Apologia Advanced Biology Module 7 | Baamboozle - Baamboozle

Name a toxin that can cross the blood brain barrier?

alcohol and street drugs (p204)

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What is the difference between the sympathetic and parasympathetic nervous systems.

Sympathetic - fight or flight, parasympathetic - rest and repose (digestion, urination)

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What does the author relate the resting potential of a neuron to?

A set mouse trap at rest but ready to spring (p210)

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describe the differences between unipolar, bipolar and multipolar neurons.

Unipolar-one process coming off the cell body(afferent nerves),bipolar-two processes (neurons in the retina),multipolar-many processes(efferent, motor neurons..

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seesaw

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magnet

Take 20 points!

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shark

Other team loses 15 points!

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baam

Lose 5 points!

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Does a neuron at rest have a potential difference between the inside and the outside of the cell?

Yes according to the book a typical potential difference is -85mV, according to the video an average potential difference is -70mV

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If neurons can’t perform mitosis, where do brain tumors come from?

The glial cells (neuroglia) a tumor is an overgrowth of cells (p203)

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If a stimulus causes an all or nothing action potential, how can we feel the difference between something warm and something hot?

The frequency of the action potentials

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describe the differences between converging, diverging and oscillating circuits.

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seesaw

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rocket

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rocket

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banana

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What neurons can heal and under what conditions?

PNS, nerves with Schwann cells, provided the cell body is alive and the axon is relatively lined up. (p208)

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What is the difference between depolarization and repolarization

depolarization- Na channels open in response to a stimulus. Na rushes into the cell. Repolarization -Na channels close and K rush out of the cell.

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monster

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star

Double points!

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shark

Other team loses 5 points!

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lifesaver

Give 25 points!

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What is the somatic nervous system?

the system that transmits action potentials from the CNS to the skeletal muscles

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What are cranial nerves?

a set of twelve nerves that originate in the brain and are responsible for sense or movement in the head, neck, and facial regions

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What neuroglia make cerebrospinal fluid?

Ependymal cells (non ciliated) ependymal cells line the passages in the brain where CSF flows (p203) ciliated move the fluid around

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