Certified Neuroscience Registered Nurse (CNRN) Practice Exam

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Prepare for the CNRN Exam. Test your knowledge with our comprehensive multiple-choice questions and detailed explanations. Boost your confidence and improve your chances of a successful exam outcome!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Which two ducts are contained within the duodenum?

Common bile duct and pancreatic duct
Hepatic duct and cystic duct
Aortic duct and vena cava
Renal duct and ureter

The correct answer is: Common bile duct and pancreatic duct

The correct answer identifies the common bile duct and the pancreatic duct as the two ducts contained within the duodenum. In the digestive system, the duodenum is the first part of the small intestine and plays a crucial role in digestion. The common bile duct carries bile from the gallbladder and liver into the duodenum, while the pancreatic duct transports digestive enzymes and bicarbonate from the pancreas into the duodenum. This collaboration is essential for the emulsification of fats, neutralizing gastric acid, and facilitating further digestion of nutrients. The other options do not pertain to the duodenum. The hepatic duct and cystic duct are associated with the liver and gallbladder but do not directly enter the duodenum. Meanwhile, the aortic duct and vena cava relate to the cardiovascular system, and the renal duct and ureter pertain to the urinary system, making them irrelevant to the structure and function of the duodenum. Understanding the specific roles of the common bile duct and pancreatic duct is critical for grasping the anatomy and physiology of the digestive process.