A&P 2 Lesson 11
STUDY LAB ACTIVITIES IN LESSON 11
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The large intestine functions to: a. digest fat b. absorb water c. store food d. is described by all of these characteristics
Absorb water
An organ the helps break down food but is not part of the tube through which the foodstuffs pass is: a. chemically digesting organ b. accessory digestive organ c. Alimentary canal organ d. diffuse ingestive structure e. organ of mastication
Accessory digestive organ
The oral cavity and its anatomical features are responsible for: a. ingestion of food b. mechanical digestion c. swallowing d. All of the choices are correct
All of the choices are correct
What is the function of the small intestine? a. digests food b. absorbs nutrients c. transports undigested food to the large intestine d. All of the choices are functions
All of the choices are functions
Which of the following is NOT secreted by the stomach to aid in digestion? a. Hydrochloric acid b. Bile c. Regulatory hormones d. Pepsinogen
Bile
The material that leaves the mouth and enters the pharynx is called: a. chyme b. chyle c. bolus d. rugae
Bolus
Which type of gastric gland secretes pepsinogen? a. chief b. mucus c. parietal d. enteroendocrine
Chief
Pepsinogen is produced by ______________ and is activated by _______________. a. chief cells; carbonic anhydrase (CAH) secreted by parietal cells b. chief cells; hydrochloric acid (HCl) secreted by parietal cells c. Parietal cells; hydrochloric acid (HCl) secreted by chief cells d. parietal cells; carbonic anhydrase (CAH) secreted by chief cells e. enteroendocrine cells; carbonic anhydrase (CAH) secreted by parietal cells
Chief cells; hydrochloric acid (HCl) secreted by parietal cells
Pancreatic enzymes are secreted in response to the hormone: a. insulin b. cholecystokinin (CCK) c. secretin d. glucagon e. gastrin
Cholecystokinin (CCK)
Food leaving the stomach (and entering the small intestine) is called: a. bolus b. rugae c. chyme d. peristalsis
Chyme
Bile from the liver and digestive juices from the pancreas enter which section of the small intestine? a. ileum b. Jejunum c. Duodenum d. Cecum
Duodenum
Which is the first portion of the small intestine? a. duodenum b. jejunum c. ileum
Duodenum
From superficial to deep, these are the structures found in a typical tooth. a. cementum, root canal, enamel b. enamel, root canal, dentin c. dentin, enamel, cementum d. enamel, dentin, pulp e. Crown, enamel, dentin
Enamel, dentin, pulp
The _______ regulates digestive tract motility, secretion, and blood flow, and its neurons are found in the: a. autonomic nervous system; serosa b. central nervous system, muscularis externa and muscularis mucosae c. enteric nervous system; submucosa and muscularis externa d. visceral sensory division; muscularis externa and submucosa e. visceral motor division; mucosa and submucosa
Enteric nervous system; submucosa and muscularis externa
The pharynx transports food into the: a. stomach b. esophagus c. layrnx d. gallbladder
Esophagus
(T/F) The pancreas is part of the alimentary canal
False
(T/F) The small intestine begins with the duodenum, which is its longest segment
False
Which of the following is NOT a region of the stomach? a. Fundic region (fundus) b. cardiac region c. hepatic region d. pyloric region (pyloris)
Hepatic region
Which of the following is NOT a region of the stomach? a. fundic region (fundus) b. cardiac region c. hepatic region d. pyloric region (pyloris)
Hepatic region
Which of the following is NOT a part of the large intestine? a. ileum b. cecum c. rectum d. colon
Ileum
________, which is secreted by ________ cells, is necessary for Vitamin B12 absorption. a. Intrinsic factor; parietal b. Bile salts; chief c. Lecithin; hepatic d. Hydrochloric acid; parietal e. Enterokinase; mucous
Intrinsic factor; parietal
Peristalsis: a. is under voluntary control b. involves the opening and closing of the muscular sphincters c. involves the back-and-forth movement for mixing d. is the alternating contraction of muscle layers in the GI tract wall that propels materials through the tract e. All choices are true
Is the alternating contraction of muscle layers in the GI tract wall that propels materials through the tract
