Bacterial Diseases – Flashcards

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Furuncle

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  • causes by Staphylococcus aureus-gram (+)
  •  infections of hair follicle or skin gland
  •  known as boil
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Carbuncle

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  • caused by Staphylococcus aureus-Gram (+)
  •  severe infection involving sucutaneous(deepest layer of integumentary system that is under dermis) at nape of neck, upper back, or buttocks
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Abcess
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  • caused by Staphylococcus aureus infection-Gram (+)
  • pyogenic lesion
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Stye
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  • caused by Staphylococcus aureus-Gram(+)
  •  meiobomian gland (modified sebaceous gland at rim of eyelids) infected by Staph aureus
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Impetigo
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  • Caused by Staphylococcus aureus- Gram (+)
  • lesions that usually starts on face/nose and is spread from scratching- is also causes by streptococcus pyogenes (common in kids)
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SSSS- Staphylococcal scalded skin syndrome
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  • Caused by Staphylococcus aureus- Gram(+)
  • strain of staph aureus that contains plasmid (packet of DNA separate from chromosomal DNA and can replicated itself) for exfoliatin
  • exfoliatin cause skin to peel off exposing reddened area beneath- infants and kids are affected most-occurs by mouth and nose and can spread
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Exudate
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  • fluid from circulatory system that drains into lesion or areas where inflammation is occuring
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Strawberry tongue
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  • swelling and reddening of papillae on tongue
  • symptom of TSS caused by Staph. aureus
  • symptom of Scarlet fever caused by Strep. pyogenes
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Endocarditis
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  • inflammation of the inside lining of the heart
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Osteomyelitis
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  • acute or chronic bone infection
  • can be caused by Staphylococcus aureus infection
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Septicemia
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  • infection in the blood
  • Staphylococcus aureus can cause this

 

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Meningitis
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  • bacterial infection of the membrane lining the brain (meninge)
  • can be caused by Staphylococcus aureus
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Pneumonia
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  • breathing or lung condition where there is a infection in the lung
  • can be caused by Staphylococcus aureus infection
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Enterotoxin F secreted by what bacteria?

What does it cause?

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  • Staphylococcus aureus
  • Causes intoxication- TSS
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What makes Staph. aureus so pathogenic?
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  • Leucocidin-alters/damages hosts membrane and cells
  • Coagulase- converts fibrinongen to fibrin which inturns protects Staph from host's immune cells- preventing phagocytosis
  • Exfoliatin-causes peeling of the skin- scalded skin syndrome
  • lysins- causing destruction of ab or other components to host
  • PCN-ase (not all strains)
  • enterotoxins
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Hemolysis
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  • Breakdown of RBC
  • if bacterial colonies induce hemolysis when grown on blood agar this identification can be used to classify different organsims
  • used to identify streptococcus species
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Endogenous infection
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  • infection caused by infectious agent that is already in body but has been dormant
  • people who have predisposing factors: diabetes, flu, physical injury to broncial tree
  • Streptococcus pneumoniae is this type of infection
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How many capsular types;are there in;Strep. pneumoniae?
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  • 23 capsular types of the 80+ serotypes
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Dsypnea
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  • shortness of breath
  • Difficult breathing because of pain
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Quelling reaction
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  • test for type of Ag on the capsule
  • used to diagnosis streptococcus pneumoniae

;

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Pneumovax vaccine
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  • vaccine is to kill capsule and produce ab to kill; Strep. puenmoniae
  • has 23 strains
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What bacterial disease that cause Strep throat is group A beta hemolytic?
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Streptococcus pyogenes
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What 2 bacterias can cause impetigo?
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  • Staph. aureus
  • Strep. pyogenes
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Group A hemolytic
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flesh eating
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Arteriosclerosis
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  • hadrening of arteries
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Atherosclerosis
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  • clogging of arteries
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How long does Staph food poisoning;usually last?
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  • 1 day
  • reported less often than salmonella
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How long does Salmonella food poisoning;usually last?
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  • several days
  • it is reported more because of the length of occuring symptoms
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low vascularization
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  • Not vascular or poor blood supply
  • gall bladder is an example
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Nosocomial infection-
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  • infection aquired at hospital
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What precent of Stap aureus causes nosocomial infections?
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15% especially wound infections
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Neisseria gonnorrhoeae or Treponema pallidum have more cases occurences?
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Neisseria gonnorrhoeae
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  • Which bacteria have chancre's and what are there differences?
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Treponema pallidum-Syphilis

  • spiral bacterium
  • symptoms are small painless reddened ulcer with hard ridge and sharply demarcated

Haemophilus ducreyi- Chancroid

  • gram(-) bacilli
  • soft PAINFUL chancre reddened ulcer that is not demarcated

 

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Treponema pallidum

Shape?

Also known as?

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Curved bacteria

Called Syphilis

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Vibrio damsella

Shape?

Also called or causes?

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Curved bacteria

Septisemia

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Vibrio cholerae

Shape?

Called and causes?

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Curved bacteria

Cholera

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Vibrio vulnificans

Shape?

Causes?

