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1) as an object moves closer to the eye, the ciliary muscle ________ making the lens
________ in order to keep the object in focus.
2) the decrease in blood pressure upon standing is known as ________.
3) the term for two hormones that have additive effects is ________.
4) your study partner has concluded that a single action potential, once initiated, spreads
down the length of an axon, non-decrementally; similarly, a single graded potential
spreads down the length of a dendrite, but with decrement. is she completely correct?
explain. how can the mechanism of decremental and non-decremental conduction help
her sort this out? how is the process different in myelinated vs. unmyelinated neurons?
how may the dominoes analogy help her to understand signal propagation?
5) what are ryanodine receptors? what type of tissue are they present in? are all
ryanodine receptors regulated in the same way? explain your answer.
