The Action Potential of Cardiac Pacemaker Cells Is Caused by

question 65

Multiple Choice

The action potential of cardiac pacemaker cells is caused by

• A)inward diffusion of Na⁺.
• B)inward diffusion of Ca²⁺.
• C)inward diffusion of K⁺.
• D)outward diffusion of K⁺.

---

Definitions:

Serial-Position Effect

A memory phenomenon where recall accuracy varies as a function of an item's position within a study list, with enhanced recall for items at the beginning and end of the list.

Memory Reconstruction

The process of piecing together memories from elements stored across different parts of the brain during recall, which can sometimes lead to inaccuracies.

Keyword Method

A mnemonic technique that involves associating a new word or information with a similar-sounding keyword to facilitate recall.

Acrostics

An artistic work like a poem or a puzzle where select letters within each line spell out distinct words or messages.