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Test 3 Lungs and Dig
| Question | Answer |
|---|---|
| Surfactant secreted by type (blank) cells reduces (blank) | II; surface tensions |
| Pip refers to pressure at which location | Pleural cavity |
| Which two components of bile assist digestion | bile salts; phospholipids |
| The small intestine predominately performs (blank) for the purpose of mixing food | segmentation |
| salivary glands secrete enzymes that digest carbohydrates | true |
| The majority of sensory input determining respiration rate comes from: | pH-detecting chemosensors in brain stem |
| Gas exchange between blood and body tissues is called | internal respiration |
| which of these is a pro-enzyme precurser | procarboxypeptidase |
| The (blank) phase of regulation of gastric secretions relies completely on the vagus nerve | cephalic |
| Select all the nutrients that are absorbed via secondary active transport coupled with Na+ gradient | galactose glucose amino acids |
| The diaphragm muscle contracts to cause | inspiration |
| At rest, veinous hemoglobin in the systemic circuit is (blank) saturated wth 02. | 75% |
| Which enzyme functions in digestion of fats | lipase |
| The muscularis mucosa is found in the (blank) layer of the alimentary canal | mucosa |
| Air will continue to flow into the lungs as long as intrapulmonary pressure (Ppul) is | negative |
| (blank) is/are absorbed via a coupling with the Na+ gradient | glucose |
| Which is an accessory organ of the digestive system | liver, pancreas as well |
| (blank) cells secrete gastric lipase | Chief |
| Air flows into the lungs as long as | intrapulmonary pressure is negative |
| Deep slow breathing is more efficient than shallow rapid breathing. This is due in part to the fact that (blank) remains the same in either case. | Anatomical dead space |
| (blank) of the stomach secrete hydrochloric acid (HCl) | Parietal Cells |
| Most ulcers are caused by | Helicobacter pylori |
| The muscularis mucosa is found in the (blank) layer of the alimentary canal | mucosa |
| Gas exchange within the lungs is called | external respiration |
| Co2 exits the blood stream at which location | Pulmonary Capillaries |
| (blank) refers to an increase in surface area of food | mechanical breakdown |
| The (blank) phase of regulation of gastric secretions relies completely on the vagus nerve | Cephalic |
| Ventilation - perfusion coupling ensures that | Alveolar ventilation matches blood blow |
| (blank) will decrease the oxygen binding affinity of Hb | Low pH |
| Bile is secreted by (blank) cells | Liver |
| (blank) refers to a change in molecule structures of food | Digestion |
| Lung compliance is (blank) by surfactant. | Improved/ increased |
| The diaphragm muscle contracts to cause: | Inspiration |
| The (blank) layer of the alimentary canal is responsible for the propulsion of food | Muscularis externa |
| (blank) alters food by making pieces smaller; thereby increasing surface area, without altering molecular structures | Mechanical breakdown |
| (blank) circulation refers to the portal system between the gut and the liver | splanchnic |
| Absorption of some nutrients is coupled to a Na+ gradient which is generated by the Na+/K+ ATPase pump. This is an example of | Secondary active transport |
| (blank) in the lungs produce secretions containing surfactant, defensins, and other immune related molecules | Type II alveolar cells |
| Co2 competes with ) O2 for the same binding sites | False |
| (blank) affects teeth directly | Dental caries |
| Pancreatic (blank) cells secrete digestive enzymes into the duodenum | Acinar |
| Which of these enzymes is a pro enzyme (inactive precursor) | Chymotrypsinogen |
| Contraction of a smooth muscle encircling a bronchus is called | bronchospasm |
| During an asthma attack, which of the following are occuring | bronchitis; bronchoconstriction |
| (blank) is caused by an immune response toward gut flora | inflammatory bowel disease |
| (blank) causes gall bladder contraction | Cholecystokinin |
| (blank) cells secrete gastric lipase | Chief |
| (blank) is the enzyme that facilitates the production of H2Co3 within the red blood cells | carbonic anydrase |
| Which of the following is part of the conducting zone of the respiratory system? | Tertiary Bronchus |
| (blank) of the stomach secrete pepsinogen | Chief cells |
| The diaphragm muscle relaxes to cause | expiration |
| (blank) in the lungs produce secretions containing surfactant, defensins, and other immune related molecules | Type II alveolar cells |
| The small intestine predominantly performs (blank) for the purpose of mixing food | segmentation |
| (blank) circulation refers to the portal system between the gut and liver | splanchnic |
| In ventilation perfusion coupling (blank) causes (blank) of arterioles leading to the pulmonary capillary bed. | high oxygen; vasodilation |
| (blank) cells secrete intrinsic factor (IF) | Parietal |
| Increasing resistance will (blank) | decrease air flow |
| Pancreatic enzymes perform their functions primarily in | the small intestine |
| the (blank) produces bile whereas the (blank) stores bile | liver; gallbladder |
| Gas exchange within the lungs is called | external respiration |
| The (blank) layer of the alimentary canal is only present in the paritoneal cavity | Serosa |
| ventilation-perfusion coupling ensures that | alveolar ventilation matches blood flow |
| (blank) describes changing the location of nutrients from the alimantary canal to the blood | Absorption |
| (blank) law describes the inverse relationship between pressure and volume of gasses | Boyles |
| (blank) will decrease oxygen binding affinity of Hb | High Co2 |
| (blank) is caused by allergy to gluten | Celiac disease |
| (blank) is absorbed via coupling with the Na+ gradient | Glucose |
| The respiratory zone begins at the | respiratory bronchioles |
| Which of the following is part of the conducting zone of the respiratory system? | Tertiary bronchus |
| Inflammation of the bronchi is called | bronchitis |
| Brush border enzymes are located on microvilli in the ___________ layer of the alimentary canal. | mucosa |
| ______________ is the enzyme that facilitates the production of H2CO3 within red blood cells. | Carbonic anydrase |
| ______ law describes the partial pressures of gases in a mixture. | Daltons |
| Gastrin secretions are increased in response to: | Increasing pH (less acidic) |
| Elimination (not absorption) is the major function of the: | Large intestine |
| The basic respiration rhythm is set by the ______. | ventral respiratory group |
| Absorption is predominantly a function of the: | small intestine |
| Which enzyme functions in digestion of proteins: | pepsin |
| A collapsed lung results from loss of ______. | Intrapleural pressure (Pip) |
| ______ will decrease oxygen-binding affinity of Hb. | High Co2 |
| Pancreatic ___ cells secrete digestive enzymes into the duodenum. | Acinar |
| Gas exchange within the lungs is called: | external respiration |
| Which of the following is NOT part of the respiratory membrane: | visceral pleural |
| _____ ensures that the lungs never deflate completely. | Intrapleural pressure (PIP) |
| Air will continue to flow out of the lungs as long as intrapulmonary pressure (PPUL) is _____. | positive |
| Emphysema is associated with hypertrophy of: | right side of the heart |
| In which of the following will P[CO2] be highest: | Alveolus or P(PUL) |
| In ventilation-perfusion coupling, ____ causes ____ of arterioles leading to the pulmonary capillary bed. | low oxygen; vasoconstriction |
| ______ will decrease oxygen-binding affinity of Hb. | High CO2 |
| _________ of the stomach secrete gastrin. | enteroendocrine cells (G cells) |
| Which of the following is NOT a role of gut flora (microbiome): | Mechanical breakdown of lipids |
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