T B 2 Flashcards
(15 cards)
What is the most commonly identified cause of bacterial pneumonia in cattle?
A) Mannheimia spp. B) Bordetella spp. C) Histophilus spp. D) Streptococcus spp. E) Mycoplasma spp.
A) Mannheimia spp.
Which one of the following is a risk factor for ehrlichia in feedlot steers?
A) Inadequate water consumption B) High salt intake C) High calcium intake D) Inadequate exercise E) Excessive vitamin A intake
A) Inadequate water consumption
Which one of the following statements is true regarding the “scootch test”?
A) This is a test used to determine the amount of rumen fill in a cow
B) Tricep muscle fasiculation is usually elicited by this test
C) Odontoprisis is a consistent sign of a positive reaction
D) The test is also known as “withers depression”
E) A positive test is a positive response, the cow flinches
D
Lepto in all types of livestock is often associated with:
A) Periodic opthalmia
B) Intravascular coagulopathy
C) Vomiting
D) Diarrhea
E) Rodent contamination of Feedstuffs
E
Sudden death with high morbidity in a group of vaccinated beef calves on a pasture after a new pond was dug would be suggestive of :
A) Polioencephalomalacia
B) Clostridial disease
C) Anthrax
D) Selenium toxicosis
E) Dermatophilosis
C
What is your diagnosis for a dairy cow with the following clinical signs that calved normally yesterday? She was found in sternal recumbency with dilated non-responsive pupils and cool extremities, and was slightly bloated and non-responsive to stimuli
A) Hypomagnesemia
B) Polioencephalomalacia
C) Nervous ketosis
D) Fatty liver syndrome
E) Hypocalcemia
E
Which one of the following drugs is associated with nephron toxicosis in calves in foals.
A) Florfenicol
B) Ceftiofur
C) Enrofloxacin
D) Procaine penicillin G
E) Gentimicin
E
A clinical finding in the cerebrospinal fluid that tends to confirm listeriosis is:
A) Increased numbers of eosinophils
B) Increased protein and mononuclear cells
C) Increased red blood cells
D) Increased alkaline phosphatase levels
E) Increased tubridity
B
What would be the significance of a high lymphocyte count with many cells having mitotic figures in a cow with a high total white blood cell count?
A) Probably indicative of chronic infection
B) Probably indicative of parasitism
C) Probably indicative of bovine leukosis
D) Probably indicative of an acute infection
E) Possibly could be a normal hemogram
C
Which one of the following conditions is the most common cause of lameness in diary herds in North America and may be spreading to the wild elk population in Washington State?
A) Interdigital necrobacillosis (foot rot)
B) Verrucous dermatitis (heel wart)
C) Rusterholz ulcer
D) Interdigital fibroma (corn)
E) Acute laminitis
B
Although there are many stressors that can predispose cattle to shipping fever, the highest stressor in which one of the following?
A) Nutritional change
B) Cold temperature
C) Increased humidity
D) Increased dust in environment
E) Mixing of cattle
E
What is the most likely diagnosis of a recently calved dairy cow with head presssing?
A) Meningitis
B) Tetanus
C) Fatty liver disease
D) Botulism
E) Listeriosis
C
What is the most common organism isolated from cervids that die of pneumonia?
A) Bordetella bronchiseptica
B) Fusobacterium necrophorum
C) Pastuerella multocida
D) Actinomyces pyogenes
E) Mycoplasma bocvis
E
Which type of sound is consistent with atrial fibrillation on thoracic auscultation of a cow with dyspnea, distended jugular veins, and brisket edema?
A) splashing sounds
B) Normal heart sounds of high amplitude projected over the entire thorax
C) Systolic murmur of high intensity
D) Diastolic murmur radiating from the base of the heart
E) Irregular heart sounds with tachycardia
E
Which one of the following bovine diseases would be most characterized by this group of clinical signs - sudden death, ataxia, flaccid paresis, inability to control tongue movements
A) Listeriosis
B ) Bovine spongiform encephalopathy
C) Tetanus
D) Lead Poisoning
E) Bostulism
E