Exam (elaborations)
ALU Latest Exam Questions And 100% Correct Answers
- Course
- Institution
ALU Latest Exam Questions And 100% Correct Answers...
[Show more]
Content preview
ALU 101 2024-2025 Latest Exam Questions And 100%Correct Answers
Hounsfield Units Answer How the absorption of different tissues is quantified
Fluoroscopy Answer allows physician to view moving parts of the body in real time-used
for arthroscopy, cardiac catheterization, stent placement
Fine Needle Aspirate (FNA) Answer obtains cells and or fluid for pathological dx
differentiates whether a cold nodule is benign/malignant
A-Mode, B-Mode, M-Mode & Grayscale Answer provides info on structural size, motion
or both
produces moving image of heart including valve motion and wall motion
Contrast Agents - Response allows better imaging for tubular/hollow structures
can be used w/ plain x-ray, CT & MRI studies
Doppler Ultrasonography - Response measures velocity & direction of blood flow within
heart and blood vessels
evaluates venous insufficiency, blood clots, arterial occlusion/stenosis, and identifies
valvular disorders
X-Rays - Answer a beam of radiation is emitted and scattered/absorbed by different
tissues, i.e. bone, fat, water, and air
Advantages of US over MRI/CT Scanning - Answer 1. differentiates solid from liquid
2. lesser cost
, 3. portability
4. accessibility
5. no exposure from ionizing radiation
Hyperechoic, Hypoechoic, Anechoic Tissues - Answer 1. large number of soundwaves
2. low number of soundwaves
3. no soundwaves (fluid)
Limitations to US - Answer 1. skill level of ultrasonographer
2. image resolution
3. "noise" produced by the incidence of ultrasound waves on gas & bone
Nuclear Medicine - Answer 1. use scintigraphy (gamma camera) to record radioactive
material in target orgain
2. image bone
3. evaluate thyroid and hepatobiliary function
3. useful in dx CAD and evaluation of cardiac physiology
Digital Radiography - Answer 1. X-ray modality
2. uses a low dosage of radiation
3. images can be digitally manipulated to enhance visualization by the radiologist
Computed Tomography (CT/CAT) - Answer 1. sees fat, air, soft tissue & bone
Oral/Instilled Contrast Agents w/ CT - Answer 1. useful for intracranial, neck, abdominal,
pelvic & lung images
2. detects pulmonary embolism, aortic aneurysm/dissection or acute hemorrhage
3. defines size, precise location & extent of tumor's involvement w/ surrounding tissue
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 Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now