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resprit &digestive
| Question | Answer |
|---|---|
| Esophagus= | gullet; passageway only, no digestion takes place here |
| LES = | lower esophageal sphincter |
| The stomach holds approx | 1 gallon of food |
| what are the 3 parts of the stomach | fundus, body, pylorus |
| Rugae | folds in the stomach when its empty |
| Chyme | cream like substance that is passing into the small intestine |
| Peristalsis | wave like contraction of smooth muscle |
| 3 parts of the small intestine | duodenum, jejunum, ileum |
| small intestine is the site of | absorption (has many microvilli) |
| parts of the large intestine | cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anus |
| the liver and gallbladder are | accessory glands, no digestive takes place here |
| Liver secretes | bile |
| gallbladder stores | bile |
| Cholecystitis | inflmmation of the gallbladder |
| cholelithiasis | gall stones |
| E-Coli | bacteria in the large instestines, non pathogen |
| E-Coli in urinary tract | is pathogen and causes a UTI |
| Hepatitis A is trasmitted by | the fecal-oral route |
| Hepatitis B & C | blood borne |
| Heat exhaustion | skin is moist and cool to the touch |
| Heat stroke | skin is hot and dry |
| frostbite | ice-crystals form in the vessels |
| hypothermia | decreased body temp due to extreme cold |
| a fever is | controlled hyperthermia |
| anything that cause a fever is known as | pyrogen |
| Digestion begins in | the mouth, with the breakdown of starch |
| Mastication | chewing |
| deglutition | swallowing |
| digestive systems also known as | gastrointestinal (GI) or alimentary canal |
| The respiratory systems carries | oxygen to the cells and carbon dioxide away from the cells |
| nares= | nostrils |
| 3 parts of the pharynx | oropharynx, nasopharynx, laryngopharynx |
| the pharynx is the passageway for | food and air |
| nasopharynx is for | air only |
| the right bronchus is | wider and shorter then the left |
| hilus | where the pulmonary arteries and veins enter and leave the lungs |
| surfactant | a detergent-like substance that allows the lungs to expand |
| atelectasis= | collapsed lung |
| spirometer | instrument that measures respiratory capacity |
| TB | tuberculosis; transmission air borne |
| Alveoli= | air sacs; site of gas exchange; walls are made of simple squamous epithelium |
| trachea | windpipe |
| larynx | voice box |
| pharynx | throat |
| non respiratory air movements | crying, laughing, cough, sneeze, hiccup, yawn |
| heimich maneuver | is used for choking victims |
| glottis | folds over vocal cords |
| 2 purposes of the C rings of the hyaline cartilage is | keep it open and allow for air expansion |
| tidal volume | normal quiet breathing |
| Inspiratory reserve | amount of air taken in |
| expiratory reserve | amount of forcibly exhale |
| residual volume | amount that remains in lungs and can not be forciably exhaled |
| dead volume space | amount that enters conducting zone but never reaches the aveoli |
| functional volume | air that reaches the aveoli and contributes to gas exchange |
| atmospheric pressure | pressure outside the body |
| intrapulmonary pressure | pressure within the aveoli |
| intrapleural pressure | pressure within the pleural space |
| eupnea | normal breathing |
| what physical factors influence respiratory rate and depth | laughing, crying, talking, coughing |
| what Volition factors influence respiratory rate and depth | consciousness control (medulla oblongata, pons) |
| what emotional factors influence respiratory rate and depth | fight or flight |
| what chemical factors influence respiratory rate and depth | amount of carbon dioxide and oxygen |
| what factors can influence respiratory rate and depth | physical, volition, emotional & chemical |
| emphysema = | over expansion of the alveoli |
| what is meant by barrel chest | rounding out of the chest; unable to exhale properly |
| hypoventilation | reduced amount of air entering the alveoli |
| hyperventilation | increased amount of air entering the alveoli |
| Cyanosis | bluish discoloration of the skin and mucus membranes; excessive concentration of reduced hemoglobin in blood |
| Apnea | sensation of breathing |
| hypoxia | reduction of oxygen supply to the tissue |
| hyperpnea | breathing with is deeper and more rapid than expected |
| the normal range of respirations for the adult is | 12 to 18 breaths/minute |
| COPD | chronic obstructive pulmonary disease - includes bronchitis and emphysema |
| surfactant | detergent like substance that allows the lungs to expand |
| tachy- | high |
| brady- | slow |
| CXR | chest x-ray |
| Dyspnea | difficulty breathing |
| paranasal sinuses functions | provide for the voice and lightens the skull |
| The only externally visible part of the respiratory system is the | nose |
| gas exchanges with the blood happen only in the | alveoli |
| All other respiratory structures are known as | conducting zone |
| Gastrointestinal tract is a | continuous tube that begins at the mouth and ends at the anus |
| Gastrointestinal tract is also called | alimentary canal or digestive tract |
| the digestive organs are | mouth, pharynx, esophagus, stomach, small intestine, large intestine & anus |
| two types of digestion are | mechanical - breaks food into smaller pieces chemical - breaks food into smaller molecules |
| food enters the GI tract through the | mouth |
| what prevents food and drink from 'going back up into' your nose | the soft palate and uvula (hanging piece in back of the throat) |
| the tongue does what | occupies the floor of the mouth and mixes food in the mouth |
| Frenulum is a mucus membrane | secures the tongue to the floor of the mouth and limits its posterior movements |
| the breakdown of food begins | before the food has left the mouth |
| esophagus is also known as the | gullet |
| where is the stomach located | on the left side of the abdominal cavity, to the left of the liver, and in front of the spleen |
| The stomach extends from _____ to _____ | esophagus to the small intestine |
| The livers only digestive function is | to secrete bile |
| Liver functions are | storing vitamins A, D, E, K, and B12 It stores 6-12 months of vitamins A & D It stores minerals iron & copper functions in detoxification |
| What is the largest gland in the body | liver |
| where is the liver located | under the diaphragm, more to the right side of the body |
| the liver has _____ lobes | 2 |
| the pancreas extends | across the abdomen from the spleen to the duodenum |
| the gallbladder is | thin-walled green sac that 'snuggles' in a fossa in the inferior surface of the liver |
| the gallbladder stores | bile |
| jaundiced | yellow |
| another name for jaundiced | icterus |
| what are the major functions of the large intestine | to dry out the indigestible food residue by absorbing water and to eliminate these residues from the body as feces |
| what are the functions of microvilli | increases the surface area thus increases the ability to absorb |