Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Dr. Vince Scialli BSC 1086 REV 12/24/05 EXAM 4~ Study Guide ~ Respiratory & Digestive Systems This guide is intended to provide you with direction into areas of importance. The questions included are the type you will see on your exam. Some questions include answer choices while others are intended for you to figure out. Try and understand why a particular choice is incorrect or why a particular choice is correct. Do not memorize answers since some choices and answer sequence order will be changed on the exam. This guide is intended to complement your lecture attendance, reading and note taking . . . not replace it. 1. Cutting the phrenic nerve will result in? a. air entering the pleural cavity b. paralysis of the diaphragm c. stimulation of the diaphragmatic reflex d. paralysis of the epiglottis 2. Following removal of the larynx, an individual would? a. be unable to speak normally b. would be called a laryngectomy patient c. would have to develop esophageal speech d. would not be able to smell normally 3. Following removal of the larynx, an individual would? a. be unable to cough b. have difficulty swallowing c. have trouble breathing normally d. would be unable to swim 4. Under ordinary circumstances, the inflation reflex is initiated by? a. the inspiration center. b. the apneustic center c. over inflation of the alveoli and bronchioles d. the pneumothorax center e. none of the above 5. The detergent-like substance that keeps the alveoli from collapsing between breaths because it reduces the surface tension of the water film in the alveoli is called? Answer Not Given ~ You should be able to figure it out from the choices given 6. Which one of the following most determines the direction of gas movement? a. solubility of water b. partial pressure gradient c. the temperature d. fluid pressure in the interstitial spaces e. molecular weight and size of the gas molecules 7. When the inspiratory muscles contract? Answer Not Given ~ You should be able to figure it out 8. The nutrient & oxygen blood supply of the lung tissue (not alveoli) is provided by? Answer Not Given ~ You should be able to figure it out from the choices given 9. Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by? Answer Not Given ~ You should be able to figure it out from the choices given 10. Most oxygen carried in the blood is? chemically combined with hemoglobin in the red blood cells 11. Which of the following has the greatest direct stimulating effect on the respiratory center in the brain? carbon dioxide 12. In artificial or mouth-to-mouth respiration, which statement(s) is/are incorrect? a. expansion of a victim’s lungs occurs as a result of blowing in air at lower than atmospheric pressure called positive pressure breathing b. you cannot do artificial respiration if a hole in the chest wall exists c. during inflation of the lungs, the intra-pleural pressure increases d. expiration during this procedure depends on the elasticity of the alveoli e. positive pressure breathing can be accomplished by a respirator 1 13. A person holding its breath will? Answer Not Given ~ You should be able to figure it out from the choices given 14. Which of the following blood components is of no physiological significance, under normal circumstances? a. bicarbonate ions b. carbaminohemoglobin c. nitrogen d. oxygen e. carbon dioxide 15. Damage to which of the following would result in cessation of breathing? Answer Not Given ~ You should be able to figure it out 16. The bulk of carbon dioxide is carried? As Carbonic Acid & then as HCO3- after dissociation on the RBC 17. Boyle’s law states that? Answer Not Given ~ You should know Boyles law 18. Your chest expands as a result of? Answer Not Given ~ You should be able to figure it out from the choices given 19. As you descent from the trachea down the bronchial tree toward the lungs? a. the cartilage rings are decrease in numbers b. the mucosal epithelium thins and changes from pseudostratified columnar to columnar epithelium c. cilia becomes less dense, and less mucous cells appear d. amount of smooth muscle increases resulting in greater bronchoconstriction potential e. all of the above are correct 20. The open (non cartilage) area of the C-shaped cartilage of the trachea? allows for expansion of the esophagus as food passes through 21. Control over the amount of resistance to airflow and distribution of air in the lungs is provided by the? bronchioles 22. The presence of an abnormally low carbon dioxide in the blood is? Answer Not Given ~ You should be able to figure it out from the choices given 23. During expiration, the lungs recoil or contract and the intra-pulmonary pressure? Increases relative to atmospheric pressure 24. During normal inhalation, the intra-pleural pressure is approximately? Answer Not Given ~ You should be able to figure it out from the choices given 25. In tissues at a normal partial pressure of