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44 Cards in this Set
- Front
- Back
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Methods by Which Bacteria Cause DIsease
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1. Adhesion
2. Colonization 3. Invasion 4. Immune Response Inhibitors 5. Toxins |
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Adhesion
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when bacteria first binds to host cell surfaces
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Colonization
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when bacteria produce special proteins that allow them to colonize parts of the host body
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Invasion
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some bacteria produce proteins that either disrupt host cell membranes or stimulate endocytosis to host cells
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Immune Response Inhibitors
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many bacteria produse virulence factors that inhibit the host's immune system defenses
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Toxins
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many virulence factors are proteins made by bacteria that poison host cells and cause tissue damage
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Syphilis
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painless sores on the penis or cervix, rashes on the palms and soles, and eventual paralysis and insanity
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What Microbe Causes Syphilis?
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Treponema pallidum
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What Type of Bacteria is Syphilis?
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g- spirochete
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What are the stages in Syphillis?
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Incubation, Primary syphilis (Chancre), Secondary syphilis (Rash), Tertiary syphilis (Gummas)
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Chlamydia
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Abdominal pregnancy, infertility, inflammation of the testicle
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What is the Microbe that Causes Chlamydia?
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Chlamydia trachomatis
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What Kind of Bacteria is Chlamydia?
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g- coccobacillus
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Gonorrhea
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Burning urination, cervical and urethral infection, abdominal pain, sterility
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What Microbe Causes Gonorrhea?
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Neisseria gonorrhoeae
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What Kind of Bacteria is Gonorrhea?
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g- diplococcus
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What is Gonorrhea often Referred to?
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"clap" or "drip"
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What STD is most common in men?
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Syphilis
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What STD is made of obligate intracellular parasites?
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Chlamydia
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What STD can cause infertility?
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Chlamydia
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What STD's transmission can last for 10 years?
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Gonorrhea
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Upper Respiratory Tract Infections
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1. Diptheria
2. Pertussia (whooping cough) 3. Streptococcal Infections 4. Meningitis |
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Lower Respiratory Tract Infections
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1. Legionallosis
2. Tuberculosis 3. Tularerbua |
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Meningitis
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inflammation of the membranes covering spinal cord and brain
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What type of meningitis is most common in college students?
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Neisseria meningitidis
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How is Legionnaire's disease transmitted?
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Inhalation of aerosols from contaminated water source
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Who is most susceptible to Legionnaire's disease?
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middle-aged and older, smokers, chronic lung disease
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How can you prevent Legionaire's disease?
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eliminating sources of warm stagnant waters with potential for aerosolization
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How many people die a year from Tuberculosis?
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2 million
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Which lower respiratory tract infection is the leading cause of infectious death worldwide?
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Tuberculosis
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What are the 3 varities of Anthrax?
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1. Inhalation (most severe)
2. Cutaneou 3. Gastrointestinal |
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Anthrax is primarily found in what?
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grazing animals (sheep and cattle)
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How is Anthrax transmitted?
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contact with endospores in soil and in occupations involving handling of wool, hides, and meats
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What are the symptoms of Anthrax?
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cutaneous form produces skin lesion, headache, nausea, fever
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How is Tetanus transmitted?
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contact with spores from soil, animal bites, gunshol wounds
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What are the symptoms of Tetanus?
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lockjaw, muscle stiffness, and spasms due to production of teanospasmin
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What is tetanospasmin?
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it is a neurotoxin; the 2nd most deadly bacterial toxin
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Who are the primary reservoirs of the plague?
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rodents
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What is the vector of Rocky Mountain Spotted Fever?
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ticks
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What is the vector of Endemic typhus?
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fleas from mice and rats
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What is the vector of Epidemic typhus
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human body louse
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What are the two forms of Erlichiosis?
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1. Human anaplasmosis
2. Human monocytic ehrlichiosis |
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What is the name of a disease that is a blister with highly infectious yellow discharge called?
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Impetigo
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Is there a vaccine for Lyme Disease?
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no
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