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IHI PS 103 c. questions awith complete solutions 2024
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IHI PS 103 c. questions awith complete solutions 2024
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IHI PS 103Human factors is the study of - correct answer ✔Human factors is an
established science that uses many disciplines to understand how people
perform under different circumstances. This engineering discipline deals with
the interface of people, equipment, and the environment.
Which of the following is an example of unconscious processing by the brain?
- correct answer ✔Optical illusions and mistakes involving look-alike drugs
and names reflect unconscious processing by the human brain. Unconscious
processing is a fundamental part of human cognition that can lead to human
error even when people are trying their best. Safe systems take these known
characteristics of human cognition into account to help people do things the
right way.
When attempting to decrease the risk of error, it's important to use human
factors principles because - correct answer ✔Understanding how factors that
affect human performance (such as fatigue, stress, and poor lighting) affect
work and detract from one's ability to execute a safety-critical task (such as
administering a medication, filling a prescription, or writing an order) can help
you design processes and systems in ways that make them safer.
Which of the following types of errors is associated with controlled thinking? -
correct answer ✔Controlled thinking is when we consciously, often slowly,
solve problems and make decisions. This is when errors of planning can
occur, also known as "mistakes." In comparison, automatic thinking is rapid,
effortless thought, during which we are vulnerable to what experts call skill-
based errors, which include errors of execution or memory storage.
At the end of a double shift, an experienced nurse with an excellent track
record gives a medication to the wrong patient. Based on human factors
principles, what would you guess was the biggest contributor to this error? -
correct answer ✔The nurse was most likely fatigued after a double shift,
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