Which type of glial cells of the CNS wraps around neurons to isolate them from chemicals present in the interstitial fluid?

A) microglia
B) astrocytes
C) oligodendrocytes
D) ependymal cells


C
Explanation:
A) Phagocytic microglia keep the CNS "clean."
B) Astrocytes attach blood vessels to neurons or anchor neurons in place.
D) Ependymal cells assist in the production of cerebrospinal fluid.

Anatomy & Physiology

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Fill in the blank(s) with correct word

Anatomy & Physiology

A drug that inhibits angiotensin-converting enzyme (ACE) may lead to:

A) decreased blood pressure. B) increased blood volume. C) increased secretion of aldosterone. D) increased sodium reabsorption.

Anatomy & Physiology

Atropine is an agonist to nicotine.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which example fits? "A sensation is ________ , and projection of a sensation is ________."

A. a Pacinian corpuscle being stimulated to generate an action potential upon stretch stimulation; the transmission of that impulse into the brain B. a change in membrane permeability of a receptor; transmission of an impulse into a sensory area of the brain C. nociceptors sending pain signals about tissue damage from a bee sting on your finger; the brain recognizing that the pain is from your finger D. the sweet taste of ice cream on your tongue; the right side of the brain projecting the sweet taste to the left side, or vice versa

Anatomy & Physiology