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true or false. Tuberculosis is an AIDS defining illness?
what is the name of the infectious agent in tb?
how is tb commonly transmitted?
standard precautions are not sufficient...gets through mask
name 4 factors that affect transmission of tb.
degree that infected person produces infected droplets
amount and duration of exposure
susceptibility of recipient
when it is diagnosed- its maximum communicability is just before it is diagnosed
name 6 systematic conditions that may be related to lowered resistance to tb.
congenitial heart disease
chronic lung disease
what is the incubation period for tb?
as long as 10 weeks after exposure
describe the early symptoms of tb
loss of appetite
what are later symptoms of tb?
slight cough and eventual sputum
along with other syptoms
name 6 things that may cause/be the reason to reactivation of tb.
the disease remains latent, and later recurs
incomplete treatment of primary infection
may come back after many years
if asymptomatic, disease will not spread
anti tb drugs can elliminate it
How is tb treated?
taken daily, several times a week, for atleast 6 months
extensively drug resistand (XDR) TB
used if the other won't work because the body has built a resistance to that drug
How does the CDC recommend that we treat tb pts?
do a periodic risk assesment
check medical history
refer them to a physician if we think they have tb
send them to a hospital if they need immediate dental care
have a separate reception area for them
what are some signs of tb seen from intra and extra oral exams?
lympadenopathy- inflammed and enlarged lymph nodes
oral lesions- ulcers on harda or soft palate, or tongue
what does chemotherapy do for a person with tb?
it can control the pts contagious condition, the bacili in the sputum, and cough are decreased
what are some of the chemicals used in chemotherapy for tb?