When Cancer Cells Enter the Lymph or Blood System

question 116

Multiple Choice

When cancer cells enter the lymph or blood system,

• A)it is easy to stop their spread to other organs.
• B)they can form secondary tumors elsewhere.
• C)they are known as benign tumors.
• D)the probability of cure increases.

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Definitions:

Cohesion

The force that holds molecules of the same substance together, contributing to the tensile strength of water.

Acid

Substance that releases hydrogen ions in water.

Base

Substance that accepts hydrogen ions in water.

Buffer

Set of chemicals that can keep the pH of a solution stable by alternately donating and accepting ions that contribute to pH.