Zoonoses Flashcards

1
Q

Can bats infect humans with Henra?

A

No, need horses as an intermediate host

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

Under what conditions can Borrelia recurrentis be transmitted between humans?

A

Close unhygienic contact

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

What is the natural host of Rickettsia?

A

Arthropod

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

What is the intermediate host for SARS?

A

Palm civets

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

What is the intermediate host for MERS?

A

Camels

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

What can bubonic plague be caused by initially?

A

Flea bite

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

When does bubonic plague become infectious?

A

When it infects the respiratory system

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

What is the natural host of plague?

A

Wild rodents

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

What bacteria causes plague?

A

Yersinia pestis

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

Why can bubonic plague become systemic?

A

It infects lymph nodes

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

How does Y. pestis manipulate the flea (Xenopsylla cheopis)?

A

Forms a blood clot in the GI tract to starve the flea so that it bites more

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

What disease does arenavirus cause?

A

Bolivian Haemorrhagic fever.

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

Why did arenavirus spread to humans from mice?

A

Use of DDT to kill mosquitos kill geckos that ate them, and subsequently cats, who ate geckos. Number of mice increased

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

What percentage of infectious pathogens are zoonotic?

A

61%

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

Which receptor does the dengue virus use?

A

Insulin receptor

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

From which animal did humans develop malaria?

A

Gorillas

17
Q

From which animal did humans develop HIV?

A

Chimpanzees