Mycology

Question 0

4 molds that cause fungal infections

Answer 0

1. Aspergillus fumigatus
2. Mucor and Rhizopus
3. Dermatophytes
4. Tinea versicolor

Question 1

3 yeasts responsible for opportunistic fungal infections

Answer 1

1. Candida albicans
2. Cryptococcus neoformans
3. Pneumocystic jirovecii

Question 2

5 systemic mycoses

Answer 2

1. Histoplasma capsulatum
2. Blastomyces dermatiditis
3. Coccidiodes immitis
4. Paracoccidiodes brasiliensis
5. Sporothrix schenkii

Question 3

Found in SW U.S. including West TX and California

Answer 3

Coccidiodes immitis

Question 4

Mississippi and Ohio River Valley

Answer 4

Histoplasma capsulatum

Question 5

Causes San Joaquin Valley fever

Answer 5

Coccidiodes immitus

Question 6

rural Latin America

Answer 6

Paracoccidiodes brasilensis

Question 7

Associated with plant thorns and cutaneous injury

Answer 7

Sporothrix schenckii

Question 8

Found in states east of Mississippi River

Answer 8

Blastomyces dermatiditis

Question 9

Found in bird and bat droppings

Answer 9

Histoplasma capsulatum

Question 10

Mold form contains barrel-shaped arthroconidia

Answer 10

Coccidiodes immitus

Question 11

Broad-based budding yeat

Answer 11

Blastomyces dermatididis

Question 12

Multiple budding of yeast form

Answer 12

Paracoccidiodes brasiliensis

Question 13

Causes diaper rash

Answer 13

Candida albicans

Question 14

Opportunistic mold with septate hyphae that branch at 45 degree angle

Answer 14

Aspergillus fumigatus

Question 15

Opportunistic mold with irregular nonseptate hyphae that bracnh at wide angles (90 degrees or more)

Answer 15

Mucor or Rhizopus

Question 16

Associated with dust storms of earthquake

Answer 16

Coccidiodes immitus

Question 17

Thrush in immunocompromised or vulvovaginitis in women

Answer 17

Candida albicans

Question 18

Pnemonia in AIDS pt

Answer 18

Pnemocystis jirovecii

Question 19

Meningitis in AIDS pt

Answer 19

Cryptococcus neoformans

Question 20

5 infections associated with birds (not all are fungi)

Answer 20

1. Histoplasma capsulatum
2. Cryptococcus neoformans
3. Chlamydophila psittaci
4. West Nile virus
5. H5N1 Influenza

Question 21

Start what drug for prophylaxis against Pneumocystis jirevocii when CD4+ counts drop below 200 in AIDS pt

Answer 21

Trimethoprim-Sulfamethoxazole (TMZ)

• if allergic, use pentamidine, dapsone or clindamycin + primaquine

Question 22

Yeast in CSF of AIDS pt is almost alway due to what?

Answer 22

Cryptococcal meningitis

Question 23

Most common opportunistic infection in AIDS patients

Answer 23

Pneumocystic jiroveccii

Question 24

Prophylaxis for Cryptococcus in AIDS pt

Answer 24

Fluconazole

Question 25

Tx for Sporothrix schenkii

Answer 25

Potassium iodide or itraconazole

“Plant a ROSE in a POT”

Question 26

Tx for oral candidiasis (thrush)

Answer 26

Nystatin or fluconazole

Question 27

Tx for systemic candidiasis

Answer 27

Amphotericin B

Question 28

“Fungus ball”

Answer 28

Aspergillis—> asperigilloma, found in lung cavities, esp after TB infections

Question 29

“Soap bubble” lesions

Answer 29

Crytococcus; these will be in brain

Question 30

Why do Mucor and Rhizopus cause black eschars

Answer 30

invade blood vessels, occluding them and causing necrosis

Question 31

Mucormycosis–> who gets

Answer 31

Diabetics IN KETOACIDOSIS