0.01% Is Equivalent to Which of the Following

question 52

Multiple Choice

0.01% is equivalent to which of the following?

• A)100 ppm
• B)100 ppb
• C)0.000001 ppm
• D)0.000001 ppb
• E)None of these.

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Definitions:

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in the regulation of mood, sleep, and appetite.

Substance P

A neuropeptide involved in the transmission of pain and other sensory signals to the brain, also implicated in inflammatory processes.

Endorphins

Neurotransmitters produced by the nervous system to cope with pain or stress, often described as "natural painkillers."

Sodium Ions

Charged particles of sodium, essential for the electrical signaling in nervous system and regulation of blood pressure.