oxygen, blood entering the venous system contains about what percent of it total oxygen content? Answer Not Given ~ You should be able to figure it out from the choices given 26. Approximately 70% of carbon dioxide absorbed by blood from tissue is transported? Answer Not Given ~ You should be able to figure it out from the choices given 27. The apneustic centers of the pons? a. inhibit the pneumotaxic and inspiratory centers b. provide continuous stimulation to the inspiratory center c. monitor blood gas levels in the lungs d. alter chemoreceptor sensitivity in the alveoli e. stimulate the respiratory centers in the medulla 28. All of the following provide chemoreceptor input to the respiratory centers of the medulla oblongata, except the? a. olfactory epithelium b. medullary chemoreceptors c. aortic body d. carotid body e. cerebral spinal fluid 29. Sneezing and coughing are classic examples of what type of reflex or reflexes? Answer Not Given ~ You should be able to figure it out from the choices given 30. Sympathetic stimulation to the smooth muscle tissue layer in the bronchioles causes? Answer Not Given ~ You should be able to figure it out from the choices given 2 31. If the respiration rate is 15 breaths per minute and the tidal volume is 500 ml of air, what is the respiratory minute volume? a. 7.5 liters/min b. 75 liters/min c. 750 liters/min d. 7500 liters/min e. 15 breaths per minute 32. Gas exchange at the respiratory membrane is efficient because? endothelial cells of the capillaries & squamous cells of the alveoli are readily diffusible by oxygen & carbon dioxide 33. The primary physiological adjustment necessary for an athlete to compete at high altitude is? increase the numbers of circulating RBS’s 34. An increase in the partial pressure of carbon dioxide in arterial blood causes chemoreceptors to stimulate the respiratory centers, resulting in? Answer Not Given ~ You should be able to figure it out 35. The largest air passages that engage in gas exchange with blood are? Answer Not Given ~ You should be able to figure it out ~ Know Respiratory Zone exchange anatomy 36. Respiratory arrest would most likely result from a tumor or stroke of the? Where are vital reflexes controlled?? 37. Which of these values would normally be the highest? a. tidal volume b. inspiratory reserve volume c. expiratory reserve volume d. residual volume e. vital capacity 38. Which protects the lungs best from excessive inspiration? a. pleura b. rib cage c. inflation reflex d. haldane effect e. Bohr effect 39. Poor blood circulation causes a reduced oxygenation to the tissue. This effect is called? hypoxia 40. Most of the CO2 that diffuses from the blood into an alveolus comes from? carbonic acid and HCO341. The enzymatic breakdown of large molecules into their basic building blocks is called? Answer Not Given ~ You should be able to figure it out from the choices given 42. The outer membrane layer of the digestive tract that secretes transudate is known as the? Answer Not Given ~ You should be able to figure it out from the choices given 43. The muscularis externa propels materials from one portion of the digestive tract to another by the mechanism of? Answer Not Given ~ You should be able to figure it out from the choices given 44. The activities of the digestive system are regulated by? a. hormonal mechanisms b. neural mechanisms c. local mechanisms d. reflex mechanisms 45. Double sheets of peritoneum that provide support and stability for the organs of the peritoneal cavity are? Answer Not Given ~ You should be able to figure it out from the choices given 46. The peritoneal fold that stabilizes and supports the small intestine is the? Answer Not Given ~ You should be able to figure it out from the choices given 47. Intrinsic factor and hydrochloric acid are secreted by cells in the stomach wall called? parietal cells 3 48. Protein digestion in the stomach results primarily form secretions released by? Chief cells 49. The part of the digestive system that plays the primary role in the digestion and absorption of nutrients is the? Answer Not Given ~ You should be able to figure it out ~ Know the GIT regions 50. The hormone that stimulates the secretion of the stomach and contraction of the stomach wall is? gastrin 51. The essential metabolic or synthetic functions provided by the liver is/are? Answer Not Given ~ You should be able to figure it out ~ Know the functions of the liver 52. Bile released from the gallbladder into the duodenum occurs only under the stimulation of? cholecystokinin 53. The major function(s) of the large intestine is/are? Answer Not Given ~ You should be able to figure it out from the choices given 54. The part of the colon that accepts chime from the small intestine is the? ascending colon 55. The three longitudinal bands of smooth muscle found on the outer surface of the colon are? Answer Not Given ~ You should be able to figure it out from the choices given 56. The