What Happens During Phase 4 of the Cardiac Action Potential

question 31

Multiple Choice

What happens during Phase 4 of the cardiac action potential?

• A) Potassium ions efflux out of the cardiac membrane as it undergoes repolarization.
• B) Sodium ions enter the cardiac membrane as it undergoes depolarization.
• C) The membrane potential returns to its resting level and prepares itself for the next action potential.
• D) Calcium channels open and calcium ions pass into muscle cells.

Identify the impact of well-managed rewards on individual satisfaction and work performance.

Recognize the significance of emotional empathy in understanding others' views.

Realize that job satisfaction is not a consistent predictor of work performance.

Differentiate between the major types of emotions identified by researchers.

---

Definitions:

Joint

A point at which two bones connect in the body, facilitating movement and support, or a term indicating collective or combined effort in various contexts.

Altered Neurogenesis

Changes in the process by which neurons are generated from neural stem cells and progenitor cells, which can affect brain function and structure.

Hippocampus

A region of the brain that is associated with memory formation and spatial navigation.

Brain Functioning

The activities and processes carried out by the brain that facilitate thinking, feeling, and controlling bodily functions.