Mycology

Question 0

Thermal dimorphism in fungi
Room temp
Body temp

Answer 0

Mold

Yeast

Question 1

Major membrane sterol of fungi

Answer 1

Ergosterol

Question 2

Laboratory Diagnosis

Microscopy of _ preparation

Answer 2

KOH

Dissolves human cells

Question 3

Laboratory Diagnosis

_ agar

Answer 3

Saboraud’s

Low pH inhibits bacterial growth

Question 4

Amanita mushrooms

Answer 4

Amanitin and phylloidin

Liver necrosis

Question 5

Aspergillus flavus

Answer 5

aflatoxin

Liver cancer

Question 6

Aspergillus fumigatus

Answer 6

Allergic bronchopulmonary aspergillosis (IgE mediated)

Question 7

Cutaneous mycoses

Answer 7

Dermatophytoses
Malassezia furfur
Sporotrix schenkii

Question 8

Systemic Mycoses

Answer 8

Coccidioses immitis
Histoplasma capsulatum
Blastomycoses dermatidis
Paracoccidiodes brasiliensis

Question 9

Opportunistic Mycoses

Answer 9

Candida albicans
Cryptococcus neoformans
Aspergillus fumigatus
Mucormycosis
Pneumocystis jiroveci

Question 10

Infect only superficial keratinized structures

Answer 10

Dermatophytoses

Question 11

Important dermatophytes

Answer 11

Microsporum canis
Trichophyton tonsurans
Epidermophyton floccosum

Question 12

Inflamed circular border containing papules and vesicles surrounded by clear area of relatively normal skin

Answer 12

Dermatophytoses

Question 13

Hypersensitivity found in an area distant to the infection

Answer 13

Ghost reaction

Dermatophytid reaction

Question 14

10% KOH: septate hyphae

Saboraud’s agar: hyphae and conidia

Answer 14

Dermatophytoses

Question 15

Dermatophytoses

Wood’s lamp

Answer 15

Green fluorescence

Question 16

Treatment for dermatophytoses

Answer 16

Local antifungal cream

Question 17

Tinea versicolor

An-an

Answer 17

Malassezia furfur

Question 18

Malassezia furfur

10% KOH

Answer 18

Spaghetti and meatballs

Question 19

Treatment for Malassezia furfur

Answer 19

Miconazole

Question 20

Dimorphic fungus that lives on vegetation

Transmitted to gardeners particularly rose pruners through THORN PRICK

Answer 20

Sporotrichisis
Sporothrix schenkii
Itraconazole or KI

Question 21

Latin America and Southwestern USA
Mold in soil
Spherule in tissue

Answer 21

Coccidioides immitis

Question 22

Inhalation of ARTHROSPORES
Erythema nodosum or dessert bumps for intact CMI
Granulomata in bones and CNS for defective CMI

Answer 22

VALLEY FEVER
Coccidioides immitis
Amphotericin B

Question 23

Two asexual spore types of Histoplasma capsulatum

Answer 23

Tuberculate macroconidia diagnosis

Microconidia transmission

Question 24

Endemic in Ohio and Mississippi river valleys (eastern North America)

Answer 24

Histoplasma capsulatum | Blastomycoses dermatitis

Question 25

Grows in soil contaminated with bird droppings or STARLINGS bat guano

Answer 25

Histoplasma capsulatum | Amphotericin B

Question 26

TB mimicker

Answer 26

Histoplasma capsulatum | Paragonimus westermani

Question 27

Round yeast with BROAD BASED bud

Answer 27

Blastomycoses dermatitidis

Question 28

Most common cause of chronic fungal pneumonia

Answer 28

Blastomycoses dermatitidis | Itraconazole

Question 29

Thick yeast with multiple buds in wheel configuration

Answer 29

MARINER'S WHEEL | Paracoccidioides brasiliensis

Question 30

Central and South America

Answer 30

Paracoccidioides brasiliensis | Itraconazole

Question 31

Lutz Almeda de Splendor disease

Answer 31

Paracoccidioides lutzir

Question 32

Germ tubes in serum | Chlamydospores in culture

Answer 32

Candida albicans

Question 33

Vulvovaginitis with curdlike discharge

Answer 33

Immunocompetent C albicans Disseminated - amphotericin B

Question 34

Satellite lesions

Answer 34

Immunocompetent C albicans Clotrimazole

Question 35

Whitish yellowish plaque | Pseudomembranous esophagitis

Answer 35

Immunocompromised C albicans Nystatin swish and swallow

Question 36

Chemoprophylaxis for C albicans

Answer 36

Fluconazole

Question 37

Pseudohyphae

Answer 37

C albicans

Question 38

Oval yeast with NARROW BASED bud surrounded by polysaccharide capsule in India ink (NEGATIVE STAINING)

Answer 38

Cryptococcus neoformans

Question 39

C neoformans var neoformans var gatti

Answer 39

Bird droppings | Eucalyptus tree

Question 40

Most common cause of meningitis in HIV patients presenting as chronic HA and benign dizziness

Answer 40

Cryptococcus neoformans

Question 41

Asymptomatic pneumonia

Answer 41

Cryptococcus neoformans

Question 42

DOC for C neoformans

Answer 42

Amphotericin B | Flucytosine

Question 43

Chemoprophylaxis for C neoformans

Answer 43

Fluconazole

Question 44

Septate hyphae that form V SHAPED/DICHOTOMOUS BRANCHES

Answer 44

Aspergillus

Question 45

Aspergilloma

Answer 45

Aspergillus fumigatus | Amphotericin B

Question 46

Asthmatic symptoms with expectoration of brownish bronchial plugs

Answer 46

Allergic bronchopulmonary aspergillosis

Question 47

Mucormycosis

Answer 47

Rhizopus oryzae | Mucor spp

Question 48

Nonseptate hyphae with branches at RIGHT ANGLES

Answer 48

Mucormycosis

Question 49

RHINOORBITALCEREBRAL infection with eschar formation in patients with DKA, burns or leukemia

Answer 49

Mucormycosis

Question 50

Indeterminate organism with major surface glycoprotein that undergoes programmed rearrangements

Answer 50

Pneumocystic jiroveci/carinii

Question 51

Diagnosis of Pneumocystic jiroveci/carinii

Answer 51

BAL washings - toluidine blue - methenamine silver stain

Question 52

Inhalation of CYSTS cause FROTHY EXUDATE that blocks oxygen exchange leading to ARDS

Answer 52

Pneumocystic jiroveci/carinii

Question 53

Bilateral ground glass infiltrates

Answer 53

PCP | Pneumocystic jiroveci/carinii

Question 54

Most common AIDS defining illness

Answer 54

PCP CD4<200 Pneumocystic jiroveci/carinii

Question 55

DOC for PCP

Answer 55

TMP-SMX

Question 56

Spelunker's disease

Answer 56

Histoplasma

Question 57

Diagnostic test for Histoplasma

Answer 57

Culture

Question 58

Wood's lamp Dermatophytoses Malassezia furfur

Answer 58

Green | Orange

Question 59

Asteroid bodies

Answer 59

Sporotrix schenkii

Question 60

10% potassium hydroxide cleared lesion scrapings reveal typical, thick-walled, cigar-colored, sclerotic cells, also known as Medlar bodies, are readily seen.

Answer 60

Chromomycosis

Question 61

Copper pennies on histology

Answer 61

Chromomycosis