The Cells That Create the Blood-Brain Barrier, Keeping Some Toxic

question 109

Multiple Choice

The cells that create the blood-brain barrier, keeping some toxic substances from entering the brain, are _______ and belong to a type of neural tissue called _______.

• A) endothelial cells; Schwann cells
• B) astrocytes; glia
• C) glial fibers; axons
• D) dendrites; synapses
• E) oligodendrocytes; glia

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Definitions:

Parathyroid Glands

Small endocrine glands in the neck that produce parathyroid hormone (PTH), which regulates calcium levels in the blood and bone metabolism.

Spherical Follicles

Round-shaped structures, especially those found in the ovary that contain immature eggs in females.

Thyroid Gland

An endocrine gland located in the neck, which produces hormones like thyroxine and triiodothyronine, regulating metabolism and energy use.

Antagonistically

In a manner opposing or inhibiting the action of something, often referring to muscles or drugs working opposite to each other.