click below
click below
Normal Size Small Size show me how
Bio lab 10
Respiratory & digestive systems
| Question | Answer |
|---|---|
| The thyroid, cricoid, tracheal, & bronchial cartilages are composed of what? | hyaline cartilage |
| The epiglottis is composed of what? | elastic cartilage |
| What is the function of the respiratory tract cartilages? | keeps airways open |
| What covers the surface of the lung? | Visceral pleural |
| What covers the inner surface of the thoracic wall? | parietal pleural |
| The space between the surface of the lung & the thoracic wall is called the what? | pleural cavity |
| The diaphragm is innervated by what nerve? | phrenic nerve |
| The external intercostals increase or decrease thoracic volume? | increase |
| The external intercostals are muscles of inspiration or expiration? | inspiration |
| The abdominal muscles increase or decrease thoracic volume? | decrease |
| the abdominal muscles are muscles of inspiration or expiration? | expiration |
| The diaphragm increases or decreases thoracic volume? | increases |
| The diaphragm is a muscle of inspiration or expiration? | inspiration |
| The pectoral minor increases or decreases thoracic volume? | increases |
| The pectoral minor is a muscle of inspiration or expiration? | inspiration |
| the internal intercostals increase or decrease thoracic volume? | decreases |
| The internal intercostals are muscles of inspiration or expiration? | expiration |
| What structure regulates the movement of a bolus between the esophagus and the stomach? | lower esophageal sphincter |
| What structure regulates the movement of chyme from ileum to duodenum? | pyloric sphincter |
| What structure regulates the movement of chyme from the ileum to the cecum? | ileocecal valve |
| The luminal epithelia of the GI tract is called what? | Mucosa |
| What 2 major layers of smooth muscle are located within the muscularis? | inner circular layer, outer longitudinal layer |
| The mesenteries & omentums are folds of what cavity? | visceral cavity |
| What covers the surface of the abdominal digestive organs? | The visceral peritonium |
| What covers the inner surface of the abdominal wall? | The parietal peritonium |
| The space between the inner abdominal wall & the surface of the abdominal digestive organs is called what? | Peritoneal cavity |
| What is the shortest segment of the small intestine, receives secretions from the pancreas & liver, & protects itself from gastric acid? | duodenum |
| The thin extension of the cecum containing lymphatic tissue is what? | appendix |
| The liver & gallbladder secrete what into the duodenum of the small intestine? | bile |