Routes of Infection, biology homework help


*Reply to the follow discussion below.*Discuss the routes of
infection by describing the following events/phases that take place: ingestion,
inhalation, cutaneous, genital, and injury
Respiratory tract

Another name for the common cold is an upper respiratory infection. It occurs
when one of 200 different cold-causing viruses is breathed in and enters the
respiratory tract into the lungs. Rhinoviruses are the most common of the
viruses that cause colds. Coughs, influenza and other airborne infections are
also contracted in this fashion.
Breaks in the Skin

One of the many functions of the skin is to act as a barrier against infection.
However, if you have a bug bite, scratch or puncture wounds by
needles, the germs that your skin is meant to keep out can enter your
bloodstream. In addition, cuts, scrapes or sores in mucous membrane that lines
the mouth or nose, provide a route for infection to enter. Common infections
that start through the breaks in the skin are Cellutitis and Impetigo
The Digestive Tract

Food, drink or other infected products infection with bacteria or a virus can
be swallowed and infect the stomach or bowels. Most people have experienced an
upset stomach at one point in their life, which sometimes reveals itself in the
form of diarrhea and/or vomiting. A common example of this is bacterial
gastroenteritis, otherwise known as food poisoning. You can get food poisoning
if you eat meat or poultry that came in contact with bacteria during
processing; if your produce has touched water, during growing or shipping, that
contained animal or human waste; or from improper food handling.
Urinary and
Reproductive Systems

Pathogens can also enter the body through the urinary system, as is the case of
a urinary tract infection, or the reproductive system, as is the case with
sexually transmitted diseases. The infectious agent may remain localized or may
enter the blood stream. For example, sexually transmitted diseases most
commonly infect the genitals, which HIV, the AIDS virus, is carried in
bodily fluids and can be transmitted in saliva, seminal fluid or blood.
Johns Hopkins Medicine. (n.d.).
Upper Respiratory Infection (URI or Common Cold). Retrieved February 28, 2016.
U.S. National Library of
Medicine. (2014, February 10). Bacterial gastroenteritis: MedlinePlus Medical
Encyclopedia. Retrieved February 28, 2016.

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