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global health > lec 13-fungi and worms > Flashcards

lec 13-fungi and worms Flashcards

1
Q

How many cells does a worm have?

A

many- multicellular

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2
Q

metazoan parasites are also called __

A

melminths

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3
Q

Schistosomes cause_

A

Swimmer’s itch and Schistosomiasis

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4
Q

Filariasis causes

A

river blindness and lymphatic filariasis

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5
Q

faiulre to thrive syndrome and iron dfeficinecy anemia are caused by what metazoan parasite?

A

hookworm

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6
Q

besides hookworm,Filariasis, and schistomes, name 3 more metazoan parasites!

A

guinea worm, heartworm, tapeworm

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7
Q

what is the deinitive host for schistozomes?

A

HUman liver/intestine/bladder

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8
Q

What happens before skin penetration of schistomes?

A

Eggs are laid, grow into fresh water snails, make cercaria

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9
Q

A single schistomes worm makes how many eggs?

A

2000

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10
Q

most schistome eggs get stuck in the body, causing chronic disease and what type of issues?

A

obstructions, liver cirrhosis, cancer, hepatosplenic enlargement

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11
Q

In swimmer’s itch the definitive host is?

A

fresh water fowl

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12
Q

In swimmer’s itch, what happens before human penetration?

A

eggs become the intermediate fresh water snails, then cercariae

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13
Q

In the filaria life cycle, what is the progeny?

A

microfiliarae

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14
Q

WHat is the filiarae intermediate?

A

black fly/mosquito

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15
Q

Filiarae creates what problems?

A

skin/lymph infection, maturation

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16
Q

How many people are at risk and infected for onchocerca?

A

120 million at risk, 18 million infected

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17
Q

chronic river blindness leads to ___

A

opaque cornea

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18
Q

filiariasis causes what to form under the sin? symptoms are?

A

nodules- inflammation, itch, swell, loss of pigmentation

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19
Q

what is the medicine used to treat lymphatic filiariasis?

A

Ivermectin

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20
Q

How many are at risk and affected by lymphatic fillariasis?

A

1.2 billion at risk, and 120 million affected

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21
Q

Obstruction of the lymphatic system leads to what? Is this larvae or adult forms?

A

Swelling (elephantiasis), adult

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22
Q

The hookworm penetrates the skin, and then migrating where, ecentually causing an intestinal infection.

A

heart, lungs, esophagus

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23
Q

Hookworm adults or larvae penetrate human skin?

A

larva

24
Q

Hookworms feed on __, causing __hemorrhaging.

A

blood; intestinal

25
Q

hookwroms can cause

A

stunted growth and anemia

26
Q

The intermediate for the guinea worm is?

A

the water flea

27
Q

Water fleas are ingested through what medium?

A

Though unfiltered water

28
Q

Heartworm is in which mammals? another name for this disease is?

A

dogs and humans; dirofiliariasis

29
Q

Suckers or hooks on both sides, flatworms, what do I describe?

A

tapeworms

30
Q

Naegleria fowleri is a?

A

brain eating ameoba

31
Q

When is Naegleria fowleri spread? (season) and to whomst?

A

summer- humans and cattle

32
Q

Naegleria fowleri is prevalent in the locations of?

A

EU, Aus, Arizona

33
Q

Naegleria fowleri causes what disease?

A

PAM (primary amebic meningocephalitis)

34
Q

_ days from symptom to death in PAM

A

5

35
Q

How many cells does non AIDS fungi have?

A

1

36
Q

a fungal infection of the keratin
component of the hair, skin or nails is called

A

tinea

37
Q

on or with hair shafts, head

A

capitis type of tinea

38
Q

ringworm of hairless skin

A

glabrosa

39
Q

nigra is?

A

dark lesions on palms

40
Q

genitocrural areas (jock itch) is called?

A

cruris – genitocrural areas (jock itch)

41
Q

Inflammation associated with the edge of the infection
Central area has clearing
No worms! describes?

A

ringworm

42
Q

sporothrix is what type of fungus species?

A

dimorphic

43
Q

A pulmonary infection will cause what issues?

A

Necrosis in lung and Hyphae in lung

44
Q

is Candida albicans
and related species rare or common?

A

common

45
Q

is Cryptococcus neoformans common or rare?

A

rare

46
Q

is Pneumocystis carinii common or rare?

A

common

47
Q

This is invasive and causes a fungal ball and allergy. What is it called?

A

aspergillus

48
Q

sinusitis starts in the sinus, moving to

A

the obit, palate, face, nose, and brain

49
Q

sinustis coma death occurs in what timeframe?

A

4 weeks after symptoms

50
Q

After edema and eythema, headace, and acute symptoms, what happens next in sinusitis?

A

blindness and cerebal infaction

51
Q

How is c.auris transmitted?

A

person to person it is on skin, and hard surfaces for weeks

52
Q

How resistant is c. auris to disinfectants?

A

90%

53
Q

What testing can we do for c. auris in da lab?

A

PCR, sequencing, MALDI-TOF, assay

54
Q

Fusarim was found in which recall item?

A

bauch and laumb renu contact solution

55
Q

Stachybotrys is a ___

A

home fungal infection

56
Q

Circulating antibodies are the cause of infection, T?F?

A

FALSE- EVERYONE HAS THEM AND WE ARE CONSTANTLY EXPOSED

global health (29 decks)

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