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A&P Chp 13
Digestiv System
Question | Answer |
---|---|
What comprises the Digestive tract? also known as the "alimentary canal". | Mouth, esophagus, stomach, small intestine, large intestine and rectum. |
What are the accessory digestive organs? (think of purse, jewelery... a "helper") | Salivary gland, Liver, Gallbladder and Pancreas |
What stage is the tissue of the digestive tract developed and what week? | Gastrulation, at about 4 weeks after conception. |
The intestinal contents of an embryo is called ___________ and what does it consist of? | Meconium... it consists of bile, mucus, and epithelial cells from digestive tract. |
Definition of Buccal or Oral Cavity. | Portion of the oropharnyx associated with the lips and cheek. |
What are the major structures of the Mouth and Pharynx? | lips, teeth, tongue, tonsils, soft and hard palates, uvula, and salivary glands. |
Name and locate three glands inside of the mouth. | 1. Parotid- in front of ears 2. Sublingual- Under the tongue 3. Submandibular- Lower edge of mandible |
What are the four layers of digestive tissue? | 1. Mucosa 2. Submucosa 3. Muscularis 4. Serosa/ adventitia |
Cardiac, Fundic and Pyloric is referring to what? | The Upper(cardiac), Middle(Fundic) and Lower(Pyloric) regions of the stomach. |
What are the three distinct sections of the small intestine? | 1. Duodenum 2. Jejunum 3. Ileum (in that order) |
What is the functions of the Ileocecal Valve? | Provides a barrier between small and large intestine to prevent bacteria from entering into the small. also empties the s. intestine |
________ Cells maintain beneficial microorganisms in the small intestine. | Paneth |
Which section of L. intestine is missing? Ascending colon, Descending colon,Transverse Colon, Sigmoid Colon. | Cecum- the first portion of the L. intestine. |
True or false: The Hepatic Flexure is the last portion of the transverse colon. | False: Hepatic flexure is the last portion of ascending colon. Splenic is last of transverse. |
Describe the structure of the anus. | The anus is an opening surrounded of an inner ring of smooth muscle and an outer sphincter of skeletal muscles deep in the skin of the anus. |
Removal of Gall Bladder directly effects _____. | Bile storage |
True or False: The reason people are intolerant to food is because they are allergic. | False- It is because they cannot digest or absorb the food. |
Exocrine functions of the pancreas involve the production of _______________. | Digestive Enzymes: Salivary Amylase, Protease, Enterokinase. |
The hypothalamus regulates _________ factors, in turn, regulate hunger and thirst. | Preagastric (factors)- conditions that can dramatically affect food intake. |
Name two glandular organs | Pancreas and Liver |
The _______ conects the mouth and the esophagus | Pharynx |
The large intestine is a short, wide tube that absorbs ________ and _______. | Water and Electrolytes |
The endocrine function of the pancreas involves _______ and _________ and regulates ________. | Insulin and Glucagon... Blood Sugar |
The Parasympathetic Nervous system stimulates _________. | Digestion |
Polyps | outgrowths of the mucosa that can develop into cancer. |
Aging of the digestive tract affects the nutrient supply to ______________. | Other Organ Systems |