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Does keratin prevent the entry of pathogens?
Yes
What prevent the entry of food into the trachea?
The thin muscular flap that keeps food from entering the trachea is the Epiglottis.
What is a portal of entry for pathogens?
mucous membranes of the respiratory tract
Which one of the following is not a direct route of entry for Bloodborne Pathogens?
is NOT a likely route of entry for a bloodborne pathogen
Dermatitis and acne are potential routes of entry for bloodborne pathogens?
yes
What layer of skin if unbroken prevents the entry of most pathogens?
The epidermis is the outermost layer of skin that acts as a physical barrier to prevent the entry of most pathogens. It contains tightly packed cells and lacks blood vessels, making it difficult for pathogens to penetrate and invade the body.
Why are the digestive and respiratory systems often the sites of entry for pathogens?
Diffusion take place in these systems.
How does the inflammatory response cause the 4 signs of inflammation?
The purpose of inflammation are:to reduce the spread of pathogens, to destroy them and to prevent the entry of additional pathogensto remove damaged tissue and cell debrisand to begin the repair of the damaged tissue. hope this helps=)
What major function do human skin and the waxy outer layer of a plant leaf share?
preventing entry of pathogens
What is the most common portal of entry for pathogens?
The three most common are the skin, gastrointestinal tract and respiratory tract
Why is edema of the larynx likely to obstruct air way?
The larynx is situated just above the trachea which are tubes which carry air and oxygen to the lungs. Inflammation causes swelling of the tissues which can block the entrance to the trachea and air entry to the lungs
What are some examples of specific body defenses?
Specific body defenses include the immune system, which produces antibodies to fight off pathogens, and the skin, which acts as a physical barrier to prevent the entry of pathogens. Other examples include stomach acid, which helps to kill ingested pathogens, and the inflammatory response, which helps to eliminate pathogens and promote healing.
