Chapter 21: Microbial Diseases of the Skin and Eyes Flashcards
(58 cards)
1
Q
S. Aures
A
- gram positive
- cocci
- coagulates
- Exfoliative toxin
- Causes: TSS (superantigen) and MRSA (antibiotic resistance)
2
Q
characteristics of invasion
A
- sty/folliculitis
- funicle
- carbuncle / draining pus
2
Q
S. Aures causes
A
- invasion
- scaled skin syndrom
- toxic shock syndrom
- impetigo of the newborn
2
Q
sty
A
folliculitis of the eyelash
3
Q
folliculitis
A
infection of the hair follicles
4
Q
furuncle
A
pus surrounded by inflamed tissues
- pus, redness, and swelling
5
Q
Carbuncle
A
inflammation of the tissue under the skin
6
Q
Impetigo (of newborns)
A
yellowish , inflamed, crusting sores
7
Q
Scaled Skin Syndrom (SSS) characterisitics
A
- redness
- blisters
- clear fluid (contagious)
- peal off skin
8
Q
Exfoliated Exotoxin
A
- breaks ester bonds of the skin
- causes Scaled Skin Syndrome
9
Q
Scaled Skin Syndrome is a danger because of
A
secondary infection
10
Q
Toxic shock syndrom is caused by
A
- tampons
- surgical wounds
- childbirth
11
Q
Symptoms of toxic shock syndrome
A
- fever
- aches
- nausea, vomiting
- confusion
- kidneys
- shock
12
Q
what are tampon the most common causes of Toxic Shock Syndrome
A
- nutrient rich (blood)
- abrasive material
- insertion = portal of entry
13
Q
what are some precaution you should take before inserting a tampon to prevent s. aureus
A
- hand-washing (before and after)
- pads
- lowing absorbency of the tampon
14
Q
s. pyogenes
A
Group A beta-hemolytic streptococci (forms clear zone)
- Aka: gas organism
- produces: hemolysins, hyaluronidase, streptokinases
- has M proteins
- grows by blood agar
15
Q
s pyogenes causes
A
- Impetigo of school age children (3-5years old)
- Erysipelas
- Invasion
16
Q
Erysipelas
A
- dermal layer lesions
- red patches with margins
17
Q
s pyogenes invasion causes + steps
A
- necrotizing pascitis (flesh eating disease due to exotoxin A
1. entery
2. exoenzyme
3. exotoxin
4. mulitple organ failure
5. dealth (50%)
18
Q
Pseudomonas arguniosa characteristics
A
- gram negative bacteria
- aerobic
- rod
- opportunistic infection: grows in flower vases, mop water, liquid antibiotics, antiseptics (carbon)
- contain flagella (mono or lopho)
- secrete blue or green pigment
- psycotrophic organism
19
Q
Pseudomonas arginosa causes
A
- dermatitis / rash
- otitis externa (swimmers ear)
- post burn infection (blue/green pus)
- in CF patients evades phagocytosis
20
Q
propionibacterium acnes
A
- gram positive
- anaerobic (EXCEPTION: all others are fermatators)
- rod
- causes acne
21
Q
warts are caused by
A
papillomavirus
22
Q
what are the 5 wart treatments
A
- cryotherapy / freezing
- electrodesication / cauterization (burinng)
- salicilic acid (over the counter)
- laser surgery
5.
23
how to prevent warts
vaccine (4 strains)
24
warts are associated with
70% of cervical cancers, and throat cancer
25
watrs
epidermal perfusions/infection (superfical)
26
how are warts spread
fomite; sexual(genetal warts)
27
how many species of warts are there
50
28
plantar warts
- most painful
- caused by being barefoot at the swimming pool
29
herpes simple virus 1
- latent
- reoccurance (lips)
- spread: oral / respitory
- cause: cold sores / fever blisters
30
herpes simple virus 1 is most common in
healthcare workers/ medical personel
31
HSV-1 hides in
CH5
- trigcminal nerve
32
HSV-2 hides in
the sacral nerve ganglion
33
HSV-2
- latent
- reoccurrence (can cause herpes encephalitis)
- spread: sexual contact
- casues: genital sores
34
treatment for HSV-2
Acyclovir
35
HSV-3 is also known as
chicken pox
36
HSV-3 hides in
the dorsal route ganglion
37
HSV-3
- latent
- reoccurance
- casued by vercella-zoster virus
- spread:respitory route
- incubation (1-2 weeks)
- Exantum (respitory tract --> blood --> skin)
38
HSV-3 incubation stages (4)
- macular demostration
- papule
- vessicle
- pustule
39
HSV-3 treatment
- Acyclovir
- vaccine
40
Acyclouvir
- Gaumine
- shuts down DNA synthesis
41
trachoma is caused by
Clamydia trachomitis
42
Clamydia trachomitis
- spread through air and interpersonal contact
- coccobacillus
- aeorobic
- Casues: blindness/trachoma, non-gonochoccal urthristis (NGU), lympho granuloma enereum (LGV)
43
trachoma is most common in
- unsanitary conditions
- inavaliabilty of antibiotic supple
44
stages of trachoma
conjectivitis --> inturned eyelids
--> cornea --> abraded --> trachomitis --> blindness
45
what is the difference in bacterial and viral conjectivitis
pus is present in bacterial conjectivitis
46
what are the causes of conjectivitis
- bacterial: psudomonas species
- viral
47
conjunctivitis symptoms
- red swollen eyes
- watery
- sensitivity
48
exanthem
skin rash arising from another focus of infection
49
example of exanthems
- smallpox
- chickenpox
- measles
- rubella
50
Latent chicken pox becomes
shingelles
51
rumbola is also known as
red measles
52
rumbola is spread through
the respitory route
53
Rumbola and rubella can be prevented by
the MMR vaccine
- no antiviral medication
54
Rumbola is dangerous in
infants/ pregnancy
55
symptoms of rumbola
- cold symptoms
- conjectivitis
- macular (spotted) rash
-*Koplik spots + red oral rash*
- otitis media (children)
- Encephalitis (can become SSPE)
56
rubella
- discovered in germany
- mild
- pink rash
- dangerous in pregnancy (congenital rubella syndrome, mental retardation, cataracts)
