A Drug That Serves as a Sodium Channel Blocker Will

question 68

Multiple Choice

A drug that serves as a sodium channel blocker will have the greatest effect on which phase of ion exchange in the normal, fast-potential cardiac cell?

• A) 0
• B) 1
• C) 2
• D) 3

---

Definitions:

Thermometer Use

The practice of measuring body temperature to assess a health condition, typically using a device designed for this purpose.

Normal Temperature Ranges

The averaging body temperature measurement for a healthy individual, typically ranging from 97°F to 99°F (36.1°C to 37.2°C).

Fever

An temporary increase in body temperature often due to an infection or illness.

Blood Pressure (BP)

The pressure of circulating blood against the walls of blood vessels, an indicator of cardiovascular health.