Exam (elaborations)
SPI EXAM | 308 complete QUESTIONS AND ANSWERS 100% CORRECT |
- Course
- Institution
SPI EXAM | 308 complete QUESTIONS AND ANSWERS 100% CORRECT |
[Show more]
Content preview
SPI EXAM | 308 complete QUESTIONS ANDANSWERS 100% CORRECT | 2024-2025
Sonographer/ patient safety assume every patient what? - ANSWER Every
patient is infectious
Sterilization - ANSWER Destruction of all microorganisms by exposure to
extreme heat, chemical agents or radiation
Disinfection - ANSWER Reduce or eliminate infectious organisms; reduce
microbial load; chemical application
curie point - ANSWER depolarized PZT when heated to 360º C/ 680º F
OSHA - ANSWER Government writes the regulations
SDMS - ANSWER assists in acquisition of data. Provides the data for
study/regulations
Facility Responsibilities - ANSWER Develop policies and procedures for
ergonomics and sonographer health-standard operating procedures (SOP)
Ergonomics - ANSWER Studies the interaction between the sonographer,
patient and equipment to optimize the well being of the sonographer
,____% of sonographers experience pain from musculoskeletal injury related to
work - ANSWER 75%
___% monographers end their career as a result of injury - ANSWER 20%
ALARA - ANSWER As Low As Reasonably Achievable
If image is TOO DARK FIRST increase - ANSWER Receiver gain
If image is TOO BRIGHT FIRST decrease - ANSWER Output power
Bioeffects - ANSWER The effect of ultrasound on the tissue
Dosimetry - ANSWER identifying and measuring those characteristics of an US
field which are especially relevant to its potential for producing biological effects
Bioeffects intensity limit - ANSWER SPTA: Spatial Peak Temporal Average
Bioeffects intensity limit measurement - ANSWER W/cm2 or 1,000 mW/cm2
focused
100 mW/cm2 unfocused
In vivo - ANSWER in living tissue
,In vitro - ANSWER in glass; outside the living body
What had the greatest effect on patient exposure - ANSWER Exam duration
Highest output intensities are used with - ANSWER PULSED DOPPLER
Lowest output intensities are with - ANSWER GRAY SCALE imaging
What are great reflectors - ANSWER Tissues
What are lousy reflectors - ANSWER Red blood cells
Thermal Index - ANSWER A theoretical calculation related to the possible
temperature elevation, measured in degrees centigrade, that could or may be
produced by the sound beam
A thermal index of 2 means - ANSWER A temperature elevation of 2 degrees
centigrade MAY occur
Bioeffects on tissues - ANSWER Bone is an absorber.
Temperature elevation at a tissue-bone interface is
A. More likely
B. Less likely - ANSWER A. More likely
, Fetal tissues - ANSWER Temperature elevation in fetal soft tissue is considered
of potentially greater harm than in adults.
Mechanical Index - ANSWER Calculated number related to the likely bioeffects
from cavitation
The higher the Mechanical Index - ANSWER the more cavitation or 'popping of
the bubbles' occurs
Intensity is related to tissue heating - ANSWER SPTA
Epidemiology and Statistics shows diagnostic ultrasound has what kind of effects
on fetal? - ANSWER NO ADVERSE effects on fetal outcome or birth weight or
any other measurement
Best study is - ANSWER prospective and randomized
To do a study what must we keep in mind? - ANSWER The potential benefits
should outweigh the risks
AIUM suggests 2 things: - ANSWER Do not perform studies without reason
Do not prolong studies without reason
Cavitation - ANSWER bursting of bubbles
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 StudySet. 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)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now