Question

question 15
1 pts
clinical signs of _____ in the horse include anxiety, gagging, excessive salivation, and feed and saliva coming from the nostrils.
aspiration
vomition
choke
regurgitation

question 16
1 pts
potomac horse fever (phf) is a serious infection that infects horses in the united states. of the following, which answer is incorrect with regard to phf?
the causative agent in phf is neorickettsia risticii.
fresh water insects are involved in the life cycle of the causative agent.
diagnosis requires culture of the bacteria from a blood sample.
a fresh water snail is involved in the life cycle of the causative agent.

Explanation:

For Question 15, choke in horses is characterized by the symptoms mentioned like anxiety, gagging, excessive salivation and feed - saliva from nostrils. Aspiration is inhaling foreign material into the lungs, vomition is vomiting which is rare in horses, and regurgitation is the return of food from the esophagus or stomach without the forceful expulsion of vomiting.
For Question 16, Neorickettsia risticii is the causative agent of Potomac Horse Fever (PHF), freshwater insects and snails are involved in the life - cycle of the causative agent. Diagnosis of PHF is not typically done by culturing bacteria from a blood sample as the organism is difficult to culture.

Answer:

Question 15: C. choke
Question 16: C. Diagnosis requires culture of the bacteria from a blood sample.