How Would a Chemical That Prevents the Opening of Voltage-Regulated

question 130

Multiple Choice

How would a chemical that prevents the opening of voltage-regulated Na+ channels affect the function ofa neuron?

• A) The neuron will only be able to hyperpolarize.
• B) The neuron will depolarize more rapidly.
• C) Action potentials will lack a repolarization phase.
• D) The neuron will automatically and repeatedly produce graded potentials.
• E) The neuron will only be capable of producing graded potentials.

---

Definitions:

Market Yield

The interest rate that investors demand for buying securities currently available in the market.

Semiannually

Pertains to an event or action occurring twice a year, typically every six months.

Maturity

The period of time or deadline after which an obligation, such as a bond or loan, must be repaid in full.

Call Provisions

Conditions under which a bond issuer can retire the bond before it matures.