When the bile can not be properly propelled from the not-mechanically-obstructed gallbladder or can not flow out of the end of the common bile duct properly, there is a state of biliary dyskinesia. So, biliary dyskinesia is a dynamically (functional...not fixed mechanical) obstructive, pain-producing disorder.
Two sections each with 20 questions, 35 minutes for each section. Each quantitative reasoning section (also common called the Math GRE sections) contains a mix of multiple choice, quantitative analysis, and user input questions.
Similar to the first essay question, the second essay of the GRE writing section asks you to read and then critique an argument. You'll have 30 minutes to complete this essay. You'll need to consider the reasoning presented in the argument and then discuss whether you believe the argument is a good one or not.