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EEOB 2520 Exam 4 Practice Questions and Answers 100% Pass
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EEOB 2520 Exam 4 Practice Questions and Answers 100% Pass The graded potentials starting each myelinated section of axon ( i.e, end of each node) are ___ in size. The first action potentials at the start of each node (i.e, just after a myelinated section) are ___ in size. - ANSWER- Identical -...

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  • November 25, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • eeob 2520 exam 4 practice questions and answers 10

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EEOB 2520 Exam 4 Practice Questions and
Answers 100% Pass


The graded potentials starting each myelinated section of axon ( i.e, end of

each node) are ___ in size. The first action potentials at the start of each

node (i.e, just after a myelinated section) are ___ in size. - ANSWER✔✔-

Identical - identical


During an action potential, when the sodium channels inactivate, the

chemical gradient for potassium is in the ___ direction as potassium's

electrical gradient. At this point, we are told that potassium ___ the cell. -

ANSWER✔✔-Same - exits


The current measurement of a typical cell's membrane potential is -60 mV.

That cell should therefore be correctly categories as ___ and the likelihood

of an action potential occurring is ___. - ANSWER✔✔-Depolarized - not

able to be determined.


Scenario 1: one person standing on each goal line in the empty Shoe try to

talk to each other but neither can hear the other person. Scenario 2: nine
Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 1/6

, people are added. One on each 10-yard increment of the field. Now the

goal-line people can hear each other as their words are relayed through the

people between. Correctly applying the terminology of potentials, Scenario

1 would be like a(n) ___ potential Scenario 2 would be like a(n) ___

potential. - ANSWER✔✔-Graded - action


During anatomy lab, you dissect a group of axons in the cadaver's right

wrist. You correctly tell your lab partner that you are observing ___ cells

and parts of ___ neurons. - ANSWER✔✔-Schwann - afferent or efferent


A correct series of events during an action potential is - ANSWER✔✔-

Depolarization, threshold, repolarization




Sodium influx, potassium outflux


During an action potential, which type of channels are open at the peak

(i.e., highest amplitude) of the Vm? - ANSWER✔✔-The voltage-gated

sodium channels




The voltage-gated potassium channels.
Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 2/6

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