Which of the Following Is NOT a Physical Barrier That

question 69

Multiple Choice

Which of the following is NOT a physical barrier that helps prevent entry of microbes into the body?

• A)intact skin
• B)mucous membranes
• C)stomach acid
• D)ciliated cells

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Definitions:

Credit Agency Corporation

An entity that collects and provides information on the creditworthiness of individuals and businesses, influencing lending decisions.

Erroneous Information

Incorrect, inaccurate, or false data that may lead to improper decisions or conclusions.

Multistate Air Pollution

The occurrence and spread of air pollutants across state borders, affecting air quality and public health in multiple regions.

Mobile Sources

Objects or devices that emit pollutants while in motion or operation, such as cars, trucks, and industrial machinery.