# check!

Posted by Anonymous on Thursday, February 22, 2007 at 12:20pm.

The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s).
Event 1: Positive ions flow into the neuron.
Event 2: The resting potential of the cell membrane is restored.
Event 3: The cell membrane becomes more permeable to Na+ than to K+.
Event 4: More positive ions accumulate on the outside than on the inside of the neuron.
Event 5: The ion pumps transport Na+ out of the neuron and K+ into the neuron.
1. Which order of events first describes the resting membrane and then the sequence of events as a nerve impulse occurs?

a) 1,3,4,5,2
b) 1,5,3,4,2
c) 4,3,1,5,2
d) 4,5,3,4,2

2. The events from the statement that describe polarization, depolarization, and repolarization respectively are
a) 1,4,2
b) 1,5,2
C) 4,1,2
d) 4,5,1
my asnwer is D
are these correct??

1. 0
2. 0
3. 20

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