Which Type of Radioactivity Has Essentially No Mass

question 168

Multiple Choice

Which type of radioactivity has essentially no mass?

• A)alpha, α
• B)beta, β
• C)gamma, γ
• D)lambda, λ

---

Definitions:

Electrocardiogram Tracing

Electrocardiogram tracing is the graphical representation of the electrical activity of the heart over a period of time, obtained through electrodes attached to the skin, used for diagnosing heart conditions.

Electrode Placement

The strategic positioning of sensors on the body to measure electrical activity, used in various medical and research applications.

Baroreceptors

Specialized nerve endings located in the walls of blood vessels that sense changes in blood pressure and help regulate it.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for action by increasing heart rate, dilating airways, and other responses typically associated with the "fight or flight" response.