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David Rosenhan sent pseudopatients to a mental hospital, where they pretended to be disturbed. The results of this study led him to conclude that _____ greatly affects mental illness.

To measure tendencies toward depression, an assessment tool asks individuals to record all the times they feel sad. However, individuals report wide variations in the number of sad episodes from day to day. This assessment tool has:

Mr. B.A. Betterbreeder, the manager of a 200-boar Gene Transfer Center that belongs to your best client, has raised concerns about the number of young replacement (6-month old) boars that his employees are tasked with getting trained during the isolation period.  Too many young boars that are not yet trained are coming over to the main GTC from the isolation facility.  He believes the boars are close but not quite ready to work.  Because of high customer demand for the liquid genetics produced in his facility, he really needs the boars to be willing to “jump the dummy” when they come into the main facility.  He wants to know if there is a pharmaceutical solution that will help with his problem.  You tell him to have the trainers inject the boars about 10 minutes prior to the training sessions with 20 mg of:

In 1925 it took an average of 112 days to rear a broiler to a market weight of 2.5 lbs. Now, it takes less than 47 days to rear a broiler to a market weight of 5.8 lbs. This remarkable improvement in live performance is due to:    

You open up a few birds (necropsy) from a flock of adult chickens with increased mortality in Alabama and observe lesions indicative of septicemia. You think:  

Your spouse’s best friend, Ms. Sue U. Soon, has a child who is involved in the show pig circuit with a 5-month old female pig. During the show season, you are attending a birthday party for one of the children in that family. The family friend asks you to take a quick look at the show pigs “as long as you are here anyway”. The pig has exhibited some generalized pruritus and currently has focal erythematous skin papules covering the body. You recommend:

What breeds of chickens were crossed to establish the modern laying hen lines that produce white table eggs?  

Dr. Brandi New received a call this morning from the herd manager of a 2400-sow farm. The farm had 40 aborted litters of mid-to-late gestation since yesterday morning. The farrowing room manager has also reported that a few litters have been farrowed “a couple of days early” with some weak and stillborn pigs. Sows in gestation are off-feed and some appear lethargic with some mild coughing noted.   Which organism do you immediately place at the top of your differential diagnosis list?

Total milk production during lactation in sows is influenced by many factors, including those listed below.  Of those, which would you expect to have the greatest influence?

For Avian influenza virus, a member of the Orthomyxoviridae, indicate INCORRECT statement