Which type of cell is responsible for supporting the function of neurons?
A) GABA
B) glial
C) epithelial
D) dedrocytes
Answer: B
Rationale: Glial cells are specialized cells of the nervous system that are involved in mounting immune responses in the brain, removing wastes, and synchronizing activity of the billions of neurons comprising the nervous system. Myelin is also made from glia cells.
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The major organ(s) responsible for metabolizing nicotine is (are) the __________
a. liver b. kidneys c. lungs d. pancreas
Cigarette smoking:
a. has increased in frequency over the past two decades, in spite of antismoking campaigns b. introduces a central nervous system depressant to the brain c. does not produce an addiction, although it is a habit that is difficult to break d. during pregnancy is associated with an increased risk of birth defects
Shay suffers from a wasted condition of the body caused by a diet low in all essential nutrients. Shay most likely has
A) iron-deficiency anemia. B) kwashiorkor. C) nonorganic failure to thrive. D) marasmus.
Controlled tasks require ______ than automatic tasks do.
A. more shadowing B. less attention C. more attention D. less integration