What Type of Cells Helps Prevent Toxic Substances in the Bloodstream

question 17

Multiple Choice

What type of cells helps prevent toxic substances in the bloodstream from entering the brain?

• A) Bipolar neurons.
• B) Unipolar neurons.
• C) Astrocytes.
• D) Oligodendrocytes.
• 2-12

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Definitions:

Steroids

A class of lipophilic organic compounds with four fused carbon rings, playing various roles in the body, including as hormones and vitamins.

Limiting Factor

An environmental condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

Nutrient

A substance that provides nourishment essential for the growth and maintenance of life.

Nitrites

Compounds containing the nitrite ion, NO2−, often used in food preservation and potentially harmful in high concentrations.