Exam 3 Clickers Flashcards
t/f campylobacter, helicobacter, and Lawsonia are gram negative and GI/genital Pathogens
true
Guillain Barre caused by
campylobacter jejuni
most common source of campy jejuni?
a. poultry
b. milk
c. water
a. poultry
major route of infection caused by C. fetus subsp fetus
Ingestion
Main manifestation of infection caused by C. fetus subspecies venerealis is:
a. infertility
b. abortion
c. mastitis
infertility
Bacteria involved in hepatocellular neoplasms in mice
Helicobacter bilis
test used for dx of helicobacter pylori
urease
lesion in ileum of foal in poor condition:
Lawsonia intracellularis
tetanus toxin is a neurotoxin and acts by:
inhibiting GABA neurotransmitters
which of the following is TRUE:
a. tetanus occurs after ingestion of toxins
b. toxoid directly affects muscles
c. toxoid is inactivated TOXIN
d. toxoid is inactivated BACTERIA
TOXOID IS INACTIVATED TOXIN
Main transmission of botulism
ingestion
t/f Clostridium perfringens is neurotoxic, histotoxic, and enterotoxic
TRUE C. PERFRINGENS IS NEURO/HISTO/ENTEROTOXIC
Black Leg caused by
c. chauvoei
black leg in cattle dx?
DFA
Name three enteropathogenic clostridium
c. dificile
c. perfringens
c. colinum
Tyzzers Disease, gram negative clostridium, liver necrosis:
c. piliforme
t/f asymptomatic carriers involved in Brachyspira hyodysenteriae (swine dysentery in young pigs)
true
major virulence factor for Borrelia burgdorferri
antigen variation in outer surface proteins
T/F Mycoplasma is susceptible to beta lactams
FALSE
T/F: Mycoplasma doesn’t have a cell wall/gram staining, and has colonized ciliated epithelium
TRUE
Enzootic pneumonia in swine caused by
Mycoplasma hyopneumoniae
T/F : Enzootic pneumonia in swine causes anemia
FALSE
Name the five reportable mycoplasma
- M. gallisepticum
- M. synoviae
- M. capricolum capripneumoniae
- M. agalactiae
- M. mycoides mycoides
T/F anaplasma marginalae and Mycoplasma hemofelis are BACTERIA which infect RBC
TRUE
T/F Rickettsia is facultative intracelluar
false
Members of Rickettsia generally have affinity to _____
endothelium
T/F: Anaplasma platys affects macrophages
FALSE; PLATELETS
Chlamydia species with broad host range
C. psittaci
Ruminant anaplasmosis is caused by
Anaplasma marginale
Name the Disease:
- Caused by coxelia burnetti
- Zoonotic
- May cause abortion in cattle
Q fever
T/F fungi have nuclei, ribosomes and mitochondria
True
T/F fungi are always multicellular
False
Component of fungal cell membrane targeted by antifungals:
ergosterol
Which is unicellular? Yeast or Mold
YEAST
Mold is Multicellular
T/F Griseofulvin acts on many fungal species
ONLY ON DERMATOPHYTES
T/F Dermatophyte infections are zoonotic
TRUE
Woods lamp fluorescence diagnosis of
M. canis