vet prep Flashcards
most equine uroliths are composed of what substance
calcium carbonate
mean circulating life span of a cat RBC
68days
mean circulating life span of a dog RBC
110days
most common cause of keratoconjunctivitis sicca in dogs
immune mediated adenitis
how many chambers in a snake heart
3 chambers
zoonotic fungal pathogen in pigeon feces
cryptococcus
normally found in the guttural pouch of a healthy horse
Streptococcus equi ssp. zooepidemicus
4 components of teratology of fallot
- overriding aorta
- Right ventricular hypertrophy
- pulmonic stenosis
- ventricular septal defect
leads to hypoxemia causing polycythemia
treatment of choice for Erysipelas in chickens
rapid acting pens
intramuscular sodium penicillin
You are examining a turkey flock that has been experiencing significant losses recently. Birds have been dying suddenly after exhibiting ataxia and weakness. Necropsy reveals diffuse darkening of the skin and enlarged and friable livers and spleens in affected animals. You perform an impression smear of the spleen and identify Gram-positive, slender, pleomorphic rods.
erysipelas
what species does T verrucosum cause ringworm in
cattle
what species does M. naanum cause ringworm in
pigs and llamas
what drug can cause esophageal stricture if it remains in the esophagus for too long
doxycycline
what does castration prevent the risk of in dogs in regards to the prostate
Castration reduces the risk of benign prostatic hyperplasia and prostatitis.
How many injections and at what spacing is PGF2-alpha given to synchronize a dairy cow?
2 injections 11-14 days apart
neonatal rabbits need to nurse how often
1-2 times a day
pigs have prolonged estrus cycles, some gilts seem to be in heat all the time… what is cause
high estrogen … check mycotoxins in feed could be zearalone
2 most common uroliths in a horse
Calcium carbonate and calcium phosphate
what disease??
An adult chicken in a small, back-yard flock has lost weight and is thin and sluggish. The chicken is euthanized and on necropsy, you find multiple solid-to-soft crumbly, gray nodules that range in size from less than 1 millimeter to several centimeters in size deeply embedded and throughout several organs and tissues including the liver, spleen, and intestines.
avian tuberculosis – acid fast staining bact
how long is the interestrus period in cats
1-3 weeks
most common histopathologic finding in
Acute serum hepatitis in horses, also known as Theiler’s Disease
Severe widespread hepatic necrosis
which parrots are sexually dimorphic
Eclectus parrot
how many blood groups do cattle have
11
fescue toxicosis in a pregnant mare
decreased milk prodction
prolonged gestation
ratio of ECF to ICF
1:2
most common intestinal neoplasia in a horse
lymphosarcoma
A 5-year old cat presents to you with an acute presentation of marked upper respiratory signs as well as ulcerative and edematous lesions of the skin on the head and limbs. Which of the following viruses can cause this type of syndrome in cats
calicivirus
etiology of calf diptheria
Fusobacterium necrophorum
What hemagglutinin types of avian influenza virus are reportable to state and federal authorities, as well as to the World Health Organization, and can result in international importation bans on poultry products
H5
H7
most effective ABx for potomac horse fever
tetracycline – its a neorickettsial dz
where is aqueous production in the feline eye
ciliary body
when do cows ovulate
24-30 hours after the onset of estrus
estrus is usually 8-18hours long
at what point is a cows placenta considered retained
12hours
Your client’s turkey developed nasal and ocular discharge, weight loss, inappetence, and then died. You performed a necropsy and found pneumonia, multifocal necrosis in the liver and spleen, and severe pericarditis. Histopathologic findings included many basophilic intracytoplasmic inclusions found in the affected organs. What is the most likely cause of death?
chlamydia psittaci
ferret is intermittently dragging pelvic limbs
insulinoma
treatment of choice for chronic canine KCS
Topical cyclosporine and a topical steroid
in what species do glucocorticoids cause an increase in serum ALP
dogs
which test has the highest negative predictive value for FIP diagnosis
rivaltas test
what antibiotic should you not give guinea pigs
streptomycin
What organ is most affected by pyrrolizidine alkaloids in the horse
liver
differentials for a ping on the left side of a cow
Ruminal tympany and left displaced abomasum
what organization regulates salmon
FDA
what are the 4 components of nephrotic syndrome
proteinuria, hypoproteinemia, hypercholesterolemia, and ascites or edema
what virus causes infectious bovine rhinotracheitis
bovine herpesvirus 1
what is the risk of giving MLV for IBR
abortions at 5-6months gestation
never give to neonatal calves - leads to generalized infection
how many forms of disease exist for IBR
6 forms
the latent infection of bovine herpesvirus 1 if maintained where
ganglia
this disease is also known as red nose
IBR / BHV1
what is the causative agent for infectious pustular vulvovaginitis
bovine herpesvirus 1
infectious bovine rhinotracheitis
dairy cow with vulvar discharge, decreased milk production, excessive tail twitching and frequent urination
infectious pustular vulvovaginitis – BHV1
acute bovine diarrhea is most common in what age range
6months - 24 months
T/F
abortion can occur at any stage with BVD
true
congenital defects from BVD infection occur between what days of gestation
100-150 days
includes hydrocephalus , cerebellar hypoplasia
persistently infected from BVD infection occur between what days of gestation
40-125 days - exposed to NCP biotype
how to diagnose BVD
antigen detection - detect and eliminate carriers
what is aminocaproic acid
anti-fibrinolytic medication listed that may promote hemostasis
What is the underlying cause of postparturient hemoglobinuria?
