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White matter: Quiz

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Question 1: Its white color is due to its usual preservation in ________.
FormaldehydeSucralose3-MCPDMelamine

Question 2: White matter forms the bulk of the deep parts of the brain and the superficial parts of the ________.
Nervous systemGrey matterSpinal cordHuman brain

Question 3:
How do you write White matter in latin?
substantia perforata posterior, substantia perforata interpeduncularis
substantia gelatinosa centralis medullae spinalis
substantia alba
substantia gelatinosa cornu posterioris medullae spinalis

Question 4: posterior pituitary: magnocellular/Paraventricular/Supraoptic (________/vasopressin)
OxytocinCarbetocinDemoxytocinOxytocinergic

Question 5: White matter tissue of the freshly cut brain appears pinkish white to the naked eye because myelin is composed largely of lipid tissue veined with ________.
CapillaryArteryCirculatory systemHeart

Question 6: Note that White matter can sometimes appear darker than Gray matter on a microscope slide because of the type of ________ used.
Methylene blueStainingSilver stainMasson's trichrome stain

Question 7: White matter is composed of bundles of myelinated nerve cell processes (or ________), which connect various grey matter areas (the locations of nerve cell bodies) of the brain to each other, and carry nerve impulses between neurons.
Alpha motor neuronNervous systemSchwann cellAxon

Question 8: The total number of long range fibers within a cerebral hemisphere is 2% of the total number of cortico-cortical fibers and is roughly the same number as those that communicate between the two hemispheres in ________.
Anterior commissureCerebrumSeptum pellucidumCorpus callosum

Question 9: A third colored component found in the brain that appears darker due to higher levels of ________ in dopaminergic neurons than its nearby areas is the substantia nigra.
DNAHuman skin colorRed hairMelanin

Question 10: White matter is one of the two components of the central nervous system and consists mostly of myelinated ________.
Alpha motor neuronNeuronSchwann cellAxon







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