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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 |