Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Microbiology lab > parasites > Flashcards

parasites Flashcards

(107 cards)

Start Studying
1
Q

what is the form of motility for Plasmodium species

A

none they are apicomplexa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the mode of transmission for the Plasmodium species

A

the bite of the female Anopheles mosquito

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the infective stage of the Plasmodium species

A

the sporozoite- which is transferred from the Anopheles mosquito during her blood meal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the definitive host for the Plasmodium species

A

the Anopheles mosquito is the biological vector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the intermediate host for the Plasmodium species

A

a human

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the disease caused by Plasmodium

A

Malaria- it affects over 200 million new cases a year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the disease caused by Plasmodium

A

Malaria- it affects over 200 million new cases a year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what does the sporozoite infect in the human

A

it infects the human liver cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what does the sporozoite mature into?

A

they mature into schizonts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

when the schizonts rupture and are released what are they called

A

they are now called merozoites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

once released as the parasites can undergo asexual multiplication in what area of the human host

A

in the erythrocytes, this is called the erythrocytic cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the ring-stage of the parasite called

A

a trophozoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

when the trophozoite matures it becomes what?

A

a schizonts and then ruptures and releases merozoites and repeats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

if the schizonts when rupturing, enter a sexual erythrocytic cycle what do they produce

A

male and female gametocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how are the male and female gametocytes reintroduced to the female Anopheles mosquito

A

when she takes a blood meal from the human host

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

after the gametocytes enter the Anopheles mosquito they multiply in the stomach and generate what

A

zygotes are then created

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

when the zygote becomes motile in the Anopheles mosquitos stomach it enters what stage

A

ookinetes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

the ookinetes invade the midgut of the Anopheles mosquito where they develop into what

A

oocysts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

when the oocysts grow, rupture what is then released

A

sporozoite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

where do the sporozoite migrate to in the female Anopheles mosquito

A

the salivary glands, awaiting the mosquito to take a blood meal and infect the new human host

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the motility of Toxoplasma gondi

A

non motile , they are apicomplexa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what is the mode of transmission for Toxoplasma gondi

A

ingestion of the cyst, it is ingested by a pregnant women and transferred to the fetus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what is the infection stage of Toxoplasma gondi

A

the oocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the infection stage of Toxoplasma gondi

