NPB101L Practical Review

Blood presure map central venous pressure

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Unformatted text preview: a&on Orthodromic An&dromic H- wave M- wave (B) Effect of an increase in s&mulus frequency •  Increasing s&mulus frequency will cause H- wave to ____________ DECREASE WHY? Renshaw cells •  At higher frequency, α- MN cannot recover from Recurrent Inhibi&on caused by Renshaw cells making the α- MN less responsive to IA afferent s&mula&on Part 2 : Ves-bulo- ocular Reflex (A) Sensing angular accelera&on/decelera&on •  Spun slowly in chair with eyes closed Condi-on Perceived Direc-on Start of Spin WITH SPIN Middle of Spin NO MOVEMENT End of Spin OPPOSITE SPIN WHY? •  When accelera&ng endolymph causes hair cells to bend sending signals through ves&bular nerve to brain •  Endolymph moves slower than body •  At a constant velocity hair cells don’t bend so no movement is felt •  When dec...
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This note was uploaded on 03/28/2013 for the course NPB 101L taught by Professor Goldberg during the Winter '08 term at UC Davis.

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