Infectious Diseases Midterm and Final Exam
Review Guide 2025/2026
1. Skin - Folliculitis - bacte- Staphylococcus aureus - pimple/sty - furnuncle (several infected folli-
ria cles) Carbuncle (Many infected follicles)
2. Skin - Staphylococcal Staphylococcus aureus - red skin with blistering
scalded skin syndrome -
bacteria
3. Skin - Impetigo - bacteria Staphylococcus aureus and streptococcus pyogenes - �at red patches -
honey colored crust
4. Skin - Erysipelas - bacte- Streptococcus pyogenes - reddening of skin on face/arms/legs on one
ria side of body
5. Skin - Cellulitis - bacteria Streptococcus and Staphylococcus. - swelling and redness that is hot
and tender to the touch
6. Skin - necrotizing fascili- Streptococcus pyogenes - hot and painful sunburn like rash
tis - bacteria
7. Skin - Acne - bacteria Cutibacterium acnes - blackheads and pimples
8. Skin - Cat Scratch Dis- Bartonella henselae - localized swelling of lymph caused by cat scratch
ease - bacteria
9. Skin - pseudomonas in- Pseudomonas aerugiosa - blue-green pigment - scab like crust
fection - bacteria
10. Skin - spotted fever rick- Rickettsai rickettsii - spotted non itchy rash - ticks of genus dermacentor
ettsiosis - bacteria
11. Skin - cutaneous anthrax Bacillus anthracis - itching with painless raised lesion - black eschar
- bacteria
12. Skin - rubella - virus Rubivirus or rubella virus - swollen lymph - red/pink �at rash
1/9
, 13. Skin - Measles - virus Morbillivirus - Koplik spots, rash on forehead
14. Skin - Erythma infectio- Parovirum B19 - bright red rash on cheeks
sum - virus
15. Skin - Resola - virus Human Herpesvirus 6 - Abrupt fever with faint pink rash on body
16. Skin - chickenpox/shin- Varicella-zoster virus - skin lesions on back/trunk - �uid lled that dry
gles - virus and crust over - NOT A POXVIRUS
17. Skin - smallpox - virus Varola virus - sores that cover the body
18. Skin -Herpes - virus Human Herpesvirus 1 and 2 - painful itchy lesions - life threatening to
infants
19. Skin - warts (Papillomas) Papillomavirus - benign growths - usually painless
- virus
20. Skin - Pityrisis Versicolor Malassezia furfur - Hypo-Hyperpigmented patches of scaly skin
- fungi
21. Skin - cutaneous my- Trichophyton, microsporum, epidermophyton - fungi growth (Tinea
coses - fungi pedit - foot; cruris - jock; unguium - nail; corporis - trunk; capitis - head)
22. Skin - chromoblastomy- Fonsecoaea pedosoi, compacta; philophora verrucosa, cladophialpho-
cosis - fungi ra carrionii - small itchy scaly lesions - may require amputation
23. Skin - Sporotrichosis Sporothrix schenkii - lesions following lymph - soil
(gardeneres diesease) -
fungi
24. Skin - leishmaniasis - pro- Leshmania sp - large skin ulcer - sand �y
tozoa
25. Skin - scabies - protozoa Sarcoptes scabei - itchy rash pimple like - mite
2/9
Review Guide 2025/2026
1. Skin - Folliculitis - bacte- Staphylococcus aureus - pimple/sty - furnuncle (several infected folli-
ria cles) Carbuncle (Many infected follicles)
2. Skin - Staphylococcal Staphylococcus aureus - red skin with blistering
scalded skin syndrome -
bacteria
3. Skin - Impetigo - bacteria Staphylococcus aureus and streptococcus pyogenes - �at red patches -
honey colored crust
4. Skin - Erysipelas - bacte- Streptococcus pyogenes - reddening of skin on face/arms/legs on one
ria side of body
5. Skin - Cellulitis - bacteria Streptococcus and Staphylococcus. - swelling and redness that is hot
and tender to the touch
6. Skin - necrotizing fascili- Streptococcus pyogenes - hot and painful sunburn like rash
tis - bacteria
7. Skin - Acne - bacteria Cutibacterium acnes - blackheads and pimples
8. Skin - Cat Scratch Dis- Bartonella henselae - localized swelling of lymph caused by cat scratch
ease - bacteria
9. Skin - pseudomonas in- Pseudomonas aerugiosa - blue-green pigment - scab like crust
fection - bacteria
10. Skin - spotted fever rick- Rickettsai rickettsii - spotted non itchy rash - ticks of genus dermacentor
ettsiosis - bacteria
11. Skin - cutaneous anthrax Bacillus anthracis - itching with painless raised lesion - black eschar
- bacteria
12. Skin - rubella - virus Rubivirus or rubella virus - swollen lymph - red/pink �at rash
1/9
, 13. Skin - Measles - virus Morbillivirus - Koplik spots, rash on forehead
14. Skin - Erythma infectio- Parovirum B19 - bright red rash on cheeks
sum - virus
15. Skin - Resola - virus Human Herpesvirus 6 - Abrupt fever with faint pink rash on body
16. Skin - chickenpox/shin- Varicella-zoster virus - skin lesions on back/trunk - �uid lled that dry
gles - virus and crust over - NOT A POXVIRUS
17. Skin - smallpox - virus Varola virus - sores that cover the body
18. Skin -Herpes - virus Human Herpesvirus 1 and 2 - painful itchy lesions - life threatening to
infants
19. Skin - warts (Papillomas) Papillomavirus - benign growths - usually painless
- virus
20. Skin - Pityrisis Versicolor Malassezia furfur - Hypo-Hyperpigmented patches of scaly skin
- fungi
21. Skin - cutaneous my- Trichophyton, microsporum, epidermophyton - fungi growth (Tinea
coses - fungi pedit - foot; cruris - jock; unguium - nail; corporis - trunk; capitis - head)
22. Skin - chromoblastomy- Fonsecoaea pedosoi, compacta; philophora verrucosa, cladophialpho-
cosis - fungi ra carrionii - small itchy scaly lesions - may require amputation
23. Skin - Sporotrichosis Sporothrix schenkii - lesions following lymph - soil
(gardeneres diesease) -
fungi
24. Skin - leishmaniasis - pro- Leshmania sp - large skin ulcer - sand �y
tozoa
25. Skin - scabies - protozoa Sarcoptes scabei - itchy rash pimple like - mite
2/9
