7 Flashcards
1
Q
- Which of the following is a characteristic feature of protozoa?
a) Multicellular and endoparasitic
b) Single-celled and endoparasitic
c) Multicellular and ecoparasitic
d) Single-celled and ecoparasitic
A
B
2
Q
- Which group of protozoa causes the disease Giardiasis?
a) Apicomplexans
b) Metamonads
c) Rhizopods
d) Ciliates
A
B
3
Q
- Which of the following protozoa is resistant to chlorine and often contaminates drinking water and food, causing diarrheal disease?
a) Plasmodium falciparum
b) Cryptosporidium spp
c) Toxoplasma gondii
d) Giardia lamblia
A
D
4
Q
- Which protozoan parasite is the primary cause of malaria, especially in sub-Saharan Africa?
a) Plasmodium vivax
b) Plasmodium falciparum
c) Plasmodium ovale
d) Toxoplasma gondii
A
B
5
Q
- Which stage of the Plasmodium parasite is injected into humans by female mosquitoes?
a) Sporozoites
b) Merozoites
c) Gametocytes
d) Trophozoites
A
A
6
Q
- Which of the following is the most severe form of malaria and can lead to complications like cerebral malaria?
a) Uncomplicated malaria
b) Chronic malaria
c) Severe malaria
d) Relapsing malaria
A
C
7
Q
- Toxoplasmosis is caused by which protozoan parasite, primarily affecting immunocompromised individuals?
a) Plasmodium falciparum
b) Cryptosporidium spp
c) Toxoplasma gondii
d) Giardia lamblia
A
C
8
Q
- Which protozoan parasite can be transmitted from cats to humans, potentially causing neurological disorders in a fetus if contracted during pregnancy?
a) Toxoplasma gondii
b) Plasmodium vivax
c) Giardia lamblia
d) Cryptosporidium spp
A
A
9
Q
- Which of the following parasites is most commonly transmitted through contaminated water and can cause watery diarrhea, especially in children and the immunocompromised?
a) Schistosoma spp
b) Cryptosporidium spp
c) Strongyloides stercoralis
d) Ascaris lumbricoides
A
B
10
Q
- Which of the following types of helminths (worms) is classified as a cestode (tapeworm)?
a) Schistosoma spp
b) Taenia solium
c) Ascaris lumbricoides
d) Strongyloides stercoralis
A
B
11
Q
- Taenia solium infections in humans can lead to which severe complication if the eggs are ingested directly?
a) Intestinal obstruction
b) Brain infections
c) Liver failure
d) Respiratory distress
A
B
12
Q
- Schistosoma spp. causes infections that are transmitted through contaminated water, often leading to which of the following?
a) Urinary tract infections
b) Pulmonary infections
c) Raised, itchy rashes and chronic intestinal disease
d) Neurological disorders
A
C
13
Q
- Which helminth parasite can infect humans by penetrating the skin when walking barefoot on contaminated soil?
a) Taenia solium
b) Strongyloides stercoralis
c) Schistosoma spp
d) Ascaris lumbricoides
A
B
14
Q
- Which group of parasites is primarily transmitted through the fecal-oral route and can cause conditions such as gastrointestinal pain, bloating, and diarrhea?
a) Protozoa
b) Helminths
c) Arthropods
d) Both a and b
A
D
15
Q
- Which arthropod parasite causes Myiasis, a condition in which fly larvae infest human tissue?
a) Ticks
b) Lice
c) Fleas
d) Maggots
A
D
16
Q
- Which of the following arthropods is associated with transmitting diseases such as Lyme disease and Rocky Mountain spotted fever?
a) Fleas
b) Ticks
c) Lice
d) Mosquitoes
A
B
17
Q
- Which type of arthropod causes scabies, a condition in which mites burrow into the skin?
a) Lice
b) Fleas
c) Scabies mite
d) Maggots
A
C
18
Q
- Which of the following helminths is commonly associated with roundworm infections, which may result in gastrointestinal symptoms and bloating?
a) Taenia solium
b) Schistosoma spp
c) Ascaris lumbricoides
d) Strongyloides stercoralis
A
C
19
Q
- Which of the following protozoan parasites can cause severe diarrhea and dehydration, particularly in young children and immunocompromised individuals, and is transmitted through contaminated water?
a) Giardia lamblia
b) Toxoplasma gondii
c) Plasmodium falciparum
d) Cryptosporidium spp
A
D
20
Q
- Which of the following is a major risk factor for severe toxoplasmosis in humans?
a) Eating undercooked pork
b) Being immunocompromised, such as in HIV/AIDS
c) Drinking contaminated water
d) Walking barefoot in contaminated soil
A
B
21
Q
A