(in-FEK-shun)
The invasion and growth of germs in the body
. The germs may be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it. An infection can cause fever and other health problems, depending on where it occurs in the body.
Which best describes the term infection?
Infection:
The invasion and multiplication of microorganisms such as bacteria, viruses
, and parasites that are not normally present within the body. An infection may cause no symptoms and be subclinical, or it may cause symptoms and be clinically apparent.
What does the term infection refer to?
(in-FEK-shun)
The invasion and growth of germs in the body
. The germs may be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it. An infection can cause fever and other health problems, depending on where it occurs in the body.
What is the difference between infection and disease quizlet?
Infection, often the first step, occurs when bacteria, viruses or other microbes that cause disease enter your body and begin to
multiply
. Disease occurs when the cells in your body are damaged — as a result of the infection — and signs and symptoms of an illness appear.
What term refers to the presence of small numbers of bacteria in the blood?
Bacteremia
is the presence of bacteria in the bloodstream. Bacteremia may result from ordinary activities (such as vigorous toothbrushing), dental or medical procedures, or from infections (such as pneumonia or a urinary tract infection).
What are the six stages of infection?
The six links include:
the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host
. The way to stop germs from spreading is by interrupting this chain at any link.
What are the two types of bacteria?
There are broadly speaking two different types of cell wall in bacteria, that classify bacteria into
Gram-positive bacteria and Gram-negative bacteria
.
What illnesses can fungi cause?
- Aspergillosis. About. Symptoms. …
- Blastomycosis. About. Symptoms. …
- Candidiasis. Candida infections of the mouth, throat, and esophagus. Vaginal candidiasis. …
- Candida auris.
- Coccidioidomycosis. About. Symptoms. …
- C. neoformans Infection. About. …
- C. gattii Infection. …
- Fungal Eye Infections. About.
What are 5 diseases caused by bacteria?
Other serious bacterial diseases include
cholera, diphtheria, bacterial meningitis, tetanus, Lyme disease, gonorrhea, and syphilis
.
What are the five signs of an infection?
- Fever (this is sometimes the only sign of an infection).
- Chills and sweats.
- Change in cough or a new cough.
- Sore throat or new mouth sore.
- Shortness of breath.
- Nasal congestion.
- Stiff neck.
- Burning or pain with urination.
What is the difference between infestation and infection?
In general, the term “infestation” refers to
parasitic diseases
caused by animals such as arthropods (i.e. mites, ticks, and lice) and worms, but excluding (except) conditions caused by protozoa, fungi, bacteria, and viruses, which are called infections.
When would endotoxins be released from a bacterial cell?
Endotoxins, also called LPS, are the component of the outer membrane of gram-negative bacteria and are released into the circulation
upon disruption of the intact bacteria (death, cell lysis)
[231].
Which of the following is a difference between signs and symptoms of disease in a person?
Sign vs symptom
A sign is an objective, observable phenomenon that can be identified by another person. A symptom is a subjective experience that cannot be identified by anyone else.
What happens if you have bacteria in your blood?
Septicemia, the state of having bacteria in your blood, can lead to
sepsis
. Sepsis is a severe and often life-threatening state of infection if it’s left untreated. But any type of infection — whether bacterial, fungal, or viral — can cause sepsis.
How do you test for bacteria in the blood?
During a
bacteria culture test
, a sample will be taken from your blood, urine, skin, or other part of your body. The type of sample depends on the location of the suspected infection. The cells in your sample will be taken to a lab and put in a special environment in a lab to encourage cell growth.
How do you get bacteria in your blood?
Bacteria can
enter your bloodstream through a scraped knee or other wound
. Urinary tract infections are a common source of blood poisoning. Even a sinus infection can cause bacteria to enter your bloodstream. Your immune system will eliminate small amounts of bacteria.
