17: Helminths Flashcards
1
Q
Defintion of a host?
A
Where sexual stages develop
2
Q
Definition of an intermediate host?
A
Where is develops or multiplies asexually
3
Q
Definition of a paratenic hst?
A
Where it is carried without developing e.g. mouse
4
Q
Definition of a terminal host?
A
Where is can’t develop further
5
Q
What is a direct life cycle?
A
Only one host
6
Q
Where do larval moults usually take place?
A
In the faeces
7
Q
What is the usual infective stage?
A
L3
8
Q
What is a facultative host?
A
Can be direct or indirect life cycle
9
Q
What does anthroponotic mean?
A
Transmitted human to human
10
Q
What is a metazoonosis?
A
Requires vertebrate and invertebrate host?
11
Q
What are the nematodes?
A
Roundworms
12
Q
What are the trematodes?
A
Flatworms
13
Q
What are the cestodes?
A
Tapeworms