Immediately After Firing, a Neuron Cannot Fire Again No Matter

question 107

Multiple Choice

Immediately after firing, a neuron cannot fire again no matter how strong the incoming messages may be. This period is called the ________ period.

• A) relative refractory
• B) primary refractory
• C) polarization
• D) absolute refractory

---

Definitions:

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is involved in various biological rhythms.

Consciousness

Consciousness is the state of being aware of and able to think about one’s own existence, sensations, thoughts, surroundings, and experiences.

Awareness

The state of being conscious or informed about something.

External Stimuli

Environmental factors or influences that can elicit a physiological or psychological response from an individual.