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| 2518441056 | Mr H who was injured in a car accident is brought into the trauma center at the hospital. he is having diffivulting breathing and chest pains. his tests show arterial blood gas values with a pH of 7.0 pCO2 at 62, and NaHCO3 at 29 | respiratory acidosis | 0 | |
| 2518458475 | which of the following descriptions best fits the acid-base disorder metabolic acidosis? a. consequence of hyperventilation, for example in fever or mental illness b. consequence of prolonged vomiting c. consequence of reduced alveolar ventilation, for example due to COPD d. consequence of tissue hypoxia, for example in ischemic conditions | consequence of prolonged vomiting | 1 | |
| 2518534245 | Which hormone plays a central role in determining the rate of sodium reabsorption and potassium secretion? | aldosterone | 2 | |
| 2518540657 | Hypoventilation leads to ______ | respiratory acidosis | 3 | |
| 2518545224 | When the pH of the extracellular fluid drops, the a. kidneys secrete more hydrogen ions. b. kidneys excrete more bicarbonate ions. c. kidneys secrete fewer bicarbonate ions. d. A and B only e. A and C only | kidneys secrete more hydrogen ions and fewer bicarbonate ions. | 4 | |
| 2518580839 | Renal acid-base control mechanisms are coupled to | sodium ion transport | 5 | |
| 2518592431 | A person with poorly controlled diabetes mellitus will develop a. respiratory acidosis. b. respiratory alkalosis. c. metabolic acidosis. d. metabolic alkalosis. | metabolic acidosis | 6 | |
| 2518614085 | The most important buffer system in the intracellular fluid compartment (ICF) is the a. chloride buffer system. b. sulfate buffer system. c. bicarbonate buffer system. d. phosphate buffer system. | bicabonate | 7 | |
| 2518617895 | What is the most rapid defense against changes in blood pH? | buffering of hydrogen ions | 8 | |
| 2518626020 | The lamina propria and mucous epithelium are components of the | mucosa | 9 | |
| 2518629335 | accessory organ of digestion | liver | 10 | |
| 2518643245 | which salivary gland produces a serous secretion containing large amounts of salivary amylase? a. parotid b. lingual c. submandibular d. sublingual e. mandibular | parotid | 11 | |
| 2518657755 | the ____ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels a. mesenteries b. serosa c. lamina propria d. fibrosa e. adventitia | mesenteries | 12 | |
| 2518662495 | what is the innermost layer of the gastrointestinal tract called? | mucosa | 13 | |
| 2518666821 | the term alkaline reserve is used to describe that ____ buffer system | bicarbonate | 14 | |
| 2518670467 | the activity of the respiratory system can increase pH by | hyperventilation (decrease PCO2) | 15 | |
| 2518677935 | any arterial pH between ____ is considered physiological acidosis | 7.0 and 7.35 | 16 | |
| 2518688794 | The activities of the digestive system are regulated by a. hormones b. the contents of the digestive tract c. parasympathetic and sympathetic neurons d. intrinsic nerve plexuses e. All of the above | All of the above | 17 | |
| 2518699339 | Which of the following is not true of saliva? a. contains IgA antibodies to help fight against infection b. contains enzymes that begin the breakdown of proteins c. moistens food and aids in compacting the bolus d. cleanses the mouth | contains enzymes that begin the breakdown of proteins | 18 | |
| 2518704029 | the capillaries that nourish the epithelium and absorb digested nutrients lie in the ____ a. adventitia b. lamina propria c. serosa d. submucosa | lamina propria | 19 | |
| 2518719635 | the greater omentum is a. the entrance to the stomach b. a sheet of mesentery that attaches to the liver c. a fatty sheet that hangs like an apron over the abdominal viscera d. important in digestion of fats e. attaches to the stomach at the lesser curvature | a fatty sheet that hangs like an apron over the abdominal viscera | 20 | |
| 2518733522 | As the food is broken into smaller pieces in the mouth, it is combined with ___ that facilitates its moments down the esophagus a. gastric juices b. saliva c. pancreatic juices d. amylase e. chyme | saliva | 21 | |
| 2518737310 | the part of a tooth that contains blood vessels and nerves is the a. peridontium b. dentin c. enamel d. cementum e. pulp cavity | pulp cavity | 22 | |
| 2518745686 | waves of muscular contractions that propel the contents of the digestive tract are called | peristalsis | 23 | |
| 2518762209 | How are most nutrients absorbed through the mucosa of the intestinal villa? a. bulk flow b. simple diffusion c. facilitated diffusion d. active transport | active transport | 24 | |
| 2518770493 | the region of the stomach that empties into the duodenum is the ____ a. cardia b. fundus c. pylorus d. body e. antrum | pylorus | 25 | |
| 2518776456 | You have just eaten a meal high in complex carbohydrates. Which enzyme will help digestion? | amylase | 26 | |
| 2518789334 | A drug that blocks the action of carbonic anhydrase in parietal cells would result in: a. decreased production of pepsinogen by chief cells b. increased protein digestion in the stomach c. a lower pH during gastric digestion d. decreased gastrin production e. a higher pH during gastric digestion | a higher pH during gastric digestion | 27 | |
| 2518799035 | Gastric Pits are a. involved in absorption of liquids from the stomach b. hollows where proteins are stored c. acid card in the esophagus d. ridges in the body of the stomach e. openings into gastric glands | openings into gastric glands | 28 | |
| 2518801958 | Essential role of bacteria in large intestine | synthesize vitamin K and B-complexes | 29 | |
| 2518805345 | the stomach is different from other digestive organs in that it | has three layers of muscle in the muscular external | 30 | |
| 2518808356 | the middle segment of the small intestine is the | jejunum | 31 | |
| 2518811276 | blood vessel that supplies liver with oxygenated blood? | hepatic artery | 32 | |
| 2518814194 | Plicae and villi | increase the surface area in the small intestine to increase absorption | 33 | |
| 2518819889 | lack of intrinsic factor can result in | pernicious anemeia | 34 | |
| 2518824103 | Peyer Patches are found in the | ileum | 35 | |
| 2518828645 | paneth cells ____ | secrete enzymes that kill bacteria | 36 |
