Ch24-AP2 – Flashcards

Which of following processes is the primary function of the mouth? Ingestion Secretion Mixing and propulsion Absorption None of these choices

Which of the following processes is the primary function of the villi of the small intestine? Ingestion Secretion Mixing and propulsion Absorption None of these choices

Which of the following accessory organs produces a fluid to soften food? Salivary glands Teeth Liver Gallbladder Pharynx

Which of the following accessory organs produces a fluid that functions to emulsify dietary fats? Gallbladder Pharynx Teeth Liver Salivary glands

Which of the following accessory organs stores bile? Pharynx Teeth Gallbladder Salivary glands Liver

Which layer functions by secreting a lubricating fluid? Mucosa Muscularis Submucosa MALT Serosa

Which structure is composed of prominent lymphatic nodules that function in the immune response? Submucosa Mucosa Lamina propria MALT Serosa

Why do emotions such as anger or fear slow digestion? Because they stimulate the somatic nerves that supply the GI tract Because they stimulate the parasympathetic nerves supplying the GI tract They do not affect digestion Because they stimulate the sympathetic nerves that supply the GI tract Because all emotions are controlled by the Vagus nerve

Which portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines? Lesser omentum Mesentery Falciform ligament Mesocolon Greater omentum

How many stages of deglutition are there? 3 8 4 5 2

Which structure of the stomach allows greater distension for food storage? Sphincter Pylorus Rugae Cardia Fundus

Which of the following cells secrete hydrochloric acid? Parietal cells Serosa cells Chyme cells Mucous cells Chief cells

Which of the following pancreatic enzymes digests lipids? Trypsin Elastase Lipase Pepsin All of these choices

Which of the following is NOT a function of the liver? Storage of vitamins Storage of bilirubin Conversion of carbohydrates Phagocytosis Protein metabolism

Which of the following small intestine cells secrete lysozyme? Mucosa cells Paneth cells S cells Goblet cells Absorptive cells

Brunner's glands Secrete an acidic juice Secrete an acidic mucus Secrete an alkaline juice Secrete an alkaline mucus

Which hormone is stimulated by high levels of dietary fat in the small intestine? Amylase Pepsin Secretin Gastrin Cholecystokinin

Which structure regulates the flow of material into the colon? Sigmoid colon Pyloric sphincter Anal canal Ileocecal sphincter Appendix

Which of the following is NOT a primary function of the large intestine? Mechanical digestion Regulation of blood glucose Chemical digestion Feces formation Absorption

Which of the following is the forerunner of the gastrointestinal tract? foregut endoderm primitive gut midgut hindgut

Which of the following is NOT a change in the digestive system associated with aging? Decreased secretory mechanisms Decreased motility of the digestive organs Loss of strength and tone of the muscular tissue Changes in neurosensory feedback regarding enzyme and hormone release All of these are age related changes in the digestive system

Which of the following is a contribution of the digestive system to the muscular system? Small intestine absorbs dietary calcium and phosphorous salts. The liver can convert lactic acid to glucose. Small intestine absorbs vitamin D. Excess dietary calories are stored as triglycerides in adipose cells. The liver synthesizes most plasma proteins.

Which type of hepatitis is spread via fecal contamination of objects such as food, clothing, toys, and eating utensils and is characterized by loss of appetite, malaise, nausea, diarrhea, fever, and chills. Hepatitis C Hepatitis A Hepatitis D Hepatitis B Hepatitis E