Mucous Membranes Are Quite Thin and Fragile

question 37

Multiple Choice

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

• A) The mucus contains a variety of antimicrobial chemicals and molecules.
• B) Both the mucus and the outer layer of cells are shed frequently.
• C) The mucus secreted by the mucous membrane physically traps microbes.
• 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.

Recognize the biochemical formation and transformation processes of lipids.

Identify the types and characteristics of simple, complex, and derived lipids.

Describe the role and chemical behavior of fatty acids in lipid formation.

Understand the synthesis and reactions involved in forming triglycerides and other lipids.

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Definitions:

Compound Nevus

A type of mole that has both junctional and dermal elements, often raised above the skin surface and possibly containing hair.

Melanoma

A type of skin cancer that develops from the pigment-producing cells known as melanocytes.

Blistering Sunburns

Severe sunburns characterized by the formation of blisters due to overexposure to ultraviolet radiation, indicating a second-degree burn.

Impetigo

A highly contagious bacterial skin infection characterized by red sores, mainly affecting children.