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Digestion Exam
| Question | Answer |
|---|---|
| The mechanical and chemical breakdown of food into forms that can be absorbed by a cell membrane is | Digestion |
| The mouth, pharynx, esophagus, stomach, small intestine and large intestine make up the___ ___ of the digestive system | Alimentary canal |
| The Salivary glands, liver, gallbladder, and pancreas are considered | Accessory organs |
| List the layers of the Alimentary Canal beginning with the outer most layer | Mucosa Submucosa Muscular membrane Serosa |
| The vessels that nourish the structures of the Alimentary canal are found in the | Submucosa |
| The two basic types of movement of the alimentary canal are ______ movements & _______ movements. | Mixing, propelling |
| When the elementary canal is being stimulated by the parasympathetic division, | The activity of the organs of the digestive system is increased Impulses are conducted along the vagus nerve to the esophagus, stomach, pancreas, gallbladder, small intestine, and parts of the large intestine. |
| Which of the following are functions of the mouth? | Speech, perceiving pleasure, altering the size of pieces of food. |
| The tongue is anchored to the floor of the mouth by a fold of membrane called the | Frenulum |
| During swelling, muscles draw the soft palate and uvula upward to | Separate the oral and nasal cavities |
| The third set of molars is sometimes called the | Wisdom tooth |
| The teeth that bite off pieces of food are | Incisors |
| The material that covers the crown of the teeth is | Enamel |
| Which of the following is NOT a function of saliva? | Beginning digestion of fats |
| Stimulation of salivary glands by parasympathetic nerves will _______ the production of watery saliva. | Increase |
| The Salisbury glands that the amylase are the _____ glands | Parotid |
| When food enters the esophagus, it is transported to the stomach by a movement called | Peristalsis |
| A chronic condition that replaces squamous epithelium with columnar epithelium is known as | Barrettes esophagus |
| The area of the stomach that acts as a temporary storage area_______ region | Fundic |
| Forceful vomiting after feeding a newborn is a sign of | Hypertrophic pyloric stenosis |
| The chief cells of the gastric glands secrete | Digestive enzymes |
| The digestive enzyme pepsin secreted by gastric glands, begins the digestion of | Proteins |
| The intrinsic factors secreted by the stomach aids in the absorption of ________ from the small intestine. | Vitamin B12 |
| The release of the hormone somatostatin ____ the release of hydrochloric acid by parietal cells | Decreases |
| The release of Gastrin is stimulated by | The parasympathetic nervous system |
| The presence of food in the small intestine eventually _____ gastric secretions. | Inhibit |
| The semi fluid paste formed in the stomach by mixing food and gastric content is | Chyme |
| The foods that stand in the stomach, the longest are high in | Fat |
| The substances absorbed from the stomach include | Water and alcohol |
| The enterogastric reflex ______ peristalsis of the stomach | Inhibits |
| The vomiting center is located in the | Medulla oblongata |
| Pancreatic enzymes travel along the pancreatic duct and empty into the | Duodenum |
| Which of the following enzymes is present in the secretions of the mouth and pancreas | Amylase |
| Which of the following is secreted by the pancreas in an inactive form and is activated by a duodenal enzyme | Trypsin |
| The secretions of the pancreas are | Alkaline |
| What stimulates the release of Secretin | A decrease in the pH of the Chyme |
| The majority of the liver is located in the ______ quadrant of the abdomen | Upper right |
| The most vital function of the liver are those that are related to metabolism of | Protein |
| Extra iron is stored by the liver in the form of | Ferritin |
| Nutrients are brought to the liver cells via the | Hepatic sinusoids |
| Types of hepatitis that is blood borne | Hepatitis B, C, D |
| The function of the Gallbladder is to ______ bile | Store and concentrate |
| The hepatopancreatic sphincter is located between the | Common bile duct and the duodenum & the pancreatic duct and the duodenum |
| which of the following are/is the functions of bile? | Emulsification of fat globules and absorption of fat soluble vitamins (A,D,E,K) |
| List the (3) portions of the small intestine | Duodenum Jejunum Ileum |
| The ability appearance of the lining of the small intestine is due to the presence of | Vili |
| The intestinal enzyme that breaks down fat is | Lipase |
| Lactose intolerance leads to an inability to digest | Milk and dairy products |
| Which of the following transport mechanisms is/are not used by the small intestine | Filtration |
| Diarrhea results from an intestinal movement called | Peristatic rush |
| Cholesterol is delivered to tissue by ______ cholesterol is removed from tissues and deliver it to the liver by ______ | LDH, HDL |
| The small intestine joins the large intestine at the | Cecum |
| The only significant secretion of the large intestine is | Mucous |
| The only nutrients normally absorbed in a large intestine are | Electrolytes and water |
| Which of the following are synthesized by the bacteria of the colon | Vitamin K and gas |
| The most noticeable signs of aging on digestion appear in the | Small intestine |
Created by:
Brandijay92
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