An Item-Difficulty Index of 1 Occurs When

question 56

Multiple Choice

An item-difficulty index of 1 occurs when

• A) all examinees answer the item incorrectly.
• B) all examinees answer the item correctly.
• C) examinees are evenly divided between correct and incorrect responses.
• D) None of these

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Definitions:

DA Equations

Short for Drug Amount equations, these are mathematical formulas used to calculate the precise amount of a medication required for a patient, based on various clinical factors.

Gravity Device

A tool or apparatus designed to utilize the force of gravity for various purposes, often medical or scientific.

DF10 Administration Set

A medical device used for the administration of fluids and medications via infusion, designed with a specific flow rate.

LRS

Lactated Ringer's Solution, an isotonic fluid commonly used for intravenous hydration and electrolyte balancing.