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BIO 212 Exam 4 Iowa State Questions And Answers Real Updates

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BIO 212 Exam 4 Iowa State Questions And Answers Real Updates What is the action of acetylcholine and where is the site of action? ANS Action Site: Excitatory Neuromuscular junction some CNS pathways Acetylcholinesterase inhibitors, often used to treat neurobiological disorders: ANS Increase synaptic Transmission Researchers find a compound that when applied to neurons, activates a protein involved in vesicle fusion with a presynaptic membrane. This compound would: ANS Increase synaptic transmission Resting Potential ANS Na- and K- channels are closed K- is concentrated inside the cell Depolarization ANS Na- channels open in response to a stimulus Na-rushes into the cell Repolarization ANS Na- channels close and K- channels open K- rushes out of the cell Hyperpolarization ANS Na- and K- channels are closed Sodium/potassium pump moves Na- out and K- in Steps that Occur when an action Potential reach

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BIO 212 Exam 4 Iowa State Questions And Answers
Real Updates
What is the action of acetylcholine and where is the site of action? ANS Action Site: Excitatory

Neuromuscular junction some CNS pathways



Acetylcholinesterase inhibitors, often used to treat neurobiological disorders: ANS Increase synaptic
Transmission


Researchers find a compound that when applied to neurons, activates a protein involved in vesicle fusion
with a presynaptic membrane. This compound would: ANS Increase synaptic transmission



Resting Potential ANS Na- and K- channels are closed


K- is concentrated inside the cell



Depolarization ANS Na- channels open in response to a stimulus


Na-rushes into the cell



Repolarization ANS Na- channels close and K- channels open


K- rushes out of the cell



Hyperpolarization ANS Na- and K- channels are closed


Sodium/potassium pump moves Na- out and K- in



Steps that Occur when an action Potential reaches the axon terminal ANS 1. Action potential
(depolarization) opens voltage gated Ca++ channels

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