Health Informatics
What are secondary uses (or re-uses) of healthcare data
-quality reports -public health -research
Networks are named by which of the following characteristics (select all that apply):
-size -connection method -configuration
Aggregated content is developed for only one type of user, e.g. the clinician.
False
Consumer Health Informatics is a field of informatics which focuses on the healthcare provider's point of view
False
In comparison to WAN's have a limited geographic area
False
In the TF*IDF weighting formula, TF refers to the term frequency and IDF refers to international disease reference.
False
Output devices are not important parts of computer hardware
False
Which of the following represents healthcare knowledge?
HIV infection leads to opportunistic infections
[answer] measures the probability that a patient will have the disease if they have a positive diagnostic test. (must spell correctly for credit)
Positive Predictive Value
A clinical datum is a single observation of a patient. Multiple observations about a patient are considered clinical data.
True
An ideal test would have no values where the distribution of people with the disease and people without the disease overlap.
True
Computers do not represent meaning
True
Electronic health records contain both structured and unstructured data
True
Ethernet networks are faster, less expensive and more secure than wireless networks.
True
In medicine, probability can be used as a method to express uncertainty in disease diagnosis
True
Information can be thought of as meaningful and/or organized data and facts from which conclusions can be drawn.
True
Information is organized data from which conclusions can be drawn
True
REST stands for Representational State Transfer and is an architecture not a standard
True
The definition or idea of what is considered a "computer" is evolving with changes in technology
True
Translational Bioinformatics is a field of informatics which focuses on transformation of biomedical data, including genomic data, into knowledge which can be used in the clinical and public health domains.
True
Various disciplines have contributed to the birth and evolution of biomedical informatics, including computer science, medicine, information science, cognitive science, and others.
True
A Global Area Network (GAN) is associated with which of the following attributes?
Unlimited geographic area
Which network is likely to be used by a physician accessing his/her work EHR remotely
VPN
Which network is likely to be used by a physician accessing his/her work EHR remotely?
VPN
Which of the following represents a datum?
a singular observation
False Negative
a test result indicating that a condition is not present (negative) when in fact it is present (therefore false).
False Positive
a test result that comes out positive when it should not; often caused by comtamination or failure to run a control.
In regards to long-term computer data storage, which type of storage is used to store data for documentary or legal purposes which is typically not needed urgently.
archival storage
Knowledge
believed to be true
_____________ includes journal articles, letters to editors, reviews, such as what is indexed in MEDLINE
bibliographic content
Structured Data
billing or diagnosis
The most fundamental unit of information in a computer is discrete and called a
binary digits
Imaging you are graduating with a degree in Health Informatics, name a career field you could pursue. ***HINT: It must be a career in Health Information, Health Information Technology, or Health Informatics and spelled correctly for credit.
clinical systems analyst
According to the AMIA links from your readings, the "Science of Health Informatics" draws from a large number of other science fields, name 2 science fields:
computer science and decision science
Gold Standard
definitive test
Unstructured Data
free text in EHRs
Internet of Things (IoT)
huge network of connected devices including smart medical sensors
Sensitivity
likelihood that a test will identify a patient with a disease or illness
Specificity
likelihood that a test will not identify disease in normal patient
Database
logically organized collection of data
Information
meaningful data
GAN
network with unlimited geographic area
Datum
observation
Name the measurement used in information retrieval (IR) which answers the question: "For a search, what fraction of retrieved documents are relevant?"
precision
Positive Predictive Value (PPV) is statistically a
probability
Select the reasons why physicians use screening tests instead of simply using "gold standard" (reference standard) tests:
screen tests are generally less invasive and screening tests can be used on large populations to look for potential disease
Relational database management systems link records to __________
tables
True Negative
test is negative and patient does not have disease
True Positive
test positive and have the disease
CPU
the brain or main processing unit of the computer
Servers
this hardware many transactions across a network
Name the security protocol discussed in the lecture and your book which is used by virtual private networks?
tunneling protocols
Screening Test
typically less invasive and less expensive
RAM
used to store data and run programs and requires continuous power to run it
WLAN
uses unlicensed frequencies to operate
Name 3 of the "V"s which the textbook uses to define Big Data?*
volume, velocity, variety