Each of the Following Is a Voltage-Gated Na⁺ Channel Property

question 28

Multiple Choice

Each of the following is a voltage-gated Na⁺ channel property except

• A)opens rapidly when stimulated.
• B)closes rapidly in absence of stimulus.
• C)opens to a variable extent depending on how much the stimulus voltage exceeds the threshold voltage.
• D)has a voltage sensor helix that controls channel gating.
• E)can be inactivated by the inactivating particle part of the channel protein.

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Definitions:

Adverse Selection

A situation in which asymmetrical information leads to the selection of suboptimal market participants, often seen in insurance markets where those most likely to make a claim are also most likely to seek insurance.

Market Signals

Information or indicators that suggest the future direction of market prices, helping investors and businesses make decisions.

Uncertainty

The state of having limited knowledge where it is impossible to exactly describe existing states, outcomes, or future events.

Individual Mandate

A requirement for individuals to have health insurance or pay a penalty, originally a key provision of the Affordable Care Act.