When a patient has an anastomosis of remaining anatomy during esophageal surgery, the radiation portal edge should extend at least ___ cm beyond the anastomotic site.

Select the strategy(ies) that support the reduction of dose to the small bowel during radiation therapy:

The most common potentially curative surgical procedure for cancers that arise in the tail of the pancreas is:

The recommended CT scan range for treatment planning of the esophagus is from the:

A population geneticist studying bird populations in the Amazon is trying to determine if a locus known to give bright plumage is in Hardy Weinberg Equilibrium.  Below is their observed and expected genotype frequencies. Genotypes Observed Frequencies Expected Frequencies AA (red plumage) 0.42 0.41 Aa (Purple plumage) 0.22 0.27 aa (blue plumage) 0.36 0.32   Based on the observed and expected frequencies, how would you conclude whether the population was in Hardy-Weinberg Equilibrium?

Which of the statements most correctly describes how changes in the parameters of the logistic growth equation impact population growth?

Based on what you have learned about life history strategies, explain why we often see a negative relationship between the number of eggs a female produces and the size of eggs? 

EXTRA CREDIT On which issue are the American public and foreign policy leaders most divided?

Where is most of the power in Congress found?

Whereas once a key set of elites — mostly politicians and media figures — controlled the flow of information, today they exert a much weaker influence on it. The Internet has _________________ the production and distribution of information.