Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
practice questions
| Question | Answer |
|---|---|
| Organs within the peritoneal membrane, such as the intestines, are considered: intrapleural. intraperitoneal. Interperitoneal. retroperitoneal. | intraperitoneal. |
| What is the main job of the esophagus? propulsion mechanical digestion absorption secretion | propulsion |
| The removal of the gallbladder will affect: carbohydrate digestion. bile storage. motility of the stomach. bile production. | bile storage. |
| Teeth that are specialized for grinding are called? preincisors incisors molars canines | molars |
| Immune system antibodies released in saliva are: secretory iga. salivary bicarbonate antibodies. | secretory iga. |
| Which of the following does NOT Increase surface area in the small intestine? villi microvilli circular folds rugae | rugae |
| Propulsion in the alimentary canal is primarily the result of the two layers of smooth muscle found in the _? mucosa submucosa muscularis externa serosa (adventitia) | muscularis externa |
| Which segment of the small intestine receives chyme from the stomach?ileum duodenum jejunum | duodenum |
| Taking a bite of a cupcake is an example of: propulsion defecation ingestion absorption | ingestion |
| Which of the following is NOT a process occurring in the oral cavity? propulsion chemical digestion segmentation ingestion | propulsion chemical digestion segmentation ingestion |
| Which of the following is an organ of the alimentary canal? esophagus spleen liver pancreas | esophagus |
| Which process is NOT a main function of the stomach? absorption secretion propulsion digestion | absorption |
| The _ is the empty space inside digestive organs. rugae lumen fundus hilum | lumen |
| What is the first process to occur in the digestive system? defecation peristalsis absorption ingestion | ingestion |
| Lipids absorbed by the small intestine are released into lymphatic vessels as:LDLs chylomicrons micelles HDLs | chylomicrons |
| Enzymatic breakdown of large organic polymers into their monomers is called: mechanical digestion chemical digestion absorptive digestion polymerization | chemical digestion |
| Organs of the digestive system release substances such as water, mucus, and enzymes into the alimentary canal, a process called: absorption digestion secretion propulsion | secretion |
| The digestion of which food group may be affected by an inadequate amount of stomach acid? proteins Lipids | proteins |
| Which of the following operates involuntarily and is controlled by the autonomic nervous system? external anal sphincter pyloric sphincter internal anal sphincter ileocecal valve | internal anal sphincter |
| Mechanical digestion by teeth grinding food is called: propulsion mastication defecation deglutition | mastication |
| The wormlike appendage attached to the cecum that houses lymphatic tissue is the Answers: rectum. Pancreas. ascending colon. appendix | appendix |
| Which hormone stimulates the acinar cells of the pancreas to secrete digestive enzymes? glucagon insulin secretin cholecystokinin (CCK) | cholecystokinin (CCK) |
| Which organ functions to absorb significant quantities of water, electrolytes, and vitamins?pancreas large intestine spleen stomach | large intestine |
| After the splenic flexure, the colon becomes the: sigmoid colon. descending colon. ascending colon. Transverse | descending colon. |
| The stage of deglutition where the food bolus is located in the throat is the voluntary phase esophageal phase pharyngeal phase tracheal phase | pharyngeal phase |
| The round ligament represents the: flow of bile to the gallbladder. flow of deoxygenated blood. remnants of the umbilical vein. flow of blood from the intestines. | remnants of the umbilical vein. |
| Which enzyme catalyzes the breakdown of proteins? trypsin lipase maltase | trypsin |
| Enterocytes of the small intestine produce __ that break down oligopeptides and disaccharides into their monomers for absorption. cilia enzymes brush border enzymes mucus lipases | brush border enzymes |
| Which modification of the small intestine creates a brush border appearance upon microscopic examination? plicae circulares circular folds villi microvilli | microvilli |
| Stomach secretions continue as long as food is present in the stomach. This is the ___ of digestion. dietary phase cephalic phase gastric phase intestinal phase | gastric phase |
| Intestinal _are microscopic. finger-like projections in the small intestine that increase surface area and house blood vessels and lacteals for nutrient absorption. circular folds cilia villi taeniae coil | villi |
| The second set of adult teeth are called: adolescent dentition. secondary dentition. primary ossification... primary dentition. | secondary dentition. |
| Chef cells release: mUcUs gastrin. pepsinogen. intrinsic factor. | pepsinogen |
| Which of the following is not an accessory organ of the digestive system? Pancreas large intestine Iiver salivary glands | large intestine |
| Stomach secretions can begin by the sight, smell, or even thought of food. This is __ in digestion cephalic phase gastric phase dietary phase intestinal phase | cephalic phase |
| What region of the stomach does food first enter after its passage through the relaxed gastroesophageal sphincter? body cardia pylorus fundus | cardia |
| The total amount of energy expended by the body to power all of its processes is called: the basal metabollc rate. cellular respiration. homeostasis. the metabolic rate. | the metabolic rate. |
| Which statement is TRUE regarding complete proteins? Complete proteins provide all of the essential amino acids. Complete proteins can only be obtained from animal proteins. Complete proteins lack one or more essential amino acids. | Complete proteins provide all of the essential amino acids. |
| The minimum amount of energy needed to power the body at rest is known as: the basal metabolic rate. minimal metabolic state. the metabolic rate. | the basal metabolic rate. |
| How many net ATP are produced as a result of glycolysis? 8 ATP 4 ATP 12 ATP 2 ATP | 2 ATP |
