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OSCEs > export_final exam dx path parasit > Flashcards

export_final exam dx path parasit Flashcards

1
Q

Ixodes scap is the ____ tick

A

deer

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2
Q

borrelia causes clinically:

A

shifting lameness

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3
Q

if see Ixodes on dog- how know if risk of lymes?

A

if not engorged- less risk b/c has to be attached and eating for 24-48h

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4
Q

first check____before sending dog home with Ixodes and tell owners of dog with Ixodes tick to:

A

Check UPCR- only type of lyme that will kill dog, if normal send home

-watch for signs in 2-5month of shifting lameness (only 4% cases that seroconvert show signs)

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5
Q

t/f- only treat lyme dz if dog clinical

A

true

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6
Q

if dog is clinical- Rx

A

Rx: doxy for 1month

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7
Q

4Dx detects Ab or Ag- what if +

A

Ab- if +, retest in 2months

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8
Q

only ELISA test that looks for Ag

A

heartworm

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9
Q

screening test and Rx for Anaplasmosis and Borrelia

A

4DX, Doxycycline

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10
Q

which is tick that can establish indoors?

A

Riphicephalus sanguinus b/c all life cycle stages can feed on dogs

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11
Q

Name, transmits

A

Rhipicephalus sanguinus- “brown dog tick”

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12
Q

Riphicephalus sanguinus transmits:

A
  1. Babesia canis/piroplasmosis
  2. Ehrlicia canis/ monocytosis
  3. Anaplasma platys

“Brown BEA”

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13
Q

Babesia- signs and first dx test

A

lethargy, anemia, pyrexia, hemoglobinuria (*)

Dx: blood smear first!

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14
Q

tx for Babesiosis:

A

imidocarb

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15
Q

Erhlicia common where and dx

A

SE- 4DX

Rx- doxy

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16
Q

which is the tick bourne dz that causes neuro signs

A

Ehrlichia canis

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17
Q

last thing included in 4DX

A

Anaplasma platys/ thrombocytic anaplasmosis

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18
Q

What are the 4 organisms identified by the IDEXX 4Dx test? “BEAD”

A

Borrelia

Ehrilichia canis
Anaplasma Phagocytophilium
Dirofilaria immitis

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19
Q

name and transmits

A

Dermacentor andersoni- Rocky Mnt Spotted Fever (ricketsia)

& Fransiella tulerensis

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20
Q

Dermacentor variablis = “”

A

American dog tick

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21
Q

American dog tick can transmit: (3)

A
  1. rickettisia
  2. tulerensia
  3. cytoxoon felis
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22
Q

2 ddx for sudden death in cats:

A

heart worm

cytauxoon felis

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23
Q

name, transmits

A

Amblyoma americanum

  1. Erhlichia ewigi
  2. Tularensia
  3. Cytauxoon felis
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24
Q

very sick cat in Southern US

A

cytauzoon felis- blood smear

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25
Q

Ambylomma maculatum: causes/transmits what?

A

causes tick paralysis

transmits Hepatozoon americanum

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26
Q

how do dogs get infected with hepatozoonosis?

A

dog eats tick (only one that the tick does not transmit)

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27
Q

hepatozoonosis causes what signs in young dogs

A

very painful, reluctant to stand b/c of periosteal inflammation

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28
Q

Toxocara canis Routes of infestation:

A
  • Direct Ingestion
  • Trans-placental
  • Transmammary
  • Ingestion of a Paratenic Host
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29
Q

primary infection in puppies of T. canis

A

transplacental

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30
Q

puppies with transplacental T. canis will shed by

A

3wks age- recommend deworming at 2wks

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31
Q

Tx options for Toxocara

A
  1. ML- milbemycin (can give at 2wks)
  2. Fenbendazole(3d then 3d, 2wks later)
  3. Pyrantel (x2 doses)
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32
Q

when are eggs infective with Toxocara?

A

in envir after 2-4wks

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33
Q

pile of dead puppies- dz, rx

A

hookworm

-fenbendazole for all puppies

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34
Q

hookworms cause anemia b/c feeding where?

A

SI

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35
Q

cat-

A

Dipylidium caninum- flea tapeworm

36
Q

how tx flea tapeworm infection (*)

A

praziquantel BUT need 2 doses (2-3wk apart)b/c of risk of reinfection dt fleas, despite praziq being adulticide + advantage

37
Q

fleas transmit:

A
  1. Dipylidium caninum
  2. Dipetylonema
  3. Hemobartonella
  4. Bartonella henselae
  5. Ricketssia felis
38
Q

Preventative flea products

A
  • lufenuron
  • methoprene
  • spinosad* (adulticide too)
39
Q

Flea adulticides

A
  1. nitanpyran- Capstar
  2. imidicloprid- Advantage
  3. spinosad-Comfortis *both adults and immatures

“Nit Im Spin”

40
Q

2 possibilities

A

taenia or echinoccus

41
Q

only drug type that’s adulticidal?