What is the major portion of the small intestine? a. jejunum b. ileum c. Duodenum
Jejunum
The functions of HCl (hydrochloric acid) in the stomach include: a. kills bacteria b. breaks down connective tissue of meat c. Activates pepsin from pepsinogen d. All of the choices are correct
Kills bacteria
Which organ is NOT part of the gastrointestinal tract? a. Esophagus b. Large Intestine c. Stomach d. Oral Cavity e. Liver
Liver
The serous membrane that suspends the stomach and intestines from the abdominal wall are called: a. mesenteries b. mucosae c. submucosae d. muscularis mucosae e. muscularis externa
Mesenteries
Which is NOT a function of the digestive system? a. Absorption b. Ingestion c. Secretion d. Micturition e. Elimination
Micturition
Digestion begins in the: a. stomach b. small intestine c. mouth d. esophagus
Mouth
The function of the uvula is to prevent food from entering the: a. larynx b. pharynx c. nasal cavity d. mouth
Nasal cavity
Which region of the pharynx serves only the respiratory system? a. laryngopharynx b. nasopharynx c. oropharynx
Nasopharynx
What type of epithelium lines the majority of the oral cavity? a. Keratinized stratified squamous b. Nonkeratinized stratified squamous c. areolar connective tissue d. simple columnar epithelium e. simple squamous epithelium
Nonkeratinized stratified squamous
Food is digested so that: a. it can be swallowed b. in can be converted to waste c. nutrients are small enough to enter the cell d. For all of these reasons
Nutrients are small enough to enter the cell
The initial site of both mechanical and chemical digestion is the: a. stomach b. small intestine c. oral cavity d. pharynx
Oral cavity
Which bones form the hard palate? a. Palatine bones b. Maxillae and inferior nasal conchae c. Ethmoid and sphenoid bones d. Palatine bones and maxillae e. Maxillae and sphenoid
Palatine bones and maxillae
Hydrochloric acid (HCl) is secreted by __________ cells. a. mucous b. regenerative c. parietal d. chief e. enteroendocrine
Parietal
Which gastric gland cell type secretes HCl (hydrochloric acid) a. chief b. mucus c. parietal d. enteroendocrine
Parietal
Which cell type is responsible for HCl production in the stomach? a. G cells b. Chief cells c. Alpha cells d. Parietal cells
Parietal cells
What mechanical process moves the bolus through the esophagus? a. peristalsis b. swallowing c. segmentation d. mass movement
Peristalsis
The serous membrane of the abdominal cavity is the: a. pericardium b. pleura c. peritoneum d. serosa
Peritoneum
Which organ is not considered to be an accessory digestive organ? a. Tongue b. Teeth c. Pancreas d. Salivary glands e. Pharynx
Pharynx
Which of the following is NOT a function of the digestive system? a. Waste elimination b. Production of ATP c. Mechanical digestion d. Nutrient absorption
Production of ATP
Deep folds in the wall of the stomach called ___________ help it to expand to hold food. a. rugae b. plicae c. sphincter d. gastric pits
Rugae
During digestion, the major site of nutrient absorption is the: a. stomach b. Pancreas c. small intestine d. Large intestine
Small intestine
The swallowing center is located in: a. the mouth b. the oropharynx c. the esophagus d. the medulla oblongata e. the enteric nervous system
The medulla oblongata
Acid reflux into the esophagus ("heartburn") a. pharyngeal constrictors b. the upper esophageal sphincter c. the lower esophageal sphincter d. esophageal glands e. pharyngeal and buccal sphincters
The upper esophageal sphincter
(T/F) Absorption of many nutrients starts in the stomach
True
(T/F) Both chemical and mechanical digestion start in the mouth and continue in the stomach
True
(T/F) Both pancreated juice and bile are secreted into the duodenum
True
(T/F) Most fat is digested by pancreatic lipase
True
(T/F) The esophagus is part of the gastrointestinal tract
True
(T/F) The liver is the body's largest gland
True
An open sore in the stomach wall due mainly to the action of a bacterium, Helicobacter pylori, is: a. pernicious anemia b. heartburn c. hiatal hernia d. ulcer
Ulcer
On average, children have ___________ deciduous teeth, whereas adults have _________ permanent teeth. a. 20; 32 b. 16; 20 c. 28; 20 d. 32; 20 e. 32; 32
20;32