| Which of the following reactions is driven by glucose catabolism in cells? ATP hydrolysis ATP synthesis ATP oxidation-reduction ATP catabolism | ATP synthesis |
| The process of storing glucose as glycogen is known as: glycolysis,glycogenesis, glycogenolysis, gluconeogenesis | glycogenesis |
| What best describes ATP hydrolysis? exergonic anabolic endergonic oxidative | exergonic |
| What hormone stimulates the appetite? ghrelin leptin Insulin Orexin | ghrelin |
| What part of a triglyceride undergoes B-oxidation? glucose glycerol fatty acids glycogen | fatty acids |
| The breakdown of glycogen into glucose monomers is called: glycogenolysis. glycogenesis. gluconeogenesis. glycolysis. | glycogenolysis |
| What is required for glucose catabolism to proceed beyond glycolysis? oxygen carbon dioxide water heat | oxygen |
| The primary muscle that contracts for inhalation during normal breathing is the? rectus abdominis diaphragm. internal intercostals. external intercostals | diaphragm |
| Primary and secondary bronchi are part of the: larynx. conducting zone. respiratory zone upper respiratory tract | respiratory zone |
| The respiratory structure that produces sound is the: epiglottis. lungs. larynx. carina. | larynx |
| Expiration during normal, quiet breathing is due to. recoll of elastic tissue in the lungs. contraction of the diaphragm contraction of inspiratory muscles contraction of expiratory muscles | recoll of elastic tissue in the lungs. |
| The upper respiratory tract makes up a portion of the: larynx. conducing zone respiratory zone. ventation zone | conducing zone |
| A fully saturated hemoglobin molecule transports: 8 molecules of oxygen. 4 molecules of oxygen. 1 molecule of oxygen. 2 molecules of oxygen. | 4 molecules of oxygen. |
| What is typical of restrictive lung diseases? decreased alveolar surface tension increased vital capacity decreased pulmonary compliance decreased efficiency of expiration | decreased pulmonary compliance |
| Predict what happens to air movement when atmospheric pressure is 760mm Hg and intrapulmonary pressure is 762 mm Hg. no air movement atelectasis exhalation Inhalation | exhalation |
| Bronchodilation may occur in response to: inflammation. The sympathetic nervous system. The parasympathetic nervous system. increased mucus. | The sympathetic nervous system. |
| Eupnea is controlled by the: Answers: respiratory pattern generator (RPG). apneustic center. glossopharyngeal nerve-pneumotaxic center. | respiratory pattern generator (RPG). |
| Gas exchange occurs in all of the following EXCEPT: alveolar ducts. terminal bronchioles. respiratory bronchioles. alveolar sacs. | terminal bronchioles. |
| Each secondary bronchus supplies air to a: lobule of the lung. bronchopulmonary segment lobe of the lung. | lobe of the lung. |
| Which organ's position causes the left lung to be shaped differently from the right lung? Esopnagus Heart Stomach Liver | Heart |
| Structures of the upper respiratory tract are superior to the: larynx. internal naris. tertiary bronchi. | larynx |
| The process of respiration that moves oxygen and carbon dioxide at systemic capillaries is: pulmonary gas exchange. pulmonary ventilation. gas transport. tissue gas exchange. | tissue gas exchange. |
| As blood carbon dioxide levels increase, blood pH? decreases. remains unchanged. increases. increases, then decreases. | decreases |
| Hyperventilation can result in: alkalosis. acidosis. hypoxia. cavitation. | alkalosis |
| Mr. Schmitzer has pulmonary fibrosis in which the elastic tissue of his lungs is replaced with dense irregular collagenous. surfactant production. alveolar surface tension. pulmonary compliance. connective tissue. His condition primarily affects: | pulmonary compliance. |
| The process of respiration that moves air into and out of the lungs is: pulmonary ventilation. pulmonary gas exchange. tissue gas exchange. gas transport. | pulmonary ventilation. |
| What increases air turbulence to extract dust and other debris from air traveling through the nasal cavity? vestibule septal cartilage posterior nares nasal conchae and meatuses | nasal conchae and meatuses |
| The right lung has __ lobes? 3, 2,1,4 | 3 |
| Each of the following factors affects the efficiency of pulmonary gas exchange EXCEPT: diameter of an alveolus. thickness of the respiratory membrane. surface area of the respiratory membrane. partial pressure of carbon dioxide in the blood | diameter of an alveolus. |
| About 20% of carbon dioxide is transported: as carbonic acid. bound to platelets. dissolved in plasma. bound to hemoglobin | bound to hemoglobin |
| Which epithelium forms the alveoli? simple squamous epithelium simple columnar epithellum pseudostratified cillated columnar epithelium stratified squamous epithelium | simple squamous epithelium |
| What type of alveolar cell produces surfactant? type | alveolar cells alveolar macrophages dust cells type Il alveolar cells | type Il alveolar cells |
| The left lung has? 1,2,3,4 | 2 |
| Epithelial cells of the respiratory membrane are: goblet cells. type Il alveolar cells. type i aiveolar cells. | type i aiveolar cells. |
| Pulmonary gas exchange occurs in the: respiratory zone upper respiratory tract conducting zone. Larynx | respiratory zone |
| The volume that remains in the lungs after a forced expiration is the: residual volume. vital capacity. dead space volume. functional residual capacity. | residual volume. |
| The process of respiration that moves oxygen and carbon dioxide via the blood is termed: tissue gas exchange. pulmonary gas exchange. pulmonary ventilation. gas transport. | gas transport. |
| Carbon dioxide and water combine to form: carbaminohemoglobin. nitric acid. carbonic acid. hydrochloric acid. | carbonic acid. |
| Why are the rings of cartilage surrounding the trachea C-shaped?rings of cartilage allow the trachea to expand during inhalation. rings of cartilage close the trachea when not in use. rings of cartilage allow the esophagus to expand during swallowing | The C rings of cartilage allow the esophagus to expand during swallowing. |
Created by:
user-1996379