Biology Questions and Answers
- Are all pneumonias caused
by bacteria?
Pneumonia is the generic name of
inflammation ofbacterial pneumonias, there are the lungs. Besid es
pneumonias caused by virus, fungi,
toxic pneumonias, etc.
- What is Hansen’s disease
(etiological agent, mode of
transmission, clinical
manifestations and
prevention)?
The etiological agent of Hansen’sdisease is bacteria called Mycobacterium (^)
leprae. The mode of transmissionyet totally known but it is believed that is not
respiratory secretions and saliva drops
can spread the diseasdisease is a chronic disease e. Hansen’s(slow (^)
progression) that generally attacks the
skin and the peripheral neother areas of the body can rves althobe affected.ugh (^)
In the skin nodules, reddish sthickening of the dermis and lack ofpots, (^)
sensitivity appear; the mucosae,
especiallyinjured and also the viscera the nasal mucosa, may b may bee
affected. The main form of prevention is
information, treatment; insince thfected people should, asere is available (^)
soon as possible, look for health
services fthe disease.or evaluation and treatment of
In the past Hansen’s disease was calledleprosy.
- What is the etiological
agent and the main
manifestations of cholera?
Cholera the Vibrio is a bacterial discholerae. The disease ease causeis d by
transmitted bmain mode of transmission isy fecal-oral route and the ingestion (^)
of contaminated water or food. It is
most padequate sanitary corevalent in places that lacknditions.
Inside the human gut the choleravibrion releases toxins called
enterotoxins.intense diarrhea, vomitin The infection can g, dehydrationcause (^)
and even death in more severe cases.
- What is meningitis?
Meningitis is the generic name given to
inflammation ofmembranes that cove the meninges,r the central (^)
nervous system. Meningitis can have
several causes (intraumatic, neoplasticfectious, toxic, infestation, (^)
autoimmuncaused by meningococcus,e). Bacterial infections haemophilus, (^)
pneumococcus or by tuberculosis
bacteria are severe and contagious.
The main symptoms of bacterial
meningitis are high fever, nuchalrigidity, intense headache, vomitin (^) g and
sometimes convulsions. The disease
should be treated with antibiotics.
- What is syphilis?
Syphilis, also kdisease caused by the bacterianown as lues, is a
Treponema pallidum. Before the
http://www.biology-questions-and-answers.com