Chemical Substances in the Nervous System That Are Similar in Structure

question 360

Multiple Choice

Chemical substances in the nervous system that are similar in structure and in action to opiates-such as heroin and morphine-are:

• A) hormones.
• B) endorphins.
• C) androgens.
• D) neurotransmitters.

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Definitions:

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to light, making them crucial for vision in low light conditions.

Frequency

The frequency at which an event happens within a specific time frame or sample size.

Visible Light

The portion of the electromagnetic spectrum that is visible to the human eye, ranging approximately from 380 to 750 nanometers in wavelength.

Ganglion Cells

Neurons located in the retina that relay visual information from photoreceptors to the brain via the optic nerve.