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A&P Chap 17
| Question | Answer |
|---|---|
| Which are functions of the oral cavity? | chemical digestion, ingestion, mastication |
| The process of breaking down foods, either mechanically or chemically, into forms that cell membranes can absorb is called | digestion |
| The ______ are highly mobile structures that surround the mouth opening. They contain skeletal muscles and sensory receptors useful in judging the temperature and texture of foods. | lips |
| The alimentary canal consists of four layers that are, beginning with the innermost tissues, the ____, submucosa, muscularis externa, and ____. | mucosa, serosa |
| What are functions of motor movements in the alimentary canal? | mix the contents with fluids, move the contents along the tract. |
| Which nervous systems innervate the alimentary tract of the digestive system? | sympathetic division of autonomic nervous system parasympathetic division of autonomic nervous system |
| Which part of the digestive system functions in ingestion, speech, and respiration? | mouth |
| The structures surrounding the mouth opening that contain skeletal muscles and sensory receptors useful in judging the temperature and texture of foods are the _____. | lips |
| What are the two basic types of movement in the alimentary canal? | mixing and propelling |
| Which are functions of the oral cavity? | ingestion chemical digestion, mastication |
| The structures forming the lateral walls of the mouth, consisting of outer layers of skin, pads of subcutaneous fat, muscles associated with expression and chewing, and inner linings of moist, stratified squamous epithelium, are the____ | cheecks |
| The ______ is a thick, muscular organ that occupies the floor of the mouth and nearly fills the oral cavity when the mouth is closed | tongue |
| The motor functions of the alimentary canal are ____ movements that combine food with digestive fluids and ____movements that move materials along the digestive tract. | Blank 1: mixing or segmentation Blank 2: propelling or peristalsis |
| The roof of the mouth, that has a hard and soft component, is called the____ | palate |
| The oral cavity functions in ______. | mastication, speech, and sensory perception |
| The hardest structures in the mouth that are not part of the skeletal system are called | teeth |
| The ______ part of the tongue is freely moveable. | anterior |
| The roof of the mouth consists of a bony anterior portion called the ______ and a muscular posterior portion called the ______. | hard palate; soft palate |
| The alimentary canal of the digestive system is controlled by which nervous system? | sympathetic and parasympathetic nervous systems |
| The substance that functions to moisten the mouth, clean the teeth, inhibit bacterial growth, and aid in swallowing by moistening food is called . | saliva |
| Which part of the digestive system functions in ingestion, speech, and respiration? | mouth |
| Why are teeth not considered to be part of the skeletal system? | Teeth have a different structure than bones. Teeth contain proteins not found in bones. |
| Serous cells in salivary glands secrete a fluid containing an enzyme called salivary ___which aids in digestion of starch and glycogen. Mucous cells secrete a thick liquid called ____which lubricates the food during swallowing. | Blank 1: amylase Blank 2: mucus |
| The large muscular organ that occupies most of the oral cavity proper is called the | tongue |
| Where is the parotid gland located? | in the cheek, just anterior to the ear |
| The roof of the mouth, that has a hard and soft component, is called the | palate |
| When swallowing, a bolus of food moves from the mouth directly into the ____ before reaching the esophagus. | pharynx |
| Enzymes in saliva begin the chemical digestion of ______ in the mouth. | carbohydrates |
| The cavity located posterior to the mouth, extending from the nasal cavity to the esophagus, is the ______. | pharynx |
| Which are functions of saliva? | cleanses mouth and teeth, dissolves molecules so they can be tasted, aids in swallowing |
| Before food enters the esophagus, it passes through the lowermost portion of the pharynx, called the ______. | laryngopharynx |
| Where is the parotid gland located? | in the cheek, just anterior to the ear |
| The three parts of the pharynx are the ___, ____ , and the . | Blank 1: nasopharynx Blank 2: oropharynx Blank 3: laryngopharynx |
| Most of swallowing is an autonomic reflex. What part of swallowing is voluntary? | tongue pushing food into the oropharynx |
| Where is the pharynx located? | posterior to the oral cavity |
| The ____is a straight muscular tube conveying food from pharynx to the stomach. | esophagus |
| Name the J-shaped, pouch-like organ that hangs inferior to the diaphragm in the upper left portion of the abdominal cavity. | stomach |
| The first stage of swallowing is a(n) ____ action involving the tongue moving the bolus into the ___ . | Blank 1: voluntary Blank 2: oropharynx or pharynx |
| The largest segment of the stomach is the . | body |
| The first stage of swallowing involves the tongue moving the bolus into the ______. This process is a(n) ______ action. | oropharynx; voluntary |
| The ___ is a straight muscular tube conveying food from pharynx to the stomach. | esophagus |
| Where is the stomach located? | in the upper left portion of the abdominal cavity |
| What are the three phases of gastric secretion? | cephalic phase, intestinal phase, gastric phase |
| True or false: Most absorption of digestive products occurs in the stomach. | F |
| Tubular glands that open into gastric pits of the fundus and body of the stomach are called ___ glands. | gastric |
| The soupy mixture of semidigested food formed in the stomach is known as | Chyme |
| Secretions essential to stomach function are regulated in three phases: the __ phase, the ____ phase, and the____ phase. | Blank 1: gastric Blank 2: cephalic Blank 3: intestinal |
| Most of swallowing is an autonomic reflex. What part of swallowing is voluntary? | tongue pushing food into the oropharynx |
Created by:
Thuythi15