A

the oocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what is the definitive host for Toxoplasma gondi
a feline
26
what is the intermediate host for Toxoplasma gondi
a rodent, a bird, a human
27
what is the disease caused by Toxoplasma gondi
toxoplasmosis- 25% of the US population is infected
28
what is the motility of Cryptosporidium parvum
non motile, its apicomplexa
29
what is the mode of transmission for Cryptosporidium parvum
fecal/oral route, it is ingested
30
what is the infective stage of Cryptosporidium parvum
oocyst is the infective stage
31
what is the host of Cryptosporidium parvum
a human or other animals are the host
32
what is the disease caused by Cryptosporidium parvum
Cryptosporidiosis
33
what type of test is used to identify Cryptosporidium parvum
an acid fast stain | Kenyan acid fast stain
34
what is the motility of Leishmania donovani
flagella are used to move
35
what is the mode of transmission for Leishmania donovani
a bite from a sand fly
36
what is the infective stage of Leishmania donovani
promastigote
37
what is the definitive host for Leishmania donovani
the human
38
what is the intermediate host for Leishmania donovani
the sand fly
39
what disease is caused by Leishmania donovani
``` Kala azar (visceral Leishmaniasis) cutaneous Leishmaniasis ```
40
what is the motility of Trypanosoma species (brucei or cruzi )
flagella
41
what is the mode of transmission for Trypanosoma brucei
the tsetse fly
42
what is the infective stage for Trypanosoma brucei
trypomastigote
43
what is the infective stage for Trypanosoma brucei
trypomastigote
44
what is the definitive host for Trypanosoma brucei
human
45
what is the intermediate host for Trypanosoma brucei
tsetse fly
46
what is the disease caused by Trypanosoma brucei
African sleeping sickness
47
what is the mode of transmission for Trypanosoma cruzi
bite from the kissing bug
48
what is the infective stage of the Trypanosoma cruzi
trypomastigote
49
what is the definitive host of the Trypanosoma cruzi
human
50
what is the intermediate host of the Trypanosoma cruzi
the kissing bug
51
what is the disease caused by the Trypanosoma cruzi
Chagas disease ( South America and Texas)
52
what is the motility of Trichomonas vaginalis
flagella
53
what is the mode of transmission of Trichomonas vaginalis
sexual intercourse
54
what is the infective stage of Trichomonas vaginalis
trophozoite (there is no cyst stage)
55
what is the host for Trichomonas vaginalis
humans
56
what is the disease caused by Trichomonas vaginalis
sexually transmitted disease
57
what is the motility of Giardia lamblia
flagella
58
what is the mode of transmission for Giardia lamblia
fecal oral route, ingestion of the cyst
59
what is the infective stage of Giardia lamblia
cyst
60
what is the host for Giardia lamblia
humans and other animals
61
what is the disease caused by Giardia lamblia
Giardiasis
62
what is the motility of Balantidium coli
cilia
63
what is the mode of transmission for Balantidium coli
fecal/oral route, ingestion of the cyst
64
what is the infective stage of Balantidium coli
the cyst stage
65
what is the host for Balantidium coli
humans and other animals
66
what is the disease caused by Balantidium coli
Balantidiasis
67
what is the motility of Entamoeba histolytica
pseudopods
68
what is the mode of transmission for Entamoeba histolytica
fecal/ oral route, ingestion of the cyst
69
what is the infective stage for Entamoeba histolytica
cyst stage
70
what is the host for Entamoeba histolytica
human host
71
what is the disease caused by Entamoeba histolytica
Amebiasis
72
what characters does the Entamoeba histolytica have that separates it from Naegleria fowleri and Acanthamoeba:
it appears with ingested RBC's, the nucleus is to the side, always pink and on a fecal slide
73
what is the motility of Naegleria fowleri
pseudopods
74
what is the mode of transmission for Naegleria fowleri
trophozoite in water, it enters the nose
75
what is the infective stage of Naegleria fowleri
trophozoite
76
what is the host for Naegleria fowleri
human
77
what is the disease caused by Naegleria fowleri
amebic meningoencephalitis ( Brain eating amoeba)
78
what characters does Naegleria fowleri that separates it from Entamoeba histolytica and Acanthamoeba
it has a bulls-eye nucleus and has pseudopods
79
what is the motility of Acanthamoeba
pseudopods
80
what is the mode of transmission of Acanthamoeba
contact with the amoeba in the soil or water
81
what is the infective stage of the Acanthamoeba
the cyst and trophozoite stage
82
what is the host for the Acanthamoeba
human
83
what is the infection stage of Toxoplasma gondi
the oocyst, it is inhaled and attacks the brain tissue of the fetus, it could be found in undercooked meats or contaminated foods
84
what is the intermediate host for Toxoplasma gondi
a rodent, a bird, a human,
85
what is the mode of transmission for Cryptosporidium parvum
fecal/oral route, it is ingested, found in the water at parks, pools and city water supplies
86
what is the infective stage of Cryptosporidium parvum
oocyst is the infective stage, opportunistic in immune compromised people
87
what is the disease caused by Cryptosporidium parvum
Cryptosporidiosis ( must use a water filter to filter these parasites out of the drinking water)
88
what is the motility of Leishmania donovani
flagella are used to move ( no undulating membrane)
89
what is the definitive host for Leishmania donovani
the human | dogs and rodents are the reservoir hosts
90
what disease is caused by Leishmania donovani
Kala azar (visceral Leishmaniasis) cutaneous Leishmaniasis liver and spleen, causes anemia and death
91
what is the motility of Trypanosoma species (brucei or cruzi )
flagella ( has an undulating membrane)
92
what is the motility of Giardia lamblia
flagella (multiple) and has two nuclei that look like its looking at you
93
what is the disease caused by Giardia lamblia
Giardiasis (intestinal duodonalis) intermittent diarrhea for months
94
what is the motility of Balantidium coli
very large, protozoan that moves by cilia
95
what is the infective stage of Balantidium coli
the cyst stage- 40-70um kidney shaped nucleus
96
what is the host for Balantidium coli
humans and other animals( raised pigs)
97
what is the disease caused by Balantidium coli
Balantidiasis ( painful bloody diarrhea, dysentery)
98
what is the infective stage for Entamoeba histolytica
cyst stage, once ingested it comes out of its protective stage and enters the trophozoite stage
99
what is the disease caused by Entamoeba histolytica
Amebiasis (bloody painful diarrhea)
100
what is the motility of Naegleria fowleri
bi-flagellated, pseudopods
101
what is the mode of transmission for Naegleria fowleri
trophozoite in water, it enters the nose, follows the olfactory epithelial tissue and enters the brain
102
what is the infective stage of Naegleria fowleri
bi-flagellated trophozoite
103
what is the mode of transmission of Acanthamoeba
contact with the amoeba in the soil or water ( fresh, swimming pools and hot tubs) homemade saline eye washes
104
what is the host for the Acanthamoeba
human
105
what is the disease caused by Acanthamoeba
Keratitis- eye infection or Amebic encephalitis
106
what is the characteristics of Acanthamoeba that differentiates it from Naegleria fowleri and Entamoeba histolytica
it does not ingest RBC's , is much larger under the microscope
107
what is the most common US parasite
Giardia lamblia

Microbiology lab (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions