Category: I
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Vaginal opening
Introitus.
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Item card
Before computerized data storage, a card that used a standardized format for preparing, storing, and retrieving test items from the item bank.
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Item bank
In testing and evaluation, a collection of test items that are systematically stored and easily retrieved as needed by individual teachers so that they may devise and create tests for specific purposes by using previously designed and tested test items.
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Issue
A matter or question disputed between two contending parties. Both issues are neither right or wrong; only the evidence used to support the contention is right or wrong. Issues are usually settled by the weight of the evidence.
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Isotope
An element of a chemical character identical with that of another element, occupying the same place in the periodic table but differing from it in other characteristics, as in radioactivity or in the mass of its atoms. A form of a chemical element which has the same chemical properties as other forms but a different…
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Isotonic exercise
Those activities that are characterized by placing resistance on a muscle or group of muscles but gradually allowing the muscle to move through its full range of motion.
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Isomorphism
The degree to which two things are seen as identical in form. The condition of two or more objects being alike in shape or structure. It can exist at any structural level, from molecules to whole organisms. A condition marked by possession of the same form.
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Isometric exercise
Those activities characterized by pushing or pulling against an immovable object or against other muscles, isotonic exercise; isokinetic exercise.
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Isolation of variables
A mental process that allows one to distinguish which variable is causally related to another and which is not.
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Isolate
Social isolate. To keep one person apart from others because he or she has a dangerous infectious disease. To identify a single virus, bacterium or other pathogen among many. To separate or quarantine from contact with other persons, as during an infectious disease.