major vitamins generated by bacteria in the colon are? a. vitamins A, D, & E b. B complex vitamins c. vitamin K and biotin d. pepsin & pepsinogen e. protease, lipase, amylase 57. The final enzymatic steps in the digestive process are accomplished by? a. brush border enzymes of the microvilli b. enzymes secreted by the stomach c. enzymes secreted by the pancreas d. the action of bile from the gallbladder e. enzymes secreted by the colon 58. If the lingual frenulum is too restrictive, an individual? Answer Not Given ~ You should be able to figure it out ~ Where is the lingual frenulum & what does it do? 59. Increased secretion by all the salivary glands results from? parasympathetic stimulation 60. The production of acid and enzymes by the gastric mucosa is/are controlled and regulated by? a. the central nervous system b. short reflexes c. digestive tract hormones d. autonomic nervous system 61. During the gastric phase of secretion, the pH of the gastric contents? a. decreases continually b. remains the same as the contents become diluted c. increases immediately and remains high d. increases slowly with continuous mixing as the acids become diluted e. self digests the gastric wall of the stomach causing ulcers 62. A drop in pH below 4.5 in the duodenum stimulates the secretion of? a. secretin b. cholecystokinin c. gastrin d. hydrochloric acid 63. The peritoneal cavity? a. is similar to the abdominopelvic cavity b. is filled with digestive organs c. like the pleural cavity and pericardial cavities, forms a space containing serous fluid as a lubricant d. contains the liver and pancreas 4 64. Obstruction of the hepatopancreatic sphincter impairs digestion by reducing the availability of? pancreatic juice and intestinal juice 65. The action of a digestive enzyme is influenced by? a. chemical surroundings b. its specific substrate c. the presence of needed cofactors or coenzymes d. its concentration 66. Carbohydrates are acted on by? Answer Not Given ~ Answer Not Given ~ You should be able to figure it out ~ Know the enzymes 67. The parasympathetic nervous system influences digestion by? a. relaxing smooth muscle b. stimulating peristalsis and secretory activity c. stimulating skeletal muscle that lines the intestinal tract d. inhibiting the secretion of digestive enzymes & motility 68. The digestive juice product containing enzymes capable of digesting all four major foodstuff categories is? a. pancreatic juice b. gastric juice c. salivary juice d. biliary juice e. peritoneal juice 69. The vitamin associated with calcium absorption is? Answer Not Given ~ You should be able to figure it out from the choices given 70. The active form site of production of cholecystokinin, chymotrypsin, and trypsin is? the small intestine 71. Which of the following is not characteristic of the large intestine? a. it is divided into ascending, transverse, and descenting portions b. it contains abundant bacteria, some of which synthesize certain vitamins c. it is the main absorptive site for nutrients d. it absorbs much of the water and salts remaining in wastes e. it is the site where fecal compaction & formation occurs 72. The gallbladder? a. produces bile b. is attached to the pancreas c. stores and concentrates bile d. produces pancreatic enzymes e. produces secretin 73. The sphincter between the stomach and duodenum is? Answer Not Given ~ You should be able to figure it out ~ Know the sphincters 74. A protein molecule ingested in the food will be digested by enzymes secreted by? a. the mouth, stomach, and colon b. the stomach, liver, and small intestine c. the small intestine, mouth, and liver d. the pancreas, small intestine, and stomach 75. A protein molecule ingested in the food must be digested before it can be transported to and utilized by cells because? a. a protein is only useful directly as a protein, and not when broken into amino acids b. a protein has a low pH, and its pH must be increased by gastric secretions c. proteins in the circulating blood produce an adverse osmotic pressure d. a protein is too large a molecule to be absorbed in its complete molecular state e. proteins are not absorbed as component amino acids 76. The products of protein digestion enter the blood stream through cells lining? Answer Not Given ~ You should be able to figure it out ~ What part of the GIT? 77. Before the blood carrying the products of protein, carbohydrate and fat digestion reaches the heart, it first passes through specialized portal capillary networks in? Answer Not Given ~ You should be able to figure it out ~ Where is the portal system? 78. The correct order of the movement of digestive materials through the GIT is? esophagus, stomach, duodenum, jejunum, ileum, cecum, colon, rectum 5 79. The correct order of the movement of digestive materials through or over the sphincters is? Answer Not Given ~ You should be able to figure it out ~ Know the sphincters Part 2: Fill in the blanks 80. ________________________ Name the reflex caused by Gastrin, a hormone secreted in the stomach, that forces food, meal and bacteria into the cecum from the ileum? 