Figure 11- 1 The Neuron
Use Figure 11- 1 to answer the following questions:
-IPSPs inhibitory postsynaptic potentials)
A) are local depolarizations.
B) block the efflux of potassium ions.
C) increase membrane permeability to sodium ions.
D) are local hyperpolarizations.
E) block the efflux of calcium ions.

Question

Figure 11- 1 The Neuron
Use Figure 11- 1 to answer the following questions:
-IPSPs inhibitory postsynaptic potentials)
A) are local depolarizations. 
B) block the efflux of potassium ions. 
C) increase membrane permeability to sodium ions. 
D) are local hyperpolarizations. 
E) block the efflux of calcium ions.

Quizplus · Accepted Answer

IPSPs are local hyperpolarizations that make the postsynaptic neuron less likely to fire an action potential by increasing membrane permeability to ions like chloride, leading to a more negative membrane potential.

Figure 11- 1 the Neuron