Technician a Says That a Reading of One Psi on a Pressure

question 10

Multiple Choice

Technician A says that a reading of one psi on a pressure gauge is equal to approximately 2-inches of Hg (mercury) measured on a manometer.Technician B says that one inch of Hg is equivalent to approximately 2-inches of H₂0 on a manometer.Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

High Amplitude Sleep

A sleep phase characterized by large and slow brain waves, indicative of deep sleep or slow-wave sleep.

Pineal Gland

A small endocrine gland in the brain involved in the regulation of sleep patterns through the secretion of melatonin.

Biological Clocks

Internal mechanisms in organisms that control the timing of biological functions and behaviors, helping to adapt to the day-night cycle.

Hormone

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.