What are the ciliated CNS neuroglia cells that play an active role in the production of cerebrospinal fluid?
A) ependymal cells
B) astrocytes
C) oligodendrocytes
D) microglia
A
Explanation:
B) Astrocytes do not produce cerebrospinal fluid.
C) Oligodendrocytes do not produce cerebrospinal fluid.
D) Microglia do not produce cerebrospinal fluid.
You might also like to view...
The countercurrent multiplier is a system by which the
A. nephron loop multiplies the concentration of salts in the interstitial fluid of the kidney medulla. B. nephron loop dilutes the concentration of solutes in the tubular fluid at its hairpin turn. C. vasa recta secretes multiple amounts of metabolic wastes against their concentration gradient. D. vasa recta becomes more concentrated with nitrogenous wastes than the urine.
An exergonic chemical reaction
A) converts substrates into products that have more free energy. B) requires an enzyme in order to overcome the activation energy. C) releases energy as the reaction progresses. D) requires the input of energy.
The spleen clears the lymph that passes through it of bacteria and other foreign matter
Indicate whether the statement is true or false
The central cavity of a tooth is filled with
A. dentin. B. enamel. C. cementum. D. calcium phosphate. E. pulp.