What Is Caffeine's Primary Action

question 52

Multiple Choice

What is caffeine's primary action?

• A)contraction of the heart
• B)stimulation of CNS activity
• C)elevation of basal metabolism
• D)stimulating effect on respiration

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Definitions:

Somesthetic Senses

A group of senses that includes the sensations of touch, temperature, body position, and pain, originating from muscles, joints, skin, and other internal receptors.

Olfactory Receptor

Specialized cell or neuron responsible for detecting odors, situated in the nasal epithelium.

Throat

The anterior part of the neck, fronting the vertebral column, consisting of the pharynx and larynx, and containing the vocal cords and the passages for air and food.

Müller-Lyer Illusion

A visual illusion where lines of the same length appear different in length due to arrow-like figures at their ends.