Mucous Membranes Are Quite Thin and Fragile

question 2

Multiple Choice

Mucous membranes are quite thin and fragile. How can such delicate tissue provide defense against microbial invaders?

• A) the mucus secreted by the mucous membrane physically traps microbes.
• B) the mucus contains a variety of antimicrobial chemicals and molecules.
• C) both the mucus and the outer layer of cells are shed frequently.
• D) the mucus is a physical trap that contains a variety of antimicrobial chemicals.
• E) the mucus physically traps microbes, contains a variety of antimicrobial chemicals, and is shed constantly, along with the outermost layer of cells.

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Definitions:

Default

Failure to fulfill a financial obligation, such as missing a loan repayment.

Debt

An amount of money borrowed by one party from another, often for making large purchases that they could not afford under normal circumstances, which needs to be paid back.

FICA

Federal Insurance Contributions Act; a United States federal payroll tax imposed on both employees and employers to fund Social Security and Medicare.

Federal Income Taxes

Taxes imposed by the federal government on the annual earnings of individuals, corporations, trusts, and other legal entities.