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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Modeling the delayed rectifier Potassium channels

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1. Why potassium channel of axon given the name delayed rectifier ?

a: Changes membrane conductance with a delay Explanation

Explanation

b: Changes membrane capacitance with a delay Explanation

Explanation

c: Changes membrane resistance with a delay Explanation

Explanation

d: None Explanation

Explanation

2. Which of these biophysical laws were used in membrane biophysics ?

a: Ohms Law Explanation

Explanation

b: Kirchoff first law Explanation

Explanation

c: Kirchoff second law Explanation

Explanation

d: All Explanation

Explanation

3. What stabilizes the membrane potential ?

a: Open potassium channels Explanation

Explanation

b: Open sodium channels Explanation

Explanation

c: Closed sodium channels Explanation

Explanation

d: Closed potassium channels Explanation

Explanation

4. The particles regulating the potassium channel according to Hodgkin and Huxley:

a: h Explanation

Explanation

b: m Explanation

Explanation

c: n Explanation

Explanation

d: all Explanation

Explanation

5. The size of the needed ionic flux depends on:

a: Volume of the cell Explanation

Explanation

b: Surface area of the cell Explanation

Explanation

c: Both Explanation

Explanation

d: none Explanation

Explanation

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