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BIO 2301 LECTURE EXAM 1 STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

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BIO 2301 LECTURE EXAM 1 STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

Institution
BIO 2301
Course
BIO 2301

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Delta


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(0.5-2 Hz) high amplitude - N3 sleep only (slow wave sleep), "synchronized"
wave activity




prebyopia this makes it difficult to focus the eye on _______________


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near-by objects




what is the fovea centralis ?

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small area in center of macula lutea without neural structures in the light
path. sharpest vision; color




R (REM sleep)


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rapid eye movement, dreaming sleep, motor activity inhibited in brain stem,
high/mixed frequency low amplitude EEG




Reflexive


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learned response in which a stimulus produces an immediate response.




Serotonin


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pacemaker-like cycles, high frequency when awake, lower in non-REM
sleep, stopped during REM sleep, alertness, sensation, emotions




Pitch Discrimination

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different hair cells are sensitive to different frequencies




Abstract memory Consolidation requires


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focused attention, increased time in short term mem., must be driven by
self-motivation




what are cones?


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color vision




iodopsin


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two component light sensitive chemical similar to rhodopsin




Assume NT "A" opens a __________ __________ ________ _________ when presynaptic cell secretes
"A", it diffuses across synapse and opens Na+ channels Na+ flows into cell causing

, __________________. Assume NT "B" opens a ligand gated Cl_ channel when _______________ cell
secretes "B", it diffuses across synapse and opens ___ _______________


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ligand gated Na+ channel, depolarization, presynaptic, Cl- channels




presbyopia


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with age, the lens becomes less flexible and fails to become more round
even when not under tension




Taste and Olfaction are our two external __________________ senses


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chemoreceptive




Examples of positive feedback


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immunity, blood clotting

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