81. _________________________ The portion of the intestinal tract responsible for water absorption, absorption of electrolytes and vitamins, and evacuation of food residues? 82. ______________________ First part of the large intestine? 82. ______________________ Middle portion of the large intestine? 84. ______________________ Inflammation of the large intestine? 85. ______________________ Inflammation of the stomach? 86. ______________________ Inflammation of the small intestine? 87. ______________________ Protrusion of a portion of the stomach through the diaphragm? 88. _________________________ Phase of respiration involving movement of air into and out of the lungs? 89. _______________________ Phase of respiration involving exchange of gases between the external environment and the pulmonary capillaries? 90. ________________________ Phase of respiration involving the exchange of gases in systemic capillaries? 91. ________________________ Another name for the pharyngeal tonsils which when infected, causes a blockage of the eustacean or auditory tube? 92. ________________________ What is the primary reason for removal of the palatine tonsils following repeated inflammation? 93. ________________________ Name the anatomical structure that houses the vocal cords (voice box) and is the common site for removal in patients suffering from throat cancer caused by smoking? 94. ________________________ Name the specific anatomical structure that is a common site for lodging of objects inhaled after they pass through the trachea? 95. ________________________ The condition of inflammation of the pleura and pleural cavity of the lung which causes extreme pain or pleuresy during inspiration? 96. ________________________ A “detergent like” lipoprotein secreted by type II cells of alveoli that prevents alveoli from sticking together during expiration? 97. _______________________ A membrane zone in alveoli consisting of alveolar epithelium and pulmonary capillary endothelium separated by a basement membrane, which allows the passage of O2 and CO2? 98. ______________________ Type of pressure of gases inside the alveoli of the lungs that changes with various phases of breathing? 99. ________________________ Type of pressure within the pleural cavity that fluctuates during breathing but is always less than the intrapulmonary pressure? 100. ______________________ A condition where by air enters the pleural cavity caused by an open chest wound causing collapse of a lung? 6 101. ______________________ Another name for collapse of a lung? 102. ______________________ Stimulation of which system causes bronchiole constriction? 103. ______________________ Another name for the ability of the lungs to stretch or expand which is dependent on the elasticity of lung tissue? 104. ______________________ Amount of air inhaled or exhaled with each breath under resting conditions? 105. ______________________ The gas that is the most abundant gas in air? 106. ______________________ Name for un-oxygen bound hemoglobin? 107. ______________________ Name for oxygen bound hemoglobin? 108. ______________________ Under normal conditions, what is the hemoglobin percent saturated with oxygen in the pulmonary arterioles? 109. ______________________ Under normal conditions, what is the hemoglobin percent saturated with oxygen in the pulmonary venuoles? 110. ______________________ In blood leaving tissues at the systemic capillary level, what is the usual hemoglobin saturation percentage? 111. ______________________ In blood entering tissues at the systemic capillary level, what is the usual hemoglobin saturation percentage? 112. ______________________ Name the general condition that occurs when hemoglobin saturation falls below 75% resulting in inadequate amounts of oxygen delivered to tissue? 113. ______________________ Name the specific condition where there is not enough oxygen delivered to tissue as a result of too few red blood cells or not enough hemoglobin? 114. ______________________ Name the specific condition where there is not enough oxygen delivered to tissue as a result of impaired blood circulation? 115. ______________________ The cause of a heart attack where there is not enough oxygen delivered to tissue as a result of impaired blood circulation? 116. ______________________ Most carbon dioxide is transported in the blood from tissue to lungs as part of what ion? 117. ______________________ The respiratory & metabolic condition resulting from free hydrogen ion release into the plasma during carbon dioxide dissociation, lowering blood pH is? 118. ______________________ The depletion of carbon dioxide from the blood by fast, deep breathing, flushing of carbon dioxide from the lungs, resulting in raising the blood pH is known as what metabolic condition? 