The Pacemaker of the Cardiac Conduction System Is the

question 24

Multiple Choice

The pacemaker of the cardiac conduction system is the

• A)atrioventricular node.
• B)sinoatrial node.
• C)medulla oblongata.
• D)Purkinje fibers.

---

Definitions:

Demand Curves

Visual diagrams that illustrate the connection between a product's price and the amount consumers are willing to buy.

MC = MR

An economic principle that firms reach the optimal level of production when marginal cost equals marginal revenue.

Downward-Sloping

Describes a curve or line on a graph that shows a decrease in a variable (e.g., price) leading to an increase in another variable (e.g., quantity demanded), typically observed in demand curves.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping, indicating an inverse relationship between price and quantity demanded.