Reduction in
contrast agent dose
2. Reduction in incidence of contrast-induced nephrotoxicity (CIN)
3. Reduction in streaking artifact due to dense contrast agent in the vasculature .

Factors that may affect a patient's calculated glomerular filtration rate? - answerAge,
sex, race

,Medicine administered to dilate the coronary vasculature prior to a cardiac CT exam -
answerSublingual nitroglycerin

Normal diastolic blood pressure in an adult - answer60-90 mm Hg

Methods to reduce radiation dose to pediatric patients - answer1. Reduce mA
2. Limit phases of acquisition (INSTEAD OF W/WO JUST DO W.)
3. Increase pitch

Relationship of radiation exposure and it's potentially harmful effects; stochastic= -
answerrandomly determined; having a random probability distribution or pattern that
may be analyzed statistically but may not be predicted precisely.

Isolation technique that protects against infection through fecal material - answerEnteric
precautions

Conray aka - answerIothalamate meglumine

Omnipaque aka - answerIohexol

Isovue aka - answerIopamidol

Optiray aka - answerIoversol

CTDIw - answerThe radiation dose index calculation that takes into account the
variations in absorption across the field of view due to beam hardening

Direct contraindications to the administration of Iodinated contrast material include -
answerprior life threatening reaction
Multiple myeloma
Diabetes

Unit 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. - answer1.Pre-
contrast sequence of the brain
2. CTA of the brain and carotids
3. CT perfusion (CTP) of the brain

Pleural effusion - answerAn abnormal density located in lung field; has an attenuation
value of +5.0 Houndsfield units

Average attenuation value of simple cyst of the kidney - answer0 to +20 Houndsfield
units

, After initiation of rapid bolus administration of an iodinated contrast agent, the arterial
phase of hepatic contrast enhancement occurs at approximately - answer25-30
seconds

The abdominal aorta bifurcates at the level of - answerL4

On an ECG of the complete cardiac cycle, at which portion on the R-R interval is the
heart muscle in diastole - answer55%-75%

The accumulation on gas within a degenerating intervertebral disc is called the -
answervacuum phenomenon

During a spiral or helical CT examination, the scanner acquires data - answer1.
continuously as the patient travels through the gantry
2. in the form of a complete volumetric data set

Which of the following CT studies of the head is typically performed without a contrast
agent? - answerCT of the brain to r/o subdural hematoma

Phase of renal contrast enhancement that best demonstrates transitional cell carcinoma
(TCC) of the bladder - answerExcretory

CT examinations of the abdomen are often performed in the right lateral decubitus
position to demonstrate the relationship between the: - answerDuodenum and the
pancreatic head

The section width and spacing for a general survey CT of the neck - answer3 mm thick
every 3mm

The still viable ischemic cerebral tissue that surrounds the infarct core in a patient with
an acute stroke - answerIschemic penumbra

divergent beam - answerbeam does not stay on same path

heterogenuous energy - answerAll the beams coming from the x ray tube are of various
energies

Noise - answerScatter adds density (noise)...low photon energy = scatter

Gantry contains: - answer1. Tube
2. Detector
3. Collimator
4. Physical filters--absorbs lower energy photons
a. water bath
b. collimator (stops beam from diverging)
c. bow tie filter (removes noise)

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 $13.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82871 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.99
  • (0)
  Add to cart