_______________ Is a Measure of the Smallest Amount of Energy

question 316

Multiple Choice

_______________ is a measure of the smallest amount of energy a person can reliably detect.

• A) Absolute threshold
• B) Difference threshold
• C) Just noticeable difference (jnd)
• D) Sensory sensitivity

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Definitions:

Blood Ph

The measure of the acidity or alkalinity of the blood, typically maintained within a tight range around a neutral pH of 7.4.

CO₂

Carbon dioxide, a colorless gas produced by burning carbon and organic compounds and by respiration. It is absorbed by plants in photosynthesis.

Vasoconstriction

The narrowing of blood vessels, which increases blood pressure by reducing the volume or space inside the vessels.

Respiratory Centers

Brain regions that regulate the rate and depth of breathing, located primarily in the medulla oblongata and pons.