hypophosphatemia
closure of the eyes is mediated by cranial nerve
VII - facial nerve
opening of the eyes is mediated by cranial nerve
III - oculomotor nerve
most common viral cause of equine abortion
EHV1
vaccination protocol for EHV1
5, 7, 9 months of pregnancy
what is cranial nerve 1
olfactory nerve - sense of smell
what is cranial nerve II
optic - visual from retina to occipital lobe of the brain
what is cranial nerve III
oculomotor
CN IV
trochlear
CN V
trigeminal
CNVI
Abducens - lateral rectus and retractor bulbi
sensation of taste to rostral tongue
facial nerve
VII CN
facial nerve
cranial nerve that provides parasympathetic innervation to the lacrimal glands and some salivary glands
the facial nerve – test with schirmer tear test
CN VIII
vestibulochochlear
Cn IX
glossopharyngeal - motor for swallowing and caudal tongue taste
motor to the tongue
CN XII hypoglossal
treatment for EIPH
lasix – furosemide before racing (4 hours prior)
what nerves run near the guttural pouch
sympathetic trunk
CN VII, IX, X, XII
what vessels run near the guttural pouch
internal and external carotids
maxillary arteries
soft, nonpainful swelling of the throat latch in young foals
guttural pouch tympany - surgically correct
accumulation of exudate in the guttural pouch
GP empyema
what is the most common bacteria leading to guttural pouch empyema
strep zoo
how to treat guttural pouch empyema
aggressive lavage
systemic and local antimicrobials
fungal plaques in the guttural pouch
GP mycosis – aspergillosis – leads to erosion
TX GP mycosis
surgically occlude vessel
most common cause of cutaneous ulcerative granulomas in the horse
habronemiasis (NEMATODE) – summer sores
can TX with ivermectin
intermediate host of habronema
stomoxy calciltrans
musca domesticas
lay L3 of the nematode in moist areas like lips, eyes, wounds
what is the normal activating clotting time
60-90 seconds
hemophilia A
x linked factor deficiency – VIII deficient
ACT and PTT with be elevated
Hemophilia B
factor IX deficiency
PTT and ACT will be elevated
what factors are involved in the common pathway
2, 5, 1, 10
what factors are in the intrinsic pathway
12, 11, 9, 8
most common cause of acute hepatitis and hepatic failure in horses
acute serum hepatitis – associated with the admin of tetanus antitoxin
horse with liver fibrosis, megalocytosis, and bile duct proliferation
pyrrolizidine alkaloid toxicosis
what is the cause of theilers disease in horses
this is also acute serum hepatitis
from administration of the tetanus antitoxin in adult horses
clinical signs of theilers disease
depression anorexia icterus photosensitization hepatoencepthalopathy
most common isolate cultures in neonatal sepsis
e coli
causative agent of EPM
sarcocystis neurona - DH opossum
horse with asymmetric ataxia and muscle atrophy
EPM
treatment for EPM
TMS
ponazuril
nitazoxinade
some horses improve but will never go back to normal
bronchoconstriction and accumulation of mucus with neutrophils in a horse
recurrent airway obstruction – heaves
also called heaves - increased expiratory effort
diagnosing heaves
curshmanns spirals on cytology
BAL fluid has neutrophils
horse >7 in stall – allergens cause
in a healthy horse BAL fluid should consist mostly of
macrophages
rhodococcus equi typically affects what age range
foals between 1-6 months old
drugs of choice for treating R.equi
macrolides – erythromycin
Rifampin
pathogenesis of R.equi
aerosolized in dry and dusty env.
inhaled by foal
invades alveolar MACROPHAGES
produces pyogranulomatous pneumonia and oulmonary abcessation
complications of R.equi
- internal abcessation
- septic arthritis
- osteomyelitis
- non septic joint effusion
typical age range that gets equine strangles
<2-5 years old
drug of choice to treat equine strangles
penicillin + isolation and disinfection protocols