ID 8

Question 1

How does elementary body of chlamydia enter cell?

Answer 1

endocytosed

Question 2

chlamydia life cycle

Answer 2

elementary body enfects cell –> endocytose –> reticulate body replicates by fission –> reorganizes into elementary bodies

Question 3

ophtho presentation of chlamydia

Answer 3

follicular conjunctivitis, which can lead to blindness

Question 4

chlamdyophilia pneumonia and psittaci transmission

Answer 4

aerosol

Question 5

characteristic finding with chlamydia neonatal pneumonia

Answer 5

staccato cough + eosinophilia

Question 6

STD caused by chlamydia

Answer 6

lymphogranuloma venereum

Question 7

serotypes that cause lymphogranuloma venereum?

Answer 7

L1,L2,L3

Question 8

treatment options for mycoplasma

Answer 8

1) macrolides
2) doxycycline
3) fluoroquinolone

Question 9

mycoplasma structure

Answer 9

pleomorphic

Question 10

dimorphic fungi characteristics and exception

Answer 10

Cold (20C) = mold
heat (37C) = yeast
*coccidoido spherule, not yeast in tissue

Question 11

treatment for systemic mycosis

Answer 11

local infection = fluconazole or itroconazole

systemic infection = amphotericin B

Question 12

systemic mycoses contagious?

Answer 12

no

Question 13

systemic mycoses can form granulomas

Answer 13

ok

Question 14

blastomycosis location

Answer 14

eastern US + central america

Question 15

blastomycosis on pathology

Answer 15

broad-base budding (blasto buds broadly)

Question 16

blastomycosis histology

Answer 16

granulomatous nodules

Question 17

blastomycosis presentation

Answer 17

inflammatory lung disease that can disseminate to skin and bone

Question 18

characteristic coccidoido path

Answer 18

spherules filled with endospores

Question 19

other name for coccidoido arthralgias

Answer 19

desert rheumatism

Question 20

other name for coccidoido erythema nodosum

Answer 20

desert bumps

Question 21

other name for coccidoido

Answer 21

San Joaquin Valley fever

Question 22

tinea presentation

Answer 22

branching septet hyphae on KOH preparation with blue fungal stain

Question 23

tine capitis associations

Answer 23

1) lymphadenopathy
2) alopecia
3) scaling

Question 24

tinea corporis findings..

Answer 24

1) scaling rings (ringworm)

2) central clearing

Question 25

tinea corporis sources

Answer 25

infected cat or dog

Question 26

rash in inguinal area without central clearing think...

Answer 26

tinea cruris

Question 27

tinea unguium

Answer 27

onychomychosis; occurs on nails

Question 28

dermatophytes

Answer 28

microsporum trichophyton epidermophyton

Question 29

malassezia organism type

Answer 29

yeast-like fungus

Question 30

malassezia pathohpys

Answer 30

degradation of lipids --> acid production --> damaged to melanocytes --> hypo pigmented patches

Question 31

tinea versicolor treatment

Answer 31

selenium sulfide, topical and/or oral antifungals

Question 32

other name for tinea versicolor

Answer 32

pityriasis versicolor

Question 33

candida form

Answer 33

dimorphic; pseudohyphae and budding yeast at 20C, germ tubes at 37 C

Question 34

cause of diaper rash?

Answer 34

candida

Question 35

treatment options for systemic canddia

Answer 35

1) fluconazole 2) caspofungin 3) amphotericin

Question 36

ABPA findings

Answer 36

bronchiectasis | eosinophilia

Question 37

cryptococcus description

Answer 37

5-10 micrometer with narrow budding. heavily encapsulated.

Question 38

what does latex agglutination test?

Answer 38

polysaccharide capsular antigen

Question 39

classic finding in cryptococcal encephalitis?

Answer 39

soap bubble lesions in brain

Question 40

nucor and rhizupus structure

Answer 40

Irregular, broad, nonseptate hyphae branching at wide angles.

Question 41

RF's for mucor

Answer 41

1) diabetes | 2) neutropenic

Question 42

mucor route of infection

Answer 42

Proliferate in blood vessel walls --> penetrate cribriform plate --> enter brain.

Question 43

mucor sequelae

Answer 43

1) rhino cerebral abscesses 2) frontal lobe abscess 3) cavernous sinus thrombosis

Question 44

CXR finding with pneumocystis

Answer 44

Diffuse, bilateral ground-glass opacities.

Question 45

how do you diagnose pneumocystis?

Answer 45

lung biopsy or lavage

Question 46

when do you start prophylaxis with pneumocystis?

Answer 46

below 200

Question 47

prophylaxis for pneumocystis?

Answer 47

dapsone

Question 48

sporothrix description

Answer 48

cigar-snapped budding yeast that grows in branching hyphae with rosettes of conidia

Question 49

term for presentation of sporothrix

Answer 49

ascending lymphangitis