Trace Elements Are Those Required by an Organism in Only

question 11

Multiple Choice

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by all forms of life?

• A) arsenic
• B) iodine
• C) mercury
• D) iron

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Definitions:

Mild Sedative

A substance that induces sedation by reducing irritability or excitement at a minimal intensity.

Larger Dose

An increased amount or concentration of a substance or medication administered or taken at one time.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing restorative sleep, leading to daytime impairment.

Impaired Attention

A reduced ability to focus on a task or concentrate for a normal period, which can negatively impact performance and productivity.