PS 103 Questions and Answers Already
Graded A
lesson 1 ✔✔x
Human factors is the study of: ✔✔All of the above
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? ✔✔A and C
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: ✔✔If you understand the factors that affect human performance on critical tasks, you
can design a safer system.
You visit the local convenience store looking for a refreshing drink on a pleasant day. You know
that you want a new type of cola beverage you've heard advertised on the radio, and reach into
the refrigerator for what you think is the caffeine-free version of that cola. After you pay, pop the
can, and begin drinking, you find that you purchased the sugar-free version instead (whoops!).
What most likely contributed to this error? ✔✔Look-alike cans/labels
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? ✔✔The nurse was prone to error because she was tired.
Human factors is the study of: ✔✔All the factors that make it easier to do work in the right way
You visit the local convenience store looking for a refreshing drink on a pleasant day. You know
that you want a new type of cola beverage you've heard advertised on the radio, and reach into
the refrigerator for what you think is the caffeine-free version of that cola. After you pay, pop the
Graded A
lesson 1 ✔✔x
Human factors is the study of: ✔✔All of the above
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? ✔✔A and C
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: ✔✔If you understand the factors that affect human performance on critical tasks, you
can design a safer system.
You visit the local convenience store looking for a refreshing drink on a pleasant day. You know
that you want a new type of cola beverage you've heard advertised on the radio, and reach into
the refrigerator for what you think is the caffeine-free version of that cola. After you pay, pop the
can, and begin drinking, you find that you purchased the sugar-free version instead (whoops!).
What most likely contributed to this error? ✔✔Look-alike cans/labels
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? ✔✔The nurse was prone to error because she was tired.
Human factors is the study of: ✔✔All the factors that make it easier to do work in the right way
You visit the local convenience store looking for a refreshing drink on a pleasant day. You know
that you want a new type of cola beverage you've heard advertised on the radio, and reach into
the refrigerator for what you think is the caffeine-free version of that cola. After you pay, pop the
