Biology Questions and Answers
Bacterial Infections
- What are some human
diseases caused by bacteria
and what are their respective
modes of transmission?
The main htransmitted buman bacterial iny respiratory secretiofectionsns (^)
(sneezes, coubacterial pneumonias, tuberculosis,gh) and saliva drops are:
whooping cough (pertussis), diphtheria,
bacterialdiseases transmitted by meningitis. Main bacterialblood or sexual (^)
contact are: gonorrhea, syphilis. Main
bacterialvectors are: bubonic pla diseases transmitted bgue, endemicy animal
typhus, leptospirosis. Some bacterial
diseasesroute and contaminated transmitted throfood are:ugh fecal-oral
cholera, typhoid fever. Other important
bacterialpossibly transmitted by infections: Hansen's disease,saliva drops and (^)
contact with injured skin and mucosae;
trachoma, eocular secretions; tye disease etanus, transmittedtransmitted by (^)
when the etiological agent enters the
body through skin wounds.
- What is tuberculosis? How
is the disease transmitted? Is
there treatment for
tuberculosis?
Tuberculosis is a disease caused by the
Mycobacterium tuwhich attack other organs oberculosis, bacteriaf the body (^)
but mainly the lungs leading to
respiratory insufficiency. Before 1940,
tuberculosis had already been one of
the main and Europe. The disease can causes of death in the USAremain
latent, without manifestation for several
years and even throughout the life.
Tuberculosis is highly contagious,
transmitted bsneezes and coughs from a y air route throughperson with (^)
the active disease. Transmission is
commofamily on between members of the samer even in work environments.
The disease today has treatment with
efficient antibiotics.patient receives thr Generally, thee different drugs fore (^)
several mocomplete. Tnths until healing ishere are however som (^) e
strains of multiresistant TB bacteria that
emerged by mutation aselection due to the intense use ofnd natural (^)
antibiotic drugs mainly in hospitals and
treatmtreatment facilities;ent is more difficult. in these cases the
- Is there vaccine against
tuberculosis?
The vaccine agaicalled BCG (bacillusnst tuberculosis is Calmette-Guérin). (^)
BCG iswhere tuberculosis is not used in som not so e countriesprevalent (^)
because it can distort later diagnostic
studies of the disease; countries, like Brazil, it is obliin othergatory fo (^) r
children. The vaccine is made of
attenuated TB bacteria.
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