Demyelination
A) is the addition of myelin to the axon.
B) only affects Schwann cells.
C) is the gradual reduction in myelin.
D) is the thickening of the myelin sheath.
E) only affects oligodendrocytes.
C) is the gradual reduction in myelin.
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Where can pyruvate dehydrogenase be found?
a) Cytosol of the cell b) Plasma membrane c) Lysozyme d) Mitochondria e) Interstitial fluid
The ________ is an organ directly associated with the ________ and ________ systems.
A. ovary; female reproductive; lymphatic B. testis; male reproductive; urinary C. pancreas; digestive; endocrine D. small intestine; digestive; integumentary E. stomach; digestive; reproductive
Which of the following is not a function associated with the spinal cord?
A. Mediate a reflex, such as the withdrawal of a hand from pain B. Conduct motor information down the cord C. Conduct sensory information up to the brain D. Protect neurons in both the ascending and descending tracts E. Coordinate the alternating contraction of several muscle groups associated with locomotion
Photoreceptor cells (rods and cones) are different from other sensory receptors in that they are the only type that is relatively depolarized at rest
Indicate whether the statement is true or false.