A

cestode/tape worm infections

42
Q

only thing to tx taenia or echinoccocus

A

Praziquantel

43
Q

if you see coccidia or giardia on fecal float- treat?

A

only if clinically diseased

44
Q

2 coccidiocides=

A

sulfas

amprolium

45
Q

2 eggs in urine?

A
  • capillaria

- giant kid worm (dioctiphyum renale)

46
Q

treatment of D. renale?

A

only surgical

47
Q

generalized itchy dog ddx:

A
  1. demodex
  2. sarcoptes
  3. fleas
  4. lice
48
Q

if demodex- diagnose how

A

deep skin scrape at edge of lesion OR trichogram

49
Q

treatment of choice for demodex?

A

amitraz- only drug licenced for use

50
Q

which choice commonly used to treat demodex:

A

ivermectin

51
Q

spp and diagnosed how

A

Cheyetiella- scotch tape

52
Q

is cheyleetiella zoonotic?

A

YES!

53
Q

“thumb print” mite

A

Notoedres felis- in cats and zoonotic!

54
Q

most common flea on cats AND dogs

A

Ctenocephalides felis

55
Q

larvae in poop are only from parasites who live where

A

in lungs

56
Q

cat 3 lung worm-

A

paragonimuns

aelurostrongylus

capillarius

57
Q

test to request for larvae?

A

baerman

58
Q

If see eosinophils on BAL- how many tests do you request?*

A

2- Baerman and fecal float

59
Q

cat with cystic structures in lungs=

A

paragonimus- via eating cray fish

60
Q

in cat

A

Paragonimus- lung fluke

61
Q

toxocara canis and felis in humans:

A

VLM and OLM

62
Q

Cutaneous larval migrans-

A

hookworms

63
Q

cause of neurolarval migrans-

A

Baylisascaris

64
Q

routes of infection of toxocara felis

A

3- transmam, ingest of eggs, ingestion of PH

no transplacental

65
Q

http://classconnection.s3.amazonaws.com/122/flashcards/2930122/jpg/taenia_tape_worm-1424871EA6863F6DFF4.jpg

A

Taenia tape worm- square segments (cat eats rodents)

66
Q

http://classconnection.s3.amazonaws.com/122/flashcards/2930122/jpg/dipylidium_tape_worm-14248726F0B1D7D6481.jpg

A

Dipylidium tape worm- round sections

cat eats flea

67
Q

drug of choice for giardia:

A

fenbendazole

metranidazole

68
Q

wet mount of cat

A

Tritrichomonas fetus

69
Q

drug to tx tritrich?

A

no- Ronitozole helps control clinical infection but won’t get rid of it- no other drugs work

70
Q

cuterebra in cats vs dogs

A

migrates to CNS

71
Q

pulmonary artery- worm=

A

heart worm- Dirofilarius immitus

72
Q

when need preventative for puppies and heartworm in yr round areas?

A

by 4-5wks so vaccinate by 10wks (b/c 6wk residual effect of drugs)

73
Q

what 2 ML are safe for heartworm + dogs and which can kill them?

A

Revolution (selemectin)

Adv. multi (moxidectin)

Milbemycin- KILL “Mil will Kill”- (Interceptor)

74
Q

which lifecyle stage are all hrt worm preventatives licenced for

A

L3

75
Q

if Snap test + for heart worm- do what?

A
  • retest SNAP test within few days

- if weak + then do a Knotts microfilaria test BUT 1/4 + dogs don’t have + microfilariae

76
Q

what do you do if dog is clinically ok and have a neg knotts test

A

suggest retesting in 6months- have on preventative safe for + dogs (Revolution or Adv. Multi)

77
Q

heart worm in cats rx?

A

symptomatically or surgical

78
Q

is heartworm zoonotic?

A

yes

79
Q

Dirofilarius immitus larvae looks like-

A

anterior end tapers, other doesn’t

80
Q

foot lesions on feet- where socks stop

A

flea bite

81
Q

skin rash- 2 causes and Rx

A

sarcoptes, chyletiella

82
Q

infection in late summer, cats with neuro signs

A

cuterebra or heart worm

83
Q

Dx and Rx for cuterebra

A

response to tx: ivermect + pred

84
Q

if tx giardia with fenbend or metro and still infected with diarhhea, do what

A

bathe on first adn last day so not reinfected to remove cysts

85
Q

if kid eats giardia poop, will get sick?

A

not nec- only 2/4 zoonotic

86
Q

deworming puppies: 2 NMA drugs

A
  1. pyrantel- R, H (on food)

2. fenbend-R, H, Taenia daily for 3 days, then repeat 2-3wks later

OSCEs (10 decks)

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