QUESTION 5 Under which circumstances is the Goldman equation equivalent to the N

Question

QUESTION 5 Under which circumstances is the Goldman equation equivalent to the Nernst equation? O a. When a is permeable to only one ion Whena When a membrane is permeable to multiple ions CWhen the membrane is permeable to positively charged ions only d. eWhen permeability of the membrane is different for different ions QUESTION 6 Which statement best describes the Nernst equation? Oa. It relates the equilibrium potential of an ion to its intracellular concentration. b trelates the equilibrium potential of an ion to its extracar cocentration. It relates the equilibrium potential of an ion to its intra- and extracelular concentrations. d It relates the equilibrium potentials of multiple ions to their intracellular concentrations. eIt relates the equilibrium potentials of multiple ions to their intra- and extracellular concentrations Of. none of the above

Explanation / Answer

Ans 5 : b) when the membrane is permeable to multiple ions

There are two Goldman's equation : goldman's voltage equation and goldman's current equation.

Both of these equations can be derived from the nernst equation when the constant field assumption is used.

It applies only on the situations where more than one ion species are present on both the sides of membrane which is permeable to multiple ions.

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