NAVLE Prep Questions With 100% Correct Answers.

What is the causative agent of fowl cholera? - Pasteurella multocida What clinical signs are associated with hyperkalemic periodic paralysis (HyPP) in horses? - Prolapse 3rd eyelid, muscle fasciculations, episodes lasting 15-90 min. What clinical signs are associated with ryegrass staggers in horses? - Tremors, incoordination, collapse What clinical signs are assoc. with equine degenerative myelopathy (EDM)? - Ataxia in foals 6-8 mos Is epilepsy common in horses? - No, it is poorly documented Is myasthenia gravis common in horses? - No, it is basically a dog disease. A dog is hit by a car: hypotonic forelimbs and spastic paresis in the hindlimbs. All limbs have proprioceptive deficits and sensation loss-signs are worse in the forelimbs. Where is the damaged lesion on spinal cord? - Cervicothoracic C6-T2- may see worse signs in forelimbs than hinds; weak, hypotonic (LMN) forelimbs, and spastic paresis (UMN) hindlimbs Where would a lesion in the spinal cord be located with a presentation of Schiff-Sherrington syndrome? - T3-L3 What is the presentation of Schiff- Sherrington syndrome? - Thoracic limb extensor rigidity, hind limb flaccid paralysis; Lesion caudal to T2; typical to see animal soon (hours) after bad trauma What would you check to localize a T3-L3 lesion? - Cutaneous trunci reflex; lesion is usually 1-2 vertebrae cranial to the line of analgesiaWhat would you expect to see with a lesion in C1-C5? - UMN signs in all 4 limbs, usually worse in hinds What would you expect to see with a lesion in T3-L3? - UMN hind limbs and normal forelimbs Rubiosis iridis is a sign of what process of the eye? - Anterior uveitis What signs are suggestive of anterior uveitis? - 1. Rubiosis iridis 2. Aqueous flare 3. Hyphema 4. Hypopyon 5. Keratic precipitates 6. Decreased intraocular pressure In which two locations are male small ruminants predisposed to urethral obstruction? - 1. sigmoid flexure 2. Urethral process What is the most common skin tumor of cattle? - Papillomas, caused by papillomavirus What production animal species is most susceptible to copper poisoning? - Sheep