Digestive System Unit Test Questions And Answers 100% Verified.

The outermost layer of the wall that lines the digestive system - correct answer serosa Propelled movements in a wavelike motion down the tube us known as? - correct answer peristalsis Passageway for food and attaches to the end of the pharynx - correct answer esophagus What structure is the communication center and provides a passageway for air during breathing - correct answer nasopharynx Valve that controls gastric emptying - correct answer pyloric sphincter T or F? The inferior vena cave transports blood from the liver to the heart - correct answer True Which tube carries enzymes to the duodenum of the small intestines? - correct answer Pancreatic duct Which layer consists of two coats of smooth muscle and some nerves - correct answer Muscular layer Which structure is a J-shaped, pouchlike organ that holds a capacity of 1 liter or more? - correct answer Stomach What is the correct order of the structure of the pharynx? - correct answer Nasopharynx, oropharynx, laryngopharynx T or F. The pancreas secretes pancreatic juices - correct answer True Which organ stores bile in between meals, reabsorbs water, and releases bile to the small intestine? - correct answer Gallbladder What is the correct order of the small intestine? - correct answer Duodenum, ileum, and jejunum Which term is used to describe the act or process of swallowing - correct answer deglutition Which is the lower part of the pharynx that leads to the rest of the alimentary canal - correct answer Laryngopharynx Which organ absorbs water and electrolytes from chime? - correct answer Large intestine Continuous tube of the digestive system through which food passes, and from which wastes are eliminated is known as? - correct answer Alimentary canal Which term is used to describe the breakdown of food using chemicals such as enzymes? - correct answer Chemical digestion How many sections is the colon divided into? - correct answer four Which organ moistens food particles, helps bind them, and begins chemical digestion? - correct answer Salivary glands Which term best describes the process of teeth as the chew and grind food particles? - correct answer Mastication The hepatic portal vein does what function? - correct answer Delivers nutrient-laden blood from the digestive tract The function of the epiglottis - correct answer to close the trachea so food doesn't pass through the wrong tube Which organ completes digestion in the chime, absorbs products of digestion, and transports residues to the large intestine? - correct answer Small intestine Which is considered the physical breakdown of food into smaller pieces? - correct answer Mechanical digestion The four layers of the digestive system, starting with the innermost layer - correct answer 1. mucosa 2. sub mucosa 3. muscular layer 4. serosa What does the lower esophageal sphincter do? - correct answer This allows for food to enter the stomach What does the pyloric sphincter do? - correct answer This allows for food to exit the stomach