Suppose that producers agree with the government that $8 is too high because of the surplus in the market. According to this new agreement, the new price will be $7, but the government will still buy the entire excess supply to prevent the price from falling below $7.  Compared to the free market, the change in producer surplus from the policy is a gain equal to

Question 20 is based on the market diagram above.

Suppose the market is currently in the unregulated (free market) equilibrium. What is the total surplus in this market?

Norwalk and Hepatitis A are categorized as which type of infectious food contaminant?

You have conducted a rodent study to assess the toxicity of compound X.  For the study, 2 sets of rats were exposed to compound X; Group was adult males (1 year old) and Group 2 was male rat pups (1 week old). The exposure was through a dietary route. Compound X was mixed into the food at 3 different doses and the experiment lasted 1 week. The endpoint measured was lethality. Here are the study results: Dose Adult (lethality) Pup (lethality) Control (none) 0% 0% 1 mg/kg 0% 20% 10 mg/kg 0% 50% 25 mg/kg 10% 100% 50 mg/kg 20% 100% 100 mg/kg 50% 100%   The LOAEL for adults is

The agricultural industry is one of the biggest users of water. Watering crops through traditional methods can be very inefficient due to:

You have conducted a rodent study to assess the toxicity of compound X.  For the study, 2 sets of rats were exposed to compound X; Group 1 was adult males (1 year old) and Group 2 was male rat pups (1 week old). The exposure was through a dietary route. Compound X was mixed into the food at 3 different doses and the experiment lasted 1 week. The endpoint measured was lethality. Here are the study results: Dose Adult (lethality) Pup (lethality) Control (none) 0% 0% 1 mg/kg 0% 20% 10 mg/kg 0% 50% 25 mg/kg 10% 100% 50 mg/kg 20% 100% 100 mg/kg 50% 100%   Based on the LD50s for adults and pups, what can you infer from this data (assuming all aspects of the experiment were performed the same way)?

Please use the space below to answer the following questions and provide feedback on the exam and course thus far so I may adjust accordingly. (Bonus points 2) Did you think the exam was a fair assessment of material covered?  Should the final be in a similar format? What would you like to see more of in the second half of the class?  Have the ITN and assignments 1-3 been appropriately designed to encourage critical thinking and engagement between students in an online setting? If not, what changes would you recommend?

Which pathogen accounts for the largest number of domestically acquired foodborne illnesses between 2000-2008?

According to the WHO EBD study, the current understanding of schistosomiasis transmission indicates that the disease burden is fully attributable to risk factors associated with water, sanitation, and hygiene (Pruss-Ustun et al., 2004). Does this mean, theoretically, that schistosomiasis can be controlled or prevented through environmental management towards the provision of safe water, and improving sanitation and hygiene?