What Permeability Changes Would You Expect to Occur at the Postsynaptic

question 419

Multiple Choice

What permeability changes would you expect to occur at the postsynaptic neuron when presynaptic neuron X is stimulated? (Remember that the postsynaptic neuron becomes hyperpolarized by presynaptic neuron X.)

• A)increased P_Na+ and P_K+
• B)increased P_K+ or P_Cl-
• C) increased P_A-
• D) increased P_Ca2+

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Definitions:

Effective Interest Method

A method of calculating the amortized cost of a bond or loan on the basis on an effective interest rate rather than the nominal rate.

Cash Interest

Interest payments made in cash to creditors or bondholders during a specific period.

Trading Securities

Shares or bonds that a company holds with the intention of selling them within a short period for a profit.

Unrealized Gain

A profit that exists on paper resulting from an investment that has not yet been sold for cash.