Small, wandering cells that engulf cell debris and pathogens in the CNS are called

A) astrocytes.
B) satellite cells.
C) oligodendrocytes.
D) microglia.
E) ependymal cells.


Answer: D

Anatomy & Physiology

You might also like to view...

Clenching the fingers to make a fist, then relaxing and straightening them, is an example of __________ followed by __________

A.  flexion; extension B.  extension; flexion C.  adduction; abduction D.  abduction; adduction E.  extension; hyperextension

Anatomy & Physiology

The __________ are considered the opening from the oral cavity to the oropharynx

A. fauces B. choana C. conchae D. fossae E. glossus

Anatomy & Physiology

Vasopressin

a. can completely halt urine production during periods of water deprivation to conserve water for the body b. activates the cyclic AMP second-messenger system within the tubular cells c. renders the distal and collecting tubules impermeable to water d. increases Na+ reabsorption by the distal portions of the nephron e. stimulates cells of the ascending limb of the loop of Henle to establish the medullary vertical osmotic gradient

Anatomy & Physiology

During hyperventilation, why do some people detect a tingling sensation in their hands and feet?

A) a decrease in carbon dioxide in blood B) an increase in carbon dioxide in blood C) widespread release of catecholamines D) hyperexcitability of afferent neurons E) a decrease in blood flow to the distal extremities

Anatomy & Physiology