Paul Is 45

question 114

Multiple Choice

Paul is 45. He recently purchased reading glasses because he was unable to read the fine print on his medication bottle. What is most likely the cause of his visual difficulty?

• A) myopia
• B) cataracts
• C) glaucoma
• D) presbyopia

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Definitions:

Rung Goes False

In ladder logic programming for PLCs, this refers to the condition where the conditions for a particular rung are not met, leading to a false or "off" state.

CTD Counter

A "Count Down" counter that decreases its value by one each time it is triggered, often used in PLC programming.

False To True

Describes a condition or signal change from an off (false) state to an on (true) state, often used in digital logic or control systems.

Transition

A change or movement from one state, condition, or phase to another.