RADT 1200 Chapter 2 Test Questions and Answers All Correct
3 views 0 purchase
Course
RADT 1200
Institution
RADT 1200
RADT 1200 Chapter 2 Test Questions and Answers All Correct
What are the two largest sources of artificial radiation - Answer--radiography and fluoroscopy
-computed tomography procedures
Exposure to human made radiation in medical applications continue to ________ - Answer-increase rapidly
...
RADT 1200 Chapter 2 Test
Questions and Answers All
Correct
What are the two largest sources of artificial radiation - Answer--radiography and
fluoroscopy
-computed tomography procedures
Exposure to human made radiation in medical applications continue to ________ -
Answer-increase rapidly
Patient dose for each exam varies according to ______ - Answer-the facility providing
imaging services
The amount of radiation received by a patient from diagnostic x ray procedures may be
indicated by: - Answer-- entrance skin exposure
-bone marrow dose
-gonadal dose
Radiation refers to kinetic energy that ____ - Answer-passes from one location to
another and can have many manifestations
What is frequency measured in - Answer-Hertz (Hz)
What is wavelength measured in - Answer-meters (m)
Higher frequencies are associated with ____ - Answer-shorter wavelengths and higher
energies
Radiation quantity such as equivalent and absorbed dose inly applies to _______ -
Answer-ionizing types of radiation
Radioactive decay - Answer-a naturally occurring process in which unstable nuclei
relieve instability by various types of nuclear spontaneous emissions
As an external source of radiation alpha particles: - Answer-are considered virtually
harmless
, As an internal source of radiation alpha particles: - Answer-can be absorbed in relatively
radiosensitive epithelia tissue and are very damaging
If excessive cellular damage occurs from ionizing radiation the living organism has a
higher chance of developing: - Answer-- mutations
-cataracts
-leukemia
changes in blood count are classic examples of _____ that results from non-negligible
exposure to ionizing radiation - Answer-organ damage
Sv of 0.25 results in - Answer-blood changes
Sv of 1.5 results in - Answer-nausea, diarrhea
Sv of 2.0 results in - Answer-erythema or redness
Sv of 2.5 results in - Answer-temporary sterility
Sv of 3.0 results in - Answer-50% chance of death
Sv of 6.0 results in - Answer-death
37% of natural background radiation exposure comes primarily from: - Answer-radon
and a smaller amount of thoron
radon initially does not cling to other particles and acts as a free agent that floats around
soil and is referred to as a ____ - Answer-noble gas
because radon acts as a noble gas the natural flow can ______ - Answer-draw radon
into the lower levels of homes and permeate upward through structures and become
solid particles
radionuclide - Answer-an unstable nucleus that emits one or more forms of ionizing
radiation to achieve greater stability
radioactive nuclides that exist in small quantities in the human body are: - Answer--
potassium
-carbon
-hydrogen
-strontium
the amount of radiation actually received by a patient from a diagnostic x ray procedure
may be indicated in terms such as: - Answer--entrance skin exposure
-bone marrow dose
-gonadal dose
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 Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.39. You're not tied to anything after your purchase.
