When a Neurotransmitter Binds to Its Receptor and Increases the Permeability

question 123

Multiple Choice

When a neurotransmitter binds to its receptor and increases the permeability of the postsynaptic membrane to Na⁺,

• A) the membrane will be hyperpolarized.
• B) more Cl⁻ will also diffuse into the cell.
• C) an excitatory postsynaptic potential (EPSP) will result.
• D) the membrane will become impermeable to K⁺.
• E) Na⁺ diffuses out of the cell.

---

Definitions:

Cape Of Good Hope

A rocky headland on the Atlantic coast of the Cape Peninsula in South Africa, historically significant as a waypoint on the sea route to the East.

The East

A term often used to refer collectively to the regions of Asia, including the Middle East, often distinguished from Western countries.

Vikings

Norse explorers, warriors, merchants, and pirates from Scandinavia who raided, traded, explored, and settled across parts of Europe, the North Atlantic, and even reached North America, from the late 8th to early 11th centuries.

Columbus

Christopher Columbus, an Italian explorer who sailed across the Atlantic Ocean in 1492, credited with discovering the New World for Europe.