Bacterial Infections Flashcards
can bacterial infections or viruses be more easily killed with drugs?
bacterial infections
What is the causative agent of Tuberculosis
mycobacterium tuberculosis
is TB an easy disease for healthy people to catch?
no, because their immune system fights it off
what ethnic groups are more likely to get tb?
american indians and blacks
how is TB transmitted?
through aerosol, someone with TB coughs or sneezes and you inhale it
where is the most common part of the body to get TB?
lungs
what two animals can give TB to humans?
cows and deer
what are the two types of TB infections?
- primary infection at site of innoculation
2. secondary infection
what happens during the primary infection of TB?
antibodies respond and bacillus is killed, but in some people not all bacillus are killed and it lies dormant in the tissues and at a later date they get a secondary infection
what happens during the secondary infection of TB?
the infection spreads and leads to death and usually happens when the immune system is fighting something else like a sickness
signs and symptoms of TB?
weak, rundown, night sweats, fever, chills, weight-loss, persistent cough/cough up blood, pneumonia
where are oral lesions of TB most commonly found?
on the tongue
what are hepa filters?
TB mask protectors because regular masks won’t protect it
what are the outcomes of a positive test result
there will be a red welt where they injected a strand of it, and it means you have been exposed to it before. A chest xray will then be taken to look for dystrophic calcification in lung tissue
what is the outcome of a negative test result
there will be nothing on the skin or just a small red dot, which means that you’ve never been exposed to it before
what is syphilis caused by? what does it do to the skin?
bacteria treponema pallidum
causes a lesion on the skin
what are the 3 stages of syphilis?
- primary
- secondary
- tertiary
what is the lesion or painless ulceration of primary syphilis called?
chancre
when does primary syphilis occur, and characteristics of it
happens 3 weeks after sexual contact, a painless ulceration will appear at the site of innoculation and will go away by itself without treatment but doesn’t mean disease is gone
traits of secondary syphilis
flat raised lesion on skin and mouth, then surface rubs off leaving an open ulceration that contains the bugs
what is the ulcerated surface during secondary syphilis called?
mucous patches
what is the production of nodules
gumma
what happens to the body during tertiary syphilis? what systems are affected?
the bug has spread throughout the entire body invading the cardiovascular system, nervous system, and most organs in the body which can lead to death
what is congenital syphilis?
mother with disease who gives birth to a child who now has the disease because it was passed through the placenta
3 major oral signs and symptoms of syphilis and characteristics of each
- Hutchison’s Incisors: malformation of incisors that look like screw-drivers
- Mulberry Molars: surface of enamel has little specks
- Bossing of Frontal Bones: bone is thicker and more prominent under the eyebrow
