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46 Cards in this Set
- Front
- Back
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What are the three diseases of Staphylococcus aureus?
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Food poisoning/ toxic shock syndrome (TSS) / staphylococcal scalded skin syndrome (SSSS)
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Food poisoning additional information
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grape-like clusters/ salt- & drought- tolerant/ yellow pigment/ Pyogenic/ produce exotoxins/ e.g. hemolysins enzymes/ e.g. lipase/ penicillinase/ normal flora of skin
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Food poisoning Epidemiology
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oral/ in-gestion of heat-resistant entero- toxin
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Food poisoning Pathogenesis
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exotoxins inducing immune response
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Food poisoning Host response
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vomiting/ abdominal cramps/ diarrhea due to enterotoxin
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Toxic shock syndrome (TSS) additional information
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grape-like clusters/ salt- & drought- tolerant/ yellow pigment/ Pyogenic/ produce exotoxins/ e.g. hemolysins enzymes/ e.g. lipase/ penicillinase/ normal flora of skin
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Toxic shock syndrome (TSS) Epidemiology
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contact tampon paren-teral
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Toxic shock syndrome (TSS) Pathogenesis
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exotoxins possible due to lysogeny
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Toxic shock syndrome (TSS) Host Response
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fever/ vomiting/ rash/ “scalded” skin / shock
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staphylo- coccal scalded skin syndrome (SSSS) additional information
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grape-like clusters/ salt- & drought- tolerant/ yellow pigment/ Pyogenic/ produce exotoxins/ e.g. hemolysins enzymes/ e.g. lipase/ penicillinase/ normal flora of skin
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staphylo- coccal scalded skin syndrome (SSSS) epidemiology
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paren-teral via wounds / hair follicle / skin glands
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staphylo- coccal scalded skin syndrome (SSSS) Pathogenesis
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exotoxins
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staphylo- coccal scalded skin syndrome (SSSS) Host response
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painful/ bright red flush over entire body/ blisters/ desquamation of epidermis
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Name five diseases of strepto-coccus pyogenes group A & B-hemolytic
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impetigo or pyoderma/ Erysipelas / strepto-coccal pharyngi-tis /necro-tizing fasciitis “flesh-eating bacteria” / α- hemolytic dental caries
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impetigo or pyoderma description
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pyogenic /hemolytic / enzymes e.g. streptolysins/ (lyze tissue blood cells) streptokinase (lyse clots)
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impetigo or pyoderma epidemiology
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direct contact / droplet / paren-teral
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impetigo or pyoderma pathogenesis
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exotoxins in epidermis
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impetigo or pyoderma host response
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burning/ itching/ papules that can break/ form yellow crust
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Erysipelas description
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streptolysins/ (lyze tissue blood cells) streptokinase (lyse clots)
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Erysipelas epidemiology
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paren-teral / invade deeper tissues
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Erysipelas pathogenesis
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toxins in dermal layer of skin
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Erysipelas host response
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edema/ reddish patches with raised margins in skin/ high fever/ chills
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strepto-coccal pharyngi-tis description
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streptolysins/ (lyze tissue blood cells) streptokinase (lyse clots) capsule guard against / may be very thick
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strepto-coccal pharyngi-tis epidemiology
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paren-teral
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strepto-coccal pharyngi-tis pathogenesis
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toxins in upper respiratory tract
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strepto-coccal pharyngi-tis host response
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redness/ edema/ enlargement with tenderness/ painful swallowing/ fever/ headache/ nausea/ abdominal pain
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necro-tizing fasciitis “flesh-eating bacteria” epidemiology
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paren-teral small abrasions or cuts
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necro-tizing fasciitis “flesh-eating bacteria” pathogenesis
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production of various exoenzymes & exotoxins as superantigens
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necro-tizing fasciitis “flesh-eating bacteria” host response
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rapid connective tissue destruction/ life-threatening
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α- hemolytic dental caries description
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normal inhabitants of gums & teeth/ slime layers adhere tightly teeth surface
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α- hemolytic dental caries epidemiology
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oral/ normal bacterial flora
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α- hemolytic dental caries pathogenesis
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bacteria use sucrose to form plaque/ inhibiting lactic acid neutrali-zation
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α- hemolytic dental caries host response
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break down of tooth enamel/ dentin/ pulp cavity/ toothache
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Name the disease for Strepto-coccus pneumo-niae
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α- hemolytic
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Pneumo-niae description
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pairs or short chains/ large capsules
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Pneumo-niae epidemiology
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normal micro-biota of naso-pharynx/ Secretions droplet/ delicate
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Pneumo-niae pathogenesis
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mucus with bacteria aspirated into lungs of susceptible individuals/ multiply induce overwhelming inflammatory response
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Pneumo-niae host response
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chills/ shaking/ rapid breathing/ fever/ severe chest pain/ cyanosis/ cough with bloody sputum/ abnormal breathing sounds
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Name the disease for Neisseria gonor-rhoeae (gono-coccus)
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gonorrhea & gonococcal infection in infants
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Gonorrhea description
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diplococcus
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Gonorrhea epidemiology
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sexual contact (STD)
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Gonorrhea pathogenesis
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pathogen invades spaces separating mucosal cells/ induce immune response
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Gonorrhea host response
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in men/ painful urination with pus in women/ bloody vaginal discharge or urethra/ if cervix is affected/ may cause abdominal pain/ may lead to PID
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gonococcal infection in infants description
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diplococcus
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gonococcal infection in infants epidemiology
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birth canal/ direct contact
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gonococcal infection in infants pathegenesis
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pathogen invades spaces separating mucosal cells/ induce immune response
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