What Happens to the Atomic Number (Z) and the Mass

question 35

Multiple Choice

What happens to the atomic number (Z) and the mass number (A) when a nucleus emits an alpha particle?

• A) Z increases by 1; A is unchanged.
• B) Z is unchanged; A is unchanged.
• C) Z decreases by 2; A decreases by 4.
• D) Z decreases by 1; A is unchanged.

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Definitions:

Pharmacodynamics

The study of how drugs affect the body, including mechanisms of action, relationships between drug concentration and effect, and side effects.

Body's Response

The ways in which the human body reacts to stimuli, injuries, or infections, often involving the immune system, hormones, and physical changes.

Pharmacology

The branch of medicine concerned with the study of drug action and how medicines affect the body and how the body responds.

Metabolized

The biochemical process by which substances are transformed within an organism's body, resulting in energy production, waste elimination, or other necessary functions.