An Action Potential Begins When,in Response to a Stimulus,_______

question 8

Multiple Choice

An action potential begins when,in response to a stimulus,_______.

• A) sodium channels open and sodium enters the neuron
• B) sodium channels open and sodium exits the neuron
• C) potassium channels open and potassium enters the neuron
• D) potassium channels open and potassium exits the neuron
• E) sodium channels close and sodium is pumped out of the neuron

---

Definitions:

Lab

Short for laboratory, a controlled setting for scientific research, experiments, testing, or analysis.

Downtime

A period during which a system, device, or service is not operational, often for maintenance or technical failure.

Electronic Scheduling

The use of digital tools and software systems to organize, manage, and arrange appointments, meetings, or tasks.

Paper Schedules

Physical or printed timetables used for planning appointments, tasks, and events, in contrast to digital scheduling systems.