A Patient Being Evaluated for Cardiac Pathology Asks the Nurse

question 24

Multiple Choice

A patient being evaluated for cardiac pathology asks the nurse why sodium, calcium, and potassium are so important in the diet. What is the nurse's best response?

• A) "The action potentials of the heart muscle cells are dependent on the diffusion of sodium, potassium, and calcium across the cell membrane."
• B) "Because you are on potassium supplements, it is important to monitor electrolytes."
• C) "Heart rate is affected by the oxygen levels in your body, which involves the attachment of oxygen molecules to these electrolytes."
• D) "It is the pacemaker of your heart that is responsible for the heartbeat."

---

Definitions:

Pareto Principle

Also known as the 80/20 rule, it suggests that 80% of effects come from 20% of causes, applicable across various fields.

Equity Theory

A psychological theory which proposes that employees are motivated when they perceive their treatment in the workplace as fair, especially in how rewards are distributed.

Fairplay Rule

An ethical guideline ensuring fairness and honesty in transactions and interactions, often in sports or business.

Core Principles

Core principles are fundamental beliefs or values that guide the behavior and practices of an individual or organization.