119. ______________________ In what specific region of the brain is the involuntary medullary center of respiration found? 120. ______________________ In what specific part of a major region of the brain is the voluntary control of breathing found? 121. ______________________ What nerve runs from the pons in the medulla to the diaphragm which stimulates this muscle causing contraction and inspiration? 122. ______________________ What muscles are primarily responsible for expiration? 123.. ______________________ A condition that is a part of chronic obstructive pulmonary disease characterized by permanent enlargement, stretching and destruction of alveoli resulting in active expiration is called? 7 124. ______________________ A condition resulting from excessive mucous production in the lower respiratory passages that causes severe impairment of ventilation and gas exchange, and cyanosis is? 125. ______________________ The involuntary movement of food through the GI tract by alternate waves of contraction and relaxation of smooth muscles is called? 126. ______________________ A specific digestive movement process, due to longitudinal muscle contraction, which move different parts of the intestine wall over food particles is called? 127. ______________________ Another cavity name for the abdominopelvic or abdominal cavity is the? 128. ______________________ Specialized veins that collect nutrients from digestive viscera and carry the nutrients to the liver for processing is called the? 129. ______________________ Name the reflex nerve supply to the gastrointestinal wall that controls motility, segmentation and peristalsis? 130. ______________________ What is the general name of the intrinsic and extrinsic glands of the buccal cavity that produce saliva necessary as the first step in food digestion? 131. ______________________ Name the part of the permanent tooth that is the central area beneath the neck and crown that contains the soft tissue structures i.e., nerves, blood vessels and connective tissue? 132. ______________________ The involuntary phase of swallowing or deglutination that is controlled by the swallowing center in the medulla and pons is called the? 133. ______________________ A bolus of food mass in the stomach converted to a creamy paste is called? 134. ______________________ The part of the stomach that is the terminal area where the stomach empties into the duodenum is called the? 135. ______________________ The gastric secretion reflex that is brain controlled and activated by smell, taste and food thought is called? 136. ______________________ Bicarbonate rich mucous producing glands specific to the duodenum that neutralize acid chyme from the stomach is called? 137. ______________________ The common bile duct and pancreatic duct empty into which part of the small intestine? 138. ______________________ Name the fan shaped double layered extension of the peritoneum to which the jejunum and ileum are attached? 139. ______________________ The part of the liver that consists of hepatic portal veins, hepatic artery and bile duct is called the? 140. ______________________ Name the cells of the liver sinusoids that filter venous blood from the hepatic portal system and remove debris from the blood? 141. ______________________ Name the liver cells lined up in plate format that produce bile, store glucose, use amino acids to make protein, process blood borne nutrients, stores fat soluble vitamins and detoxifies wastes and drugs? 142. ______________________ Name the pigment produced in the liver, stored in the gall bladder, and metabolized to urobilinogen by small intestine bacteria, that give feces its color? 143. ______________________ Name the hormone released by the small intestine that stimulates the release of bile from the gall bladder and the release of pancreatic juices from the pancreas? 8 144. ______________________ Name the substances that are caused by crystallation of cholesterol in the bile that cause extreme pain in the right thoracic area? 145. ______________________ Inflammation of the liver often due to either a bacterial or viral infection? 146. ______________________ Diffuse and progressive chronic inflammation of the liver, commonly resulting from long term alcohol intake? 147. ______________________ A yellowish colored skin or sclera of eyes from increased bile in the blood, caused by a blocked bile duct, liver disease, over production of bile, or excess breakdown of hemoglobin? 148. ______________________ The active form of pancreatic enzyme that digests carbohydrates in the small intestine? 149. ______________________ The active form of pancreatic enzyme that digests fats in the small intestine? 150. ______________________ The active form of pancreatic enzyme that digests proteins in the small intestine? 151. ______________________ Parasympathetic stimulation of this cranial nerve causes the release of pancreatic juices into the small intestine during digestion? 9