Indicate Which Ion Is Involved in Each Event Being Described

question 222

Multiple Choice

Indicate which ion is involved in each event being described by using the following answer code.
-Inactivation of _____ channels brings about the slow drift of membrane potential to threshold in the cardiac autorhythmic cells.

• A)K⁺
• B)Na⁺
• C)Ca²⁺

---

Definitions:

Original Order

The primary or initial instruction or request made before any changes or alterations.

Packing Slip

A document included with a shipment that lists all of the items being delivered, used for verification and inventory purposes.

Shipment

The act of sending goods or cargo from one place to another, usually by sea, air, or land transport.