If a Nucleus Undergoes Alpha Particle Emission

question 13

Multiple Choice

If a nucleus undergoes alpha particle emission:

• A) its atomic number decreases by two and its mass number decreases by four.
• B) its atomic number decreases by one and its mass number is unchanged
• C) its atomic number increases by two and its mass number is unchanged.
• D) its atomic number decreases by two and its mass number is unchanged.
• E) its atomic number is unchanged and its mass number decreases by one.

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Definitions:

Afferent Arteriole

A blood vessel that brings blood to the glomeruli (the filtering units) of the kidney from the systemic circulation.

Efferent Arteriole

A blood vessel that carries blood away from the glomerulus of the kidney, allowing for the regulation of blood pressure and filtration rate within the nephron.

Renin

An enzyme secreted by the kidneys that plays a critical role in the body's regulation of blood pressure.

Bile Recycling

The process by which bile acids, after aiding in digestion, are absorbed by the intestine and returned to the liver to be reused.