Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Parasitology > Ticks (22) > Flashcards

Ticks (22) Flashcards

1
Q

Hard ticks are in the family _____

A

Ixodidae

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

Which stages of ticks are parasitic? What about those that suck blood?

A

all ticks are parasitic in all lifecycle stages

all ticks suck blood

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

What does nidiculous mean?

A

nest-dwelling ticks

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

What does questing mean?

A

ticks that are host-dwelling

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

What plays an important role in infectious disease transmission cycle of ticks?

A

wildlife reservoirs

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

Describe a 1 host tick lifecycle

A

completes lifecycle on one single animal

eggs deposited off the host

molts to each lifestage (instar) while on the host

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

What is the infectious disease transmission for a 1 host tick?

A

transovarial - infectious agent passed to progeny through the ovaries

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

What is the only mechanism for one-host ticks to vector disease?

A

transovarial

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

Describe a 2 host tick lifecycle

A

larvae and nymph feed on same host

adults acquire new host to complete lifecycle

oviposition off the host

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

What is the infectious disease transmission for a 2 host tick lifecycle?

A

interstadial - infectious agent acquired by larvae/nymph from host and passed to adult stage

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

Describe a 3 host tick lifecycle

A

requires 3 different hosts to complete lifecycle

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

What is the infectious disease transmission for a 3 host tick lifecycle?

A

interstadial - infectious agent acquired by larvae or nymph from host and passed to successive stages

larvae to nymph or nymph to adult

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

What are the 3 primary species associated with zoonotic disease?

A

ixodes scapularis

amblyomma americanum

dermacentor varriabilis

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

Which tick species is this? (left)

A

dermacentor

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

What is the name for the American dog tick?

A

d. varriabilis

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

Which dermacentor spp. have a 1 host lifecycle?

A

d. albipictus (deer, elk, moose)
d. nitens

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

What does d. varriabilis cause?

A

Rocky Mountain Spotted Fever

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

What problems can arise from tickborne diseases from dermacentor spp.?

A

tick paralysis - associated with neurotoxic salivary component

rapid ascending paresis

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

Which tick species is this?

A

amblyomma

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

What is another name for the Lonestar Tick?

A

amblyomma americanum

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

Where is the prominent spot located on the Lonestar Tick?

A

dorsal scutum

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

What is associated with the bite of the Lone Star tick?

A

Southern Tick Associated Rash Illness (STARI)

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

What is a tickborne disease associated with ambylomma americanum?

A

ehrlichiosis

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

What is ehrlichiosis? What is the principle vector of it?

A

acute disease of human and animals

gram-negative bacteria invade white blood cells

low white blood cell count or low platelets

amblyomma americanum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which tick species is this? (right)

A

rhipicephalus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the name for the Brown Dog tick?

A

rhipicephalus sanguineus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Rhipicephalus sanguinus, the [Black legged / Brown dog / Lone star / Black dog] tick is a [1/2/3] host lifecycle. It has a [northern/tropical/southern] distribution

A

brown dog tick

3 host lifecycle

tropical

28
Q

How do you tell apart dermacentor and rhipicephalus?

A

dermacentor is more square

rhipicephalus is more hexagonal

29
Q

What tick species is this?

A

haemaphysalis

30
Q

What is another word for the Longhorn tick?

A

haemaphysalis longicornus

31
Q

What is the reproduction mechanism of haemaphysalis longicornus?

A

parthenogenesis primarily

32
Q

Which tick species is reportable to the state vet?

A

haemaphysalis longicornus

**has significant vector potential

33
Q

What can the longhorn tick cause?

A

Severe Fever with Thrombocytopenia Syndrome

34
Q

Severe Fever with Thrombocytopenia Syndrome is associated with the tick species, ________, and is more severe in [dogs/cats/ruminants/horses]

A

haemaphysalis longicornus

cats

35
Q

How do you differentiate rhipicephalus from haemaphysalis?

A

rhipicephalus has more of a protrusion

haemaphysalis more square

36
Q

Which tick species is this?

A

ixodes

37
Q

What is the black legged tick also called?

A

ixodes scapularis

“Lyme disease tick”

38
Q

Ixodes scapularis has a [1/2/3] host lifecycle

A

3

39
Q

Ticks feed as larvae in the summer/fall and infected with ______ and then transmitted to humans the following [spring/summer/fall]

A

Borrelia burgdorferi

spring

40
Q

What is characteristic of the blacklegged deer tick (ixodes scapularis)

A

prominent black/dark scutum

41
Q

In ixodes scapularis, adult ticks mate and feed on _____

A

white-tailed deer

42
Q

What are tickborne diseases associated with ixodes scapularis?

A

Lyme disease

reactive arthritis

erythema migrans, lymphadenitis, flu-like illness

43
Q

What is the Lyme-like disease?

A

Southern Tick-Associated Rash

44
Q

Southern Tick-Associated Rash Illness (i.e. _____) has similar seasonal patterns with ______

A

(amblyomma americanum)

ixodes scapularis - Lyme disease

45
Q

Which tick species is this?

A

rhipicephalus annulatus

46
Q

The Texas cattle tick is also called _____

A

rhipicephalus annulatus

rhipicephalus microplus

47
Q

Rhipicephalus annulatus, or the ______, has a [1/2/3] host lifecycle

A

Texas cattle tick

1

48
Q

Which disease is associated with rhipicephalus annulus? Is it around today?

A

Texas cattle fever

no - eradicated in 1906 by dipping methods

49
Q

Rhipicephalus microplus is associated with what species? What disease?

A

wild ungulates, horses

equine piroplasmosis

50
Q

T/F: All stages occur on the host in rhipiceohalus annulatus

A

TRUE - it is a 1 host lifecycle!

51
Q

How is R. sanguineus differentiated from R. annulatus?

A

rhipicephalus annulatus has “ridged palpi” (top picture)

52
Q

R. [sanguineus/annulatus] is reportable

A

rhipicephalus annulatus

53
Q

List characteristics of soft ticks

A
54
Q

What is another word for the Argas tick? Is it a [hard/soft] tick

A

poultry tick

chickens, turkeys, guinea fowl, pigeons, grouse, etc

soft

55
Q

How do adult argas ticks feed?

A

by the “vampire model” - visit host while sleeping

56
Q

Argas ticks carry _____

A

avian spirochetosis (acute bacterial infection)

57
Q

What is special about argas tick reproduction?

A

females can store sperm for a very long time

parthenogenesis is very rare

58
Q

What is a soft tick of avian, rodent, deer, and cattle?

A

Ornithodoros

59
Q

What is the lifecycle of ornithodoros ticks?

A

larvae do not feed

nymphs require blood meal for each molt - drop off host to molt

adults rarely seen on hosts

60
Q

How many nymph stages does male ornithodoros ticks have? Female?

A

male: 4 nymph stages

female: 5 nymph stages

61
Q

Ornithodoros ticks transmit which disease?

A

borrelosis (tick-borne relapsing fever)

62
Q

What is the name of the spinose ear tick? What species?

A

Otobius

cattle, horses, livestock

63
Q

Otobius have [1/2/3] lifecycles

A

1

64
Q

Which stages of otobius is parasitic?

A

larvae and nymph

not adults

65
Q

What is the name for soft ticks?

A

argasidae

Parasitology (31 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions