Term
| Surfactant facilitates alveolar ventilation by |
|
Definition
| decreasing the surface tension between water molecules on the lining of the alveoli. |
|
|
Term
| During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli will |
|
Definition
| decrease below atmospheric pressure, causing air to move into his lungs. |
|
|
Term
| Physiological dead air space is anatomic dead space plus |
|
Definition
| the volume of any alveoli where gas exchange is diminished. |
|
|
Term
| As the result of an asthmatic attack, |
|
Definition
| ventilation is inadequate to oxygenate blood. |
|
|
Term
| During exercise, the oxygen-hemoglobin dissociation curve |
|
Definition
|
|
Term
| Mr. Jones has a blood pH of 7.00 and a temperature of 100.5 F. His oxygen-hemoglobin dissociation curve would |
|
Definition
| shift to the right, causing more oxygen to be released to his cells. |
|
|
Term
| Rhythmicity of breathing involves |
|
Definition
| the pre-Botzinger complex of the ventral respiratory group. |
|
|
Term
| Which of the following is NOT a type of propulsion in the digestive tract? |
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Definition
|
|
Term
| In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the |
|
Definition
|
|
Term
|
Definition
| controls movement and secretion of the digestive tract. |
|
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Term
| Beginning at the lumen, the sequence of layers of the digestive tract wall is |
|
Definition
| mucosa, submucosa, muscularis, serosa |
|
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Term
| Which of the following attaches the liver to the anterior abdominal wall? |
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Definition
|
|
Term
|
Definition
| is packaged in zymogen granules. |
|
|
Term
| The gastric phase of gastric secretion |
|
Definition
| leads to the greatest volume of gastric secretion. |
|
|
Term
| Which of the following would stimulate gastric secretion? |
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Definition
|
|
Term
| Fatty acids and certain lipids in the duodenum initiate the release of |
|
Definition
|
|
Term
| Enzymes secreted by the small intestine include |
|
Definition
|
|
Term
| What is the purpose of segmental contractions of the small intestine? |
|
Definition
| mixing of intestinal contents |
|
|
Term
| Which of the following enzymes is found in inactive form in pancreatic juice? |
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Definition
|
|
Term
| A proteolytic enzyme secreted by the pancreas is |
|
Definition
|
|
Term
|
Definition
| are synthesized in intestinal epithelial cells. |
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