Chapter 38: Upper Digestive Tract Patton: Anatomy and Physiology Exam|Questions and Answers| 100% Correct

Chapter 38: Upper Digestive Tract Patton: Anatomy and Physiology Exam|Questions and Answers| 100% Correct The walls of the GI tract are composed of ____ layers of tissue. four All of the following are classified as accessory organs of the digestive system except the: mouth Which of the following organs has a mucosa layer composed of stratified squamous epithelium that resists abrasion? esophagus The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the: uvula The type of tissue designed for absorption and secretion found throughout much of the GI tract is _____ epithelium. simple columnar The hard palate consists of portions of: four bones: two maxillae and two palatine An incision into the wall of the GI tract would cut, in order, from superficial to deep: serosa, muscularis, submucosa, mucosa Which of the following organs has a mucosal layer that is composed of columnar epithelium with a brush border of microvilli to enhance absorption? small intestine The more common term for deglutition is: swallowing The extrinsic tongue muscles differ from the intrinsic tongue muscles in that the _____ outside the tongue. extrinsic muscles insert into the tongue but have their origin Approximately how much saliva do the three pairs of compound tubuloalveolar glands (parotids, submandibulars, and sublinguals) secrete each day? 1 liter The numerous small elevations on the surface of the tongue that support taste buds are called: papillae Which of the following papillae of the tongue lack taste buds? filiform The substance that forms the outer covering of the neck and root of a tooth is: cementum Which of the following salivary glands produces only a mucus type of saliva? sublinguals The greatest proportion of the tooth