Tetrodotoxin Is a Toxin That Blocks the Sodium Channels from Opening

question 213

Multiple Choice

Tetrodotoxin is a toxin that blocks the sodium channels from opening. What effect would this have on the function of neurons?

• A) Neurons would depolarize more rapidly.
• B) Action potentials would lack a repolarization phase.
• C) The refractory period would be shorter than normal.
• D) The neurons would not be able to propagate action potentials.
• E) none of the above

---

Definitions:

Telepathy

The presumed exchange of thoughts or ideas through methods beyond the recognized senses.

Precognition

The ability or claimed ability to perceive events in the future or beyond normal sensory contact.

Clairvoyance

The supposed ability to gain information about an object, person, location, or physical event through means other than the known human senses.

Psychometry

The science of measuring mental capacities and processes through psychological tests and assessments.