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Curved bacteria

Causes food poisoning

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Borellia burgdorferi

Shapes?

Causes or also called?

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Curved bacteria

Lyme's disease

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Campylobacter jejuni

Shape?

Also called and causes?

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Curved bacteria

Travelors diarrhea

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Helicobacter pylori

Shape

Causes?

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Curved bacteria

Causes gastric and duodenal ulcers

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Staphylococcus aureus

Gram? And shape?

in gut causes:

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gram (+); Cocci

food poisoning

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Staphylococcus aureus

Gram? And shape?

In skin causes?

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Gram (+) Cocci

Causes boils, impetigo, SSSS, abscesses, carbuncle, stye

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Staphylococcus aureus

Gram? And shape?

In reproductive causes

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Gram (+) Cocci

Causes TSS

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Staphylococcus aureus

Gram? And shape?

when systemic causes:

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Gram (+) Cocci

Causes meningitis, pnuemonia, endocarditis, osteomyelitis, septicemia

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Staphylococcus epidermis

Gram? Shape?

Causes

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Gram (+) Cocci

Nosocomial wound infections postsurgical

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Streptococcus pyogenes

Shape? Gram?

Causes

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Gram (+) Cocci

strep throat

glomerulonephritis

rheumatic fever

scarlet fever

erysipelas

impetigo

wound infections

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Streptococcus pneumoniae

Shape? Gram?

causes

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Gram (+) Cocci

pneumococcal Pneumonia

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Streptococcus lactis

Shape? Gram?

No diseas but is the product of what foods?

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Gram (+) Cocci

Sour cream, buttermilk, sour milk, cheese

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Streptococcus mutans

Shape? Gram?

Causes?

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Gram (+) cocci

plaque, caries, gingivitis, periodontal memembrane disease

;

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Mutans attach to the enamel

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Streptococcus salivarius

Gram? Shape?

Causes?

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Gram(+) cocci

causes subacute bacteria meningitis

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Streptococcus faecalis

gram? shape?

causes?

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Gram (+) Cocci

Causes food poisoning

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Bacillus anthracis

Shape? Gram?

Another name?

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Gram (+) Bacilli

Anthrax

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Clostridium tetani

shape? gram?

causes?

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Gram (+) Bacilli

Tetanus

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Clostridium botulinum

shape? Gram?

Causes?

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Gram (+) Bacilli

Causes:; botulism poisoning

wound botulism

neonatal botulism

;

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Clostridium perfringens

gram? shape?

causes?

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Gram (+) Bacilli

causes gas gangrene

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Listeria monocytogenes

shape? Gram?

Cuases?

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Gram (+) Bacilli

Listeriosis

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Cornyebacterium diphtheria

shape? gram?

causes?

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Gram (+) Bacilli

Causes: diptheria

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Mycobacterium leprae

shape? gram?

causes?

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Gram (+) bacilli

leprosy

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Mycobacterium tuberculosis

shape? gram?

causes?

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gram (+) bacilli

Tuberculosis

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Proprionibacterium acnes

shape? gram?

causes?

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Gram (+) bacilli

associated with zits and is a real problem with acne

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Neisseria gonorrhoeae

gram? shape?

causes?

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gram (-) cocci

Gonorrhea and pelvc inflammitory disease

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Neisserria meningitidis

gram? shape?

causes?

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gram (-) cocci

meningiococcal septicemia and meningitis

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Chlymdia trachomatis

shape? gram?

causes?

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gram (-) cocci

inclusion conjunctivitis-in neonates, trachoma, LGV, NGU, PID

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Salmonella species

gram? shape?

causes?

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gram (-) bacilli

slmonella food poisoning

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Salmonella typhi

shape? gram?

causes?

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gram (-) bacilli

typhoid fever

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Shigella species

gram? shape?

causes?

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gram (-) bacilli

causes: shigellosis- bacterial dysentery

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Escherichia coli

shape? gram?

causes?

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gram (-) bacilli

causes: diarrhea

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Yersinia pestis

shape? gram?

causes?

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gram (-) bacilli

causes: bubonic plague

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Bordetella pertussis

shape? gram?

causes?

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gram (-) bacilli

whooping cough

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Brucella melitensis

gram? shape?

causes?

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gram (-) bacilli

brucellosis- undulant fever

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Legionella pneumophilia

shape? gram?

causes?

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gram (-) bacilli

legionaires disease

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Francisella tularensis

gram? shape?

causes?

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gram (-) bacilli

tularemia

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Clostridium difficile

gram? shape?

cuases?

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gram (+) bacilli

severe diarrhea with necrosis

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3 self limiting bacteriums
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Campylobacter jejuni-frequently

Streptococcus pyogenes strep throat

Salmonella species

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CDC top 5 infectious agents with potential threat to human beings?
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1) Small pox

2) Anthrax

3) Plague

4) Botulism

5) Tularemia

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Number one cause of bacterial meningitis?
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Haemophilus influenza
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Second cause of bacterial meningitis?
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Neisseria meningitidus
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3rd cause bacterial meningitis
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Streptococcus pneumoniae 11%
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