PO₂ Electrodes Are Often Polished Using a Coarse Material Such

question 28

Multiple Choice

PO₂ electrodes are often polished using a coarse material such as pumice to:

• A) Remove blood or protein debris.
• B) Remove metal ions plated out on the platinum wire.
• C) Refresh the sensitive quartz glass membrane.
• D) Reduce the actual amount of O₂ reaching the electrode tip.

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Definitions:

Telegraphic Speech

A stage in language development where children speak in short, simple combinations of words, omitting smaller parts of speech.

Semantics

Semantics is the study of meaning in language, including the analysis of words, phrases, signs, and symbols and their relation to what they stand for or represent.

Morphemes

The smallest grammatical units in a language that carry meaning. Morphemes can be full words (free morphemes) or elements that can't stand alone (bound morphemes).

Syntax

The set of rules, principles, and processes that govern the structure of sentences in a given language, especially in terms of word order.