The glial cells that help produce and circulate cerebrospinal fluid in the CNS are
a. satellite cells.
b. microglia.
c. ependymal cells.
d. astrocytes.
c. ependymal cells.
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Receptors that relay thermal information to the temperature control centers include
a. peripheral warm and cold thermoreceptors in the skin. b. central thermoreceptors in the hypothalamus. c. central thermoreceptors in internal organs. d. both (a) and (b) above. e. all of these answers.
In spinal reflex pathways, motor neurons receive inputs from
a. sensory afferents and/or internurons. b. cortical neurons whose cell bodies reside in the primary motor cortex. c. cortical neurons whose cell bodies reside in the somatosensory cortex. d. cerebellar neurons. e. brain stem neurons.
Which lymphatic organ is located in the left hypochondriac region?
A. Thymus B. Appendix C. Tonsils D. Spleen E. Liver
. In communications theory, _____ is the idea that the media define what is important and what is not by which stories they cover.
A. agenda setting B. cultivation C. ethnocentrism D. social learning