The Accepted Method of Testing Water Supplies for the Possible

question 10

Multiple Choice

The accepted method of testing water supplies for the possible presence of pathogens is to determine the presence of

• A) Streptococci.
• B) coliforms.
• C) Staphylococci.
• D) Streptomyces.
• E) vibrios.

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Definitions:

Exoskeletons

Hard outer structures that provide support and protection to the bodies of certain organisms like insects and crustaceans.

Sphincter

A ring-like muscle that controls the passage of substances through an opening in the body, such as the anus or esophagus.

Smooth Muscle

A type of muscle tissue which is not under conscious control, found in the walls of internal organs such as the stomach and intestines.

Humerus

The long bone in the upper arm or forelimb, extending from the shoulder to the elbow.