parasites Flashcards
1
Q
entry/evasion methods
A
- oral/ingestion
- penetration
- arthropod borne
2
Q
eradication requires more than one of the following
A
- chemoprophylaxis
- immunization
- field control measures
3
Q
2 types of parasites
A
- protozoa
2. helminths
4
Q
disease from helminths is not a consequence of ______
A
parasite replication
5
Q
protozoa disease is caused by _____
A
parasite replication to high numbers
6
Q
types of mastigophora and common characteristic
A
- giardia
- cryptosporidium
- trichomonas
all flagellated
7
Q
types of apicomplexan and common characteristic
A
- plasmodium
- toxoplasma gondii
sporazoa
8
Q
2 types of flatworms
are they segmented or un
A
- cestodes (tapeworms)
- trematodes (flukes)
segmented
9
Q
how does schistosoma spread
A
snails
10
Q
most frequent pathogen infection in US
A
ascaris
11
Q
what does malaria do
A
lysis of RBCs, release of merozoites and other parasitic molecules every 48-72 hrs, creating cytokine storm
travel to liver to multiply and mature
