The parasympathetic ganglion that serves the eye is the ________.
A) ciliary ganglion
B) pterygopalatine ganglion
C) submandibular ganglion
D) otic ganglion
A) ciliary ganglion
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In a resting neuron, the area just inside of the cell membrane is more _____ than the area just outside of the cell membrane.
A. positive B. negative
Answer the following statements true (T) or false (F)
1. The iris is actually an involuntary muscle in the choroid layer. 2. In very dim light the circular fibers of the iris contract, causing the pupil to dilate. 3. Presbyopia is a term for the nearsightedness of old age. 4. Cataracts may be caused by exposure to the ultraviolet radiation of the sun. 5. A cataract is a condition in which the cornea becomes less transparent and “milky” in appearance.
The glycocalyx is made of mostly glycoproteins and ________.
Fill in the blank(s) with the appropriate word(s).
Microglia are
A) specialized motor neurons in the peripheral nervous system. B) star-shaped cells that help form the blood-brain barrier. C) specialized macrophages of the CNS that mobilize in response to inflammation. D) found in choroid plexuses, and produce cerebrospinal fluid.