Download Transmission of Nerve Impulses Objectives: Define action potential

Transmission of Nerve Impulses
Objectives:
 Define action potential and explain how they are generated
 Describe how impulses are transmitted across the synapse
Directions:
1. Half the group (shoulder partners) will work on action potential (blue and
pink cards) and the other half will work on Transmission at synapse (yellow
cards)
2. You may use your notes, or the power point on the nervous system to help
you with your task. The power point contains more graphics and tutorial
videos if needed.
3. Task:
Action Potential (pink and blue cards)
1. Match the terms to the definitions of the blue cards (check )
2. Order the sequence of events on pink cards (check)
3. Transfer your information onto your IAN – sequence of events p.164 and
definitions p.165
4. Switch cards with the other group
Synapse (yellow cards)
1. Order the sequence of events in the synapse using the yellow cards
2. Label the diagram
3. Transfer information into notebook – diagram p.166 and sequence of
events p. 167
Questions p. 168 IAN
1. Describe what an action potential is including when they occur and what
is meant when a cell membrane is said to be polarized.
2. How are impulses transmitted across the synapse?
3. Why is the transmission of nerve impulses referred to as an
electrochemical event?
Video
Mouse Party Activity
As a group you will focus on one drug and create a poster that includes
some background information on the drug, how the drug affects the
normal transmission of nerve impulses, and the physical effects of the drug.
You can find some of the physical effects of some of the drugs here:
http://learn.genetics.utah.edu/teach under Drugs of Abuse