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Microbiology Kaplan > Fungi and parasites > Flashcards

Fungi and parasites Flashcards

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Biology 101 flashcards
1
Q

Fever spikes caused by P. malariae occur every how often

A

Every 72 hours

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2
Q

Fever spikes caused by P. vivax and P. ovale occur every how often

A

Every 48 hours

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3
Q

Most common complication of P. vivax infection

A

Splenic rupture

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4
Q

Plasmodium species that causes cerebral malaria

A

Falciparum

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5
Q

DOC for cutaneous mycosis

A
  • Azoles

* Terbinafine

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6
Q

Where are echinococcus eggs found

A

Dog’s feces

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7
Q

Taenia solium stage that, when consumed, can lead to neurocysticercosis

A

Eggs

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8
Q

Nematode that can lead to rectal prolapse

A

Trichuris trichiuria

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9
Q

Nematode whose larvae encysts in the muscles

A

Trichinella spiralis

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10
Q

Infectious agent of river blindness

A

Onchocerca volvulus

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11
Q

Mechanism of action of terbinafine

A

Inhibition of squalene epoxidase

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12
Q

Fungi that can cause erythema nodosum

A

Coccidioides immitis

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13
Q

Etiologic agent of tinea nigra

A

Hortaea wernickii

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14
Q

Drugs given to patients that asymptomatically pass Entamoeba histolytica

A
  • Paramomycin

* Iodoquinol

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15
Q

DOC for immunocompetent hosts with Cryptosporidium diarrhea

A

Nitazoxanide

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16
Q

Pathogen that has acid-fast elliptical oocysts

A

Isospora

17
Q

DOC for Isospora infection

A
  • TMP/SMX

* Pyrimethamine/sulfadiazine

18
Q

Parasite with gram +, acid-acid fast spores

A

Isospora

19
Q

Parasite that has acid-fast spherical oocysts with UV fluorescence

A

Cyclospora

20
Q

How do you differentiate between Cyclospora and Cryptosporidium

A

Cryptosporidium is not sensitive to TMP/SMX, while Cyclospora is

21
Q

When is transplacental transmission of Toxoplasma gondii the highest

A

3rd trimester

22
Q

Drug that substitutes pyrimethamine in pregnant women with Toxoplasma gondii due to its teratogenic effects

A

Spiramycin

23
Q

Rhabditiform larvae are seen with infection due to which pathogen

A

Strongyloides stercoralis

24
Q

Etiologic agents of cutaneous larva migrans

A

The hookworms

25
Q

Etiologic agent of visceral larva migrans

A

Toxocara canis

26
Q

Microfilaria that is found in blood during daytime

A

Loa loa

27
Q

Microfilaria that is found in blood during nighttime

A

Wuchereria bancrofti

28
Q

Bacteria with which W. bancrofti has a symbiotic relationship

A

Wolbachia

29
Q

Schistosoma with a lateral spine

A

S. mansoni

30
Q

Schistosoma with a terminal spine

A

S. haematobium

31
Q

Mechanism of action of azoles

A

Inhibit sterol synthesis

32
Q

Mechanism of action of caspofungin

A

Inhibit cell wall synthesis by inhibiting synthesis of beta glucan

33
Q

Antifungal that inhibits squalene epoxidase (thereby inhibiting lanosterol synthesis)

A

Terbinafine

Microbiology Kaplan (3 decks)

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