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.
About GRE Test: The GRE revised General Test, introduced in August 2011, has three sections: Verbal Reasoning; Quantitative Reasoning and Analytical Writing. Calculators are allowed. Total test time is 3-